Alfred L C Mills1

M, #40941, b. 1904
Pedigree
Father*Arthur J C Mills1 d. 1916
Mother*Alma Alice May Turley1 b. 1885, d. 2 Jul 1952
Last Edited21 Aug 2017
Birth*Alfred L C Mills was born in 1904 at Broken Hill, New South Wales; reg: 10716/1904.1 
He was the son of Arthur J C Mills and Alma Alice May Turley.1 
Marriage*Alfred L C Mills married Olive M Roberts in 1924 at Broken Hill, New South Wales; reg: 7390/1924.1 

Family

Olive M Roberts
ChartsTamar Bradley Line (Turley)
Marianne Mortimer Line (Bradley/Moore)
Relationships2nd cousin 2 times removed of Neil James Bradley
1st cousin 1 time removed of Desmond Barry Tatchell
2nd cousin of William Hugh* Moore
2nd cousin 2 times removed of Elaine Margaret Ainsworth

Citations

  1. [S81] NSW BDMs Index, online http://www.bdm.nsw.gov.au/familyHistory/…

Arthur J C Mills1

M, #40939, d. 1916
Pedigree
Last Edited15 Jul 2017
Marriage*Arthur J C Mills married Alma Alice May Turley, daughter of Peter Turley and Tamar Bradley, in 1901 at Broken Hill, New South Wales; reg: 6299/1901.1 
Death*Arthur J C Mills died in 1916 at Manly, New South Wales.1 

Family

Alma Alice May Turley b. 1885, d. 2 Jul 1952
Children
ChartsThe Early Bradley Line
Tamar Bradley Line (Turley)
John Mortimer Family (5 Gens)
Marianne Mortimer Line (Bradley/Moore)

Citations

  1. [S518] Elaine Green,Australind, WA.
  2. [S81] NSW BDMs Index, online http://www.bdm.nsw.gov.au/familyHistory/…

Cyril L Mills1

M, #40943, b. 1907
Pedigree
Father*Arthur J C Mills1 d. 1916
Mother*Alma Alice May Turley1 b. 1885, d. 2 Jul 1952
Last Edited4 Oct 2018
Birth*Cyril L Mills was born in 1907 at Broken Hill, New South Wales; reg: 11602/1907.1 
He was the son of Arthur J C Mills and Alma Alice May Turley.1 
ChartsTamar Bradley Line (Turley)
Marianne Mortimer Line (Bradley/Moore)
Relationships2nd cousin 2 times removed of Neil James Bradley
1st cousin 1 time removed of Desmond Barry Tatchell
2nd cousin of William Hugh* Moore
2nd cousin 2 times removed of Elaine Margaret Ainsworth

Citations

  1. [S81] NSW BDMs Index, online http://www.bdm.nsw.gov.au/familyHistory/…

Eunice Gwenda Mills1

F, #25950, b. 23 October 1916
Pedigree
Father*George William Mills1 b. c 1889, d. 13 Aug 1943
Mother*Essie Gwendaline Ainsworth1 b. 1891, d. 27 Sep 1963
Last Edited25 Sep 2017
Birth*Eunice Gwenda Mills was born on 23 October 1916 at Rathscar West, Victoria; reg: 26226/1916.1,2 
She was the daughter of George William Mills and Essie Gwendaline Ainsworth.1 
Marriage*Eunice Gwenda Mills married Roderick Ross in 1939 at Victoria; reg: 7713/1939.3 

Family

Roderick Ross b. 19 Oct 1917
ChartsRosina Bradley Line (Ainsworth)
Marianne Mortimer Line (Bradley/Moore)
Relationships3rd cousin 1 time removed of Neil James Bradley
3rd cousin of Desmond Barry Tatchell
2nd cousin 1 time removed of William Hugh* Moore
2nd cousin 1 time removed of Elaine Margaret Ainsworth

Citations

  1. [S214] BDM, Vic Index 1914-1920.
  2. [S389] Trove, online trove.nla.gov.au, Family Notices (1916, November 2). The Argus (Melbourne, Vic. : 1848 - 1957), p. 1. Retrieved July 30, 2017, from http://nla.gov.au/nla.news-article1628279
  3. [S226] Marriages, Vic Marriages 1921-42.

George William Mills

M, #7422, b. circa 1889, d. 13 August 1943
Pedigree
Last Edited7 Jun 2020
Birth*George William Mills was born circa 1889 at Natte Yallock, Victoria.1 
Marriage*He married Essie Gwendaline Ainsworth, daughter of Francis Russell Ainsworth and Ellen (Nellie*) Ayling, in 1916 at Victoria; reg: 2842. 
Death*George William Mills died on 13 August 1943 at Maryborough, Victoria.1 

Family

Essie Gwendaline Ainsworth b. 1891, d. 27 Sep 1963
Children
ChartsRosina Bradley Line (Ainsworth)
Marianne Mortimer Line (Bradley/Moore)

Citations

  1. [S309] Ancestry.com, online www.ancestry.com, emy haynes.
  2. [S214] BDM, Vic Index 1914-1920.

Joan Margaret Mills1

F, #14553, b. 30 May 1925, d. 12 January 2012
Pedigree
Joan Mills
Father*George William Mills b. c 1889, d. 13 Aug 1943
Mother*Essie Gwendaline Ainsworth b. 1891, d. 27 Sep 1963
Last Edited7 Jun 2020
Birth*Joan Margaret Mills was born on 30 May 1925 at Avoca, Victoria.1 
She was the daughter of George William Mills and Essie Gwendaline Ainsworth. 
Marriage*Joan Margaret Mills married Christopher Harry Metcalf.1 
Death*Joan Margaret Mills died on 12 January 2012 at Canberra, Australian Capital Territory, at age 86.1 

Family

Christopher Harry Metcalf b. 22 Jun 1921, d. 21 Dec 2009
Child
ChartsRosina Bradley Line (Ainsworth)
Marianne Mortimer Line (Bradley/Moore)
Relationships3rd cousin 1 time removed of Neil James Bradley
3rd cousin of Desmond Barry Tatchell
2nd cousin 1 time removed of William Hugh* Moore
2nd cousin 1 time removed of Elaine Margaret Ainsworth

Citations

  1. [S309] Ancestry.com, online www.ancestry.com, emy haynes.

Lorna May Mills1

F, #40942, b. 1912
Pedigree
Father*Arthur J C Mills1 d. 1916
Mother*Alma Alice May Turley1 b. 1885, d. 2 Jul 1952
Last Edited16 Jun 2020
Birth*Lorna May Mills was born in 1912 at Broken Hill, New South Wales; reg: 40113/1912.1 
She was the daughter of Arthur J C Mills and Alma Alice May Turley.1 
ChartsTamar Bradley Line (Turley)
Marianne Mortimer Line (Bradley/Moore)
Relationships2nd cousin 2 times removed of Neil James Bradley
1st cousin 1 time removed of Desmond Barry Tatchell
2nd cousin of William Hugh* Moore
2nd cousin 2 times removed of Elaine Margaret Ainsworth

Citations

  1. [S81] NSW BDMs Index, online http://www.bdm.nsw.gov.au/familyHistory/…

Margaret Ann Mills1

F, #10626, b. 1855, d. 14 October 1909
Pedigree
Last Edited20 Sep 2016
Birth*Margaret Ann Mills was born in 1855 at Nairne, South Australia.1 
Marriage*She married John Munro Milne on 14 July 1880 at Springfield, South Australia.1 
Death*Margaret Ann Mills died on 14 October 1909 at Perth, Western AustraliaG.1 

Family

John Munro Milne b. 8 Feb 1856, d. 27 Sep 1932
Child
RelationshipGreat-grandmother of Elaine Margaret Ainsworth

Citations

  1. [S518] Elaine Green,Australind, WA.

Mary Ann Mills1

F, #15371, b. 1815
Pedigree
Last Edited13 Nov 2016
Birth*Mary Ann Mills was born in 1815 at Kingsdown, Kent, England.2 
Marriage*She married Joseph Dean on 15 October 1833 at Kent, EnglandG. 

Family

Joseph Dean b. c 1811
Child

Citations

  1. [S187] Alistair Honeybun Data,West Australia.
  2. [S268] Rees, Alun Data,Australia.

Stanley C Mills1

M, #40940, b. 1902
Pedigree
Father*Arthur J C Mills1 d. 1916
Mother*Alma Alice May Turley1 b. 1885, d. 2 Jul 1952
Last Edited21 Aug 2017
Birth*Stanley C Mills was born in 1902 at Broken Hill, New South Wales; reg: 1622/1902.1 
He was the son of Arthur J C Mills and Alma Alice May Turley.1 
Marriage*Stanley C Mills married Dorothy V Callaway in 1927 at Broken Hill, New South Wales; reg: 8442/1927.1 

Family

Dorothy V Callaway
ChartsTamar Bradley Line (Turley)
Marianne Mortimer Line (Bradley/Moore)
Relationships2nd cousin 2 times removed of Neil James Bradley
1st cousin 1 time removed of Desmond Barry Tatchell
2nd cousin of William Hugh* Moore
2nd cousin 2 times removed of Elaine Margaret Ainsworth

Citations

  1. [S81] NSW BDMs Index, online http://www.bdm.nsw.gov.au/familyHistory/…

Alan Douglas Milne

M, #4545, b. 20 December 1892, d. 30 May 1969
Pedigree
Father*John Munro Milne b. 8 Feb 1856, d. 27 Sep 1932
Mother*Margaret Ann Mills b. 1855, d. 14 Oct 1909
Last Edited20 Sep 2016
Birth*Alan Douglas Milne was born on 20 December 1892 at Fremantle, Western AustraliaG; reg: 65.1 
He was the son of John Munro Milne and Margaret Ann Mills. 
Marriage*Alan Douglas Milne married Grace Florence* Collins, daughter of Charles Collins and Elizabeth Mary Ann Fitzpatrick, on 31 December 1922 at Carnarvon, Western Australia. 
Death*Alan Douglas Milne died on 30 May 1969 at Perth, Western AustraliaG, at age 76. 

Family

Grace Florence* Collins b. 29 Sep 1896, d. 2 Sep 1980
Milit-Beg*Alan Douglas Milne began military service on 21 June 1915 at Moondee Station, Cue, Western Australia, 1184, Private, 10th Light Horse Regiment, 8th Reinforcement.2 
Occupation*He was a Station Manager on 21 June 1915 at Moondee Station, Cue, Western Australia.2 
RelationshipGrandfather of Elaine Margaret Ainsworth

Citations

  1. [S63] WW2 Nominal Roll, online www.ww2roll.gov.au.
  2. [S156] UNSW AIF WWI, online www.aif.adfa.edu.au.

John Munro Milne

M, #10625, b. 8 February 1856, d. 27 September 1932
Pedigree
Last Edited20 Sep 2016
Birth*John Munro Milne was born on 8 February 1856 at Mount Barker, South Australia.1 
Marriage*He married Margaret Ann Mills on 14 July 1880 at Springfield, South Australia.1 
Death*John Munro Milne died on 27 September 1932 at Sydney, New South WalesG, at age 76.1 

Family

Margaret Ann Mills b. 1855, d. 14 Oct 1909
Child
RelationshipGreat-grandfather of Elaine Margaret Ainsworth

Citations

  1. [S518] Elaine Green,Australind, WA.

Joseph Norman Minnikin1

M, #29981, b. 11 February 1917, d. 31 July 1966
Pedigree
Last Edited8 Apr 2021
Birth*Joseph Norman Minnikin was born on 11 February 1917 at Nowra, New South Wales.2 
Marriage*He married Edith Adelaide Moore, daughter of Thomas Henry Moore and Rhoda Alice Geeves, on 26 January 1943 at Mortdale, New South Wales; reg: 5533/1943.1,3,4 
Death*Joseph Norman Minnikin died on 31 July 1966 at Sydney, New South Wales, at age 49.5 
Burial*He was buried at Macquarie Park Cemetery and Crematorium, North Ryde, New South Wales.5 

Family

Edith Adelaide Moore b. 27 Aug 1917, d. 22 Nov 1964
Milit-Beg*Joseph Norman Minnikin began military service on 5 June 1944 at Coogee, New South Wales, NX203812, Sapper, 2/9 Field Company, Army.2 
ChartsSarah Line (Stewart)

Citations

  1. [S266] Peter Bufton Data,Australia.
  2. [S63] WW2 Nominal Roll, online www.ww2roll.gov.au.
  3. [S81] NSW BDMs Index, online http://www.bdm.nsw.gov.au/familyHistory/…
  4. [S451] Kenneth J. Read, They Came to Preach and Prosper.
  5. [S632] Find A Grave, online findagrave.com.

Alfred James Mitchell1

M, #39786
Pedigree
Last Edited27 Feb 2016

Family
Child

Citations

  1. [S242] Marriages, SA Marriages 1917-37.

Clifford Claude Mitchell

M, #5637, b. 1887, d. 26 September 1960
Pedigree
Last Edited18 Jun 2010
Birth*Clifford Claude Mitchell was born in 1887 at Oatlands, Tasmania. 
Marriage*He married Edith Florence Mitson, daughter of Walter Henry Mitson and Catherine Mary Ward, on 25 February 1920 at St Andrew's Presbyterian, Hobart, TasmaniaG. 
Death*Clifford Claude Mitchell died on 26 September 1960 at Hobart, TasmaniaG. 
Burial*He was buried at Hobart, TasmaniaG. 

Family

Edith Florence Mitson b. 23 Oct 1889, d. 4 Jul 1981
Child
Occupation*Clifford Claude Mitchell was a Driver - Tas Railway on 13 January 1917 at Hobart, TasmaniaG.1 
Milit-Beg*He began military service on 13 January 1917 at Hobart, TasmaniaG, 1358, 2nd Corporal, Railway Unit, Section 4.1 
ChartsAnne Bradley Line (Mitson)
Marianne Mortimer Line (Bradley/Moore)

Citations

  1. [S156] UNSW AIF WWI, online www.aif.adfa.edu.au.

Ellen Frances Mitchell1

F, #40108
Pedigree
Last Edited7 Mar 2016
Marriage*Ellen Frances Mitchell married George Henry Fyfield.1 

Family

George Henry Fyfield
Child

Citations

  1. [S225] Deaths, Vic Deaths 1921-1985.

Freda May Mitchell1

F, #39785, b. 1915, d. 27 October 2000
Pedigree
Father*Alfred James Mitchell1
Last Edited27 Feb 2021
Birth*Freda May Mitchell was born in 1915.1 
She was the daughter of Alfred James Mitchell.1 
Marriage*Freda May Mitchell married Percy Douglas Coleman, son of Douglas Coleman and Eva Althea Binning, on 14 October 1936 at Williamstown, South Australia.1,2
Death*Freda May Mitchell died on 27 October 2000 at South Australia, South Australia.3 
Burial*She was buried at Williamstown Cemetery, Williamstown, South Australia.3 

Family

Percy Douglas Coleman b. 11 Sep 1906, d. 16 Dec 1993
ChartsOrrock Family

Citations

  1. [S242] Marriages, SA Marriages 1917-37.
  2. [S389] Trove, online trove.nla.gov.au, Wedding Bells. (1936, November 20). Bunyip (Gawler, SA : 1863 - 1954), p. 6. Retrieved August 24, 2017, from http://nla.gov.au/nla.news-article96655753
  3. [S632] Find A Grave, online findagrave.com.

Jack Mitchell

M, #5639, b. 7 May 1923, d. 21 January 1944
Pedigree
Father*Clifford Claude Mitchell b. 1887, d. 26 Sep 1960
Mother*Edith Florence Mitson b. 23 Oct 1889, d. 4 Jul 1981
Last Edited1 Apr 2021
Birth*Jack Mitchell was born on 7 May 1923 at Warwick St, Hobart, TasmaniaG. 
He was the son of Clifford Claude Mitchell and Edith Florence Mitson. 
Death*Jack Mitchell died on 21 January 1944 at Germany at age 20; WWII Lost piloting a Lancaster Bomber on an attack on Magdeburg.
Burial*He was buried at Berlin, Germany; Berlin 1939-1945 War Cemetery, Brandenburg (Coll. grave 2. N. 4-7.)1
Milit-Beg*Jack Mitchell began military service on 9 October 1941 at Hobart, TasmaniaG, Radio 7HT, Pilot Officer, 408312, RAAF.2
ChartsAnne Bradley Line (Mitson)
Marianne Mortimer Line (Bradley/Moore)
War DeathsWar Deaths
Relationships3rd cousin 1 time removed of Neil James Bradley
3rd cousin of Desmond Barry Tatchell
2nd cousin 1 time removed of William Hugh* Moore
3rd cousin 1 time removed of Elaine Margaret Ainsworth

Citations

  1. [S54] CWGC, online www.cwgc.org.
  2. [S63] WW2 Nominal Roll, online www.ww2roll.gov.au.

Mary Mitchell1

F, #38670, b. 1809, d. 1 March 1851
Pedigree
Last Edited27 Jan 2014
Birth*Mary Mitchell was born in 1809 at Dalgety, Fife, Scotland.1 
Marriage*She married James Orrock, son of Robert Orrock and Margaret Meldrum, on 2 November 1829 at Dalgety, Fife, Scotland.1 
Death*Mary Mitchell died on 1 March 1851 at First Creek, South Australia.1 

Family

James Orrock b. 1 Aug 1802, d. 7 Mar 1873
Children
Immigration*Mary Mitchell immigrated on 10 March 1840 to Adelaide, South Australia; Baboo.1 
ChartsOrrock Family

Citations

  1. [S309] Ancestry.com, online www.ancestry.com, "My Family Tree" blake_mcca.

Alfred Mitson

M, #5615, b. 26 December 1858, d. 28 January 1859
Pedigree
Father*Henry Mitson b. 1830, d. 19 Sep 1879
Mother*Anne Jane Bradley b. 27 Jun 1840, d. 15 Feb 1879
Last Edited26 Mar 2007
Birth*Alfred Mitson was born on 26 December 1858 at Liverpool St, Hobart, TasmaniaG; reg: 5276. 
He was the son of Henry Mitson and Anne Jane Bradley. 
Death*Alfred Mitson died on 28 January 1859 at Liverpool St, Hobart, TasmaniaG; reg: 1332. 
ChartsThe Early Bradley Line
Anne Bradley Line (Mitson)
John Mortimer Family (5 Gens)
Marianne Mortimer Line (Bradley/Moore)
Relationships1st cousin 3 times removed of Neil James Bradley
1st cousin 2 times removed of Desmond Barry Tatchell
1st cousin 1 time removed of William Hugh* Moore
1st cousin 3 times removed of Elaine Margaret Ainsworth

Amy Jane Mitson

F, #5619, b. 8 September 1865, d. 25 November 1943
Pedigree
Father*Henry Mitson b. 1830, d. 19 Sep 1879
Mother*Anne Jane Bradley b. 27 Jun 1840, d. 15 Feb 1879
Last Edited16 Jan 2009
Birth*Amy Jane Mitson was born on 8 September 1865 at Liverpool St, Hobart, TasmaniaG; reg: 8031. 
She was the daughter of Henry Mitson and Anne Jane Bradley. 
Marriage*Amy Jane Mitson married Henry Arthur Beazley on 13 August 1885 at Glebe, Tasmania; (Tas ;reg: 498.) 
Death*Amy Jane Mitson died on 25 November 1943 at Kensington, New South Wales, at age 78; reg: 30330. 
Burial*She was buried at Botany, New South Wales; Presbyterian Cemetery. 

Family

Henry Arthur Beazley b. 1864, d. 21 Apr 1930
Children
ChartsThe Early Bradley Line
Anne Bradley Line (Mitson)
John Mortimer Family (5 Gens)
Marianne Mortimer Line (Bradley/Moore)
Relationships1st cousin 3 times removed of Neil James Bradley
1st cousin 2 times removed of Desmond Barry Tatchell
1st cousin 1 time removed of William Hugh* Moore
1st cousin 3 times removed of Elaine Margaret Ainsworth

Edith Florence Mitson

F, #5636, b. 23 October 1889, d. 4 July 1981
Pedigree
Father*Walter Henry Mitson b. 21 Feb 1864, d. 25 Nov 1943
Mother*Catherine Mary Ward b. 16 Jan 1873, d. 23 Sep 1915
Last Edited26 Mar 2007
Birth*Edith Florence Mitson was born on 23 October 1889 at Port Cygnet, New South Wales; reg: 1908/527. 
She was the daughter of Walter Henry Mitson and Catherine Mary Ward. 
Marriage*Edith Florence Mitson married Clifford Claude Mitchell on 25 February 1920 at St Andrew's Presbyterian, Hobart, TasmaniaG. 
Death*Edith Florence Mitson died on 4 July 1981 at Hobart, TasmaniaG, at age 91. 
Burial*She was buried at Hobart, TasmaniaG; Oatlands. 

Family

Clifford Claude Mitchell b. 1887, d. 26 Sep 1960
Child
ChartsAnne Bradley Line (Mitson)
Marianne Mortimer Line (Bradley/Moore)
Relationships2nd cousin 2 times removed of Neil James Bradley
2nd cousin 1 time removed of Desmond Barry Tatchell
2nd cousin of William Hugh* Moore
2nd cousin 2 times removed of Elaine Margaret Ainsworth

Edwin John Mitson

M, #5630, b. 19 August 1877, d. 1 September 1877
Pedigree
Father*Henry Mitson b. 1830, d. 19 Sep 1879
Mother*Anne Jane Bradley b. 27 Jun 1840, d. 15 Feb 1879
Last Edited26 Mar 2007
Birth*Edwin John Mitson was born on 19 August 1877 at Murray St, Hobart, TasmaniaG; reg: 2972. 
He was the son of Henry Mitson and Anne Jane Bradley. 
Death*Edwin John Mitson died on 1 September 1877 at Murray St, Hobart, TasmaniaG; reg: 721. 
ChartsThe Early Bradley Line
Anne Bradley Line (Mitson)
John Mortimer Family (5 Gens)
Marianne Mortimer Line (Bradley/Moore)
Relationships1st cousin 3 times removed of Neil James Bradley
1st cousin 2 times removed of Desmond Barry Tatchell
1st cousin 1 time removed of William Hugh* Moore
1st cousin 3 times removed of Elaine Margaret Ainsworth

Elizabeth Francis Eileen Mitson1

F, #5679, b. 4 April 1902, d. 24 June 1971
Pedigree
Father*William Percival (Percy*) Mitson b. 9 Nov 1870, d. 9 Aug 1952
Mother*Elizabeth Aileen (Lizzie*) McCormack b. 1871, d. 3 Apr 1964
Last Edited7 Mar 2021
Birth*Elizabeth Francis Eileen Mitson was born on 4 April 1902 at Hobart, TasmaniaG; reg: 542/1902.1 
She was the daughter of William Percival (Percy*) Mitson and Elizabeth Aileen (Lizzie*) McCormack. 
Death*Elizabeth Francis Eileen Mitson died on 24 June 1971 at Hobart, TasmaniaG, at age 69. 
Burial*She was buried at Cornelian Bay Cemetery And Crematorium, Hobart, Tasmania.2 
Occupation*Elizabeth Francis Eileen Mitson was a Music & Elocution Teacher. 
ChartsAnne Bradley Line (Mitson)
Marianne Mortimer Line (Bradley/Moore)
Relationships2nd cousin 2 times removed of Neil James Bradley
2nd cousin 1 time removed of Desmond Barry Tatchell
2nd cousin of William Hugh* Moore
2nd cousin 2 times removed of Elaine Margaret Ainsworth

Citations

  1. [S228] BDMs, Tas Index 1900-1930.
  2. [S632] Find A Grave, online findagrave.com.

Emiline Mary (Emily*) Mitson

F, #5625, b. 22 February 1869, d. 13 October 1964
Pedigree
Father*Henry Mitson b. 1830, d. 19 Sep 1879
Mother*Anne Jane Bradley b. 27 Jun 1840, d. 15 Feb 1879
Last Edited26 Mar 2007
Birth*Emiline Mary (Emily*) Mitson was born on 22 February 1869 at Elizabeth St, Hobart, TasmaniaG; reg: 193. 
She was the daughter of Henry Mitson and Anne Jane Bradley. 
Marriage*Emiline Mary (Emily*) Mitson married John Alexander Lowe, son of George Lowe and Jane Watt, on 5 July 1899 at St John's, New Town, Tasmania; reg: 275. 
Death*Emiline Mary (Emily*) Mitson died on 13 October 1964 at Hobart, TasmaniaG, at age 95. 

Family

John Alexander Lowe b. 9 Jan 1874, d. 18 Jan 1911
Children
ChartsThe Early Bradley Line
Anne Bradley Line (Mitson)
John Mortimer Family (5 Gens)
Marianne Mortimer Line (Bradley/Moore)
Relationships1st cousin 3 times removed of Neil James Bradley
1st cousin 2 times removed of Desmond Barry Tatchell
1st cousin 1 time removed of William Hugh* Moore
1st cousin 3 times removed of Elaine Margaret Ainsworth