- Father: Cornelius O'BRIEN
- Mother: Elizabeth MCMAHON
- Birth: 1844, Shanagolden, Limerick, Munster, Ireland
- Emmigration: per Blundell, 5 May 1853, Sydney, , New South Wales, Australia
- FamilySearch ID: G3DG-2G6
- Death: 15 Oct 1923, Gunning, , New South Wales, Australia
- Burial: Gunning, , New South Wales, Australia
- Partnership with: William BEAN
Marriage: 23 Jun 1863, Binda, , New South Wales, Australia
- Child: William BEAN Birth: 1864, Goulburn, , New South Wales, Australia
- Child: Elizabeth Mary BEAN Birth: 1866, Young, , New South Wales, Australia
- Child: Ann BEAN Birth: 1868, Yass, , New South Wales, Australia
- Child: George J. BEAN Birth: 1871, Yass, , New South Wales, Australia
- Child: Eliza Jane BEAN Birth: 1873, Boorowa, , New South Wales, Australia
- Child: Edna BEAN Birth: 1876, Boorowa, , New South Wales, Australia
- Child: Thomas BEAN Birth: 1880, Gunning, , New South Wales, Australia
Ancestors of Mary Ann O'BRIEN
/-Cornelius O'BRIEN
Mary Ann O'BRIEN
\-Elizabeth MCMAHON
Descendants of Mary Ann O'BRIEN
1 Mary Ann O'BRIEN
=William BEAN Marriage: 23 Jun 1863, Binda, , New South Wales, Australia
2 William BEAN
2 Elizabeth Mary BEAN
=Robert WATERS Marriage: 1885, Gunning, , New South Wales, Australia
3 Mary Ada F. WATERS
=Henry Hill MORTON Marriage: 1909, Gunning, , New South Wales, Australia
3 Robert Bruce WATERS
=Elsie Catherine PINNING Marriage: 1916, Crookwell, , New South Wales, Australia
3 Ernest William George WATERS
=Ruby Florence GEORGE Marriage: 1912, Crookwell, , New South Wales, Australia
3 Laura Maud Maria WATERS
=Alexander Clement ABBEY Marriage: 20 Apr 1921, Goulburn, , New South Wales, Australia
3 Ruby "Ella" Ella Pearl WATERS
=Frederick Spencer SELMES Marriage: 30 Aug 1922, Yass, , New South Wales, Australia
3 Euphemia "Feem" Rachel Eliza WATERS
=George Francis SELMES Marriage: 1922, Gunning, , New South Wales, Australia
3 Ivy Beatrice Daisy WATERS
3 Elizabeth Cora WATERS
3 John J. WATERS
3 Irene Elma WATERS
=Myles Leslie HALLAM Marriage: 1943, Bathurst, , New South Wales, Australia
3 Ilma I. WATERS
3 Cora WATERS
2 Ann BEAN
2 George J. BEAN
2 Eliza Jane BEAN
2 Edna BEAN
2 Thomas BEAN
- Birth: 1834, Windsor, , New South Wales, Australia
- FamilySearch ID: KKRL-VFY
- Death: 26 Oct 1871, Goulburn, , New South Wales, Australia
- Burial: (Date and Place unknown)
Descendants of Mary Ann O'BRIEN
1 Mary Ann O'BRIEN
=Thomas Charles NEWHAM
2 Charles Thomas NEWHAM
=Lucy Isabelle BUTTENSHAW Marriage: 1898, Crookwell, , New South Wales, Australia
3 Charles R NEWHAM
3 Bertie James NEWHAM
=Doris Rachel MARSH Marriage: 1930, Goulburn, , New South Wales, Australia
3 Herbert T NEWHAM
3 Mary Irene NEWHAM
- Death: (Date and Place unknown)
Descendants of Mary Anne O'BRIEN
1 Mary Anne O'BRIEN
=Richard Thomas POIDEVIN Marriage: 1933, Wollongong, , New South Wales, Australia
- Father: James A. O'BRIEN
- Mother: Hannah JONES
- Birth: 1886, Gunning, , New South Wales, Australia
- Death: 1966, Sydney, , New South Wales, Australia
- Partnership with: Thomas BEVEN
Marriage: 1911, Crookwell, , New South Wales, Australia
- Child: Erin Kathleen BEVEN Birth: 1912, Crookwell, , New South Wales, Australia
- Child: Thomas P. BEVEN Birth: 1914, Crookwell, , New South Wales, Australia
- Child: Sylvia BEVEN Birth: 1915, Crookwell, , New South Wales, Australia
- Child: Valda J. BEVEN Birth: 1917, Crookwell, , New South Wales, Australia
Ancestors of Mary Catherine O'BRIEN
/-James A. O'BRIEN
Mary Catherine O'BRIEN
\-Hannah JONES
Descendants of Mary Catherine O'BRIEN
1 Mary Catherine O'BRIEN
=Thomas BEVEN Marriage: 1911, Crookwell, , New South Wales, Australia
2 Erin Kathleen BEVEN
2 Thomas P. BEVEN
2 Sylvia BEVEN
2 Valda J. BEVEN
Ancestors of Mary Magdalene O'BRIEN
/-James A. O'BRIEN
/-Thomas Joseph O'BRIEN
| \-Hannah JONES
Mary Magdalene O'BRIEN
| /-Thomas HEFFERNAN
| /-Henry James HEFFERNAN
\-Theresa Hannah HEFFERNAN
| /-Owen O'NEILL
\-Catherine O'NEILL
\-Catherine FOLEY
Descendants of Mary Magdalene O'BRIEN
1 Mary Magdalene O'BRIEN
=John Alexander DAVIDSON Marriage: 1936, Crookwell, , New South Wales, Australia
- Father: Michael O'BRIEN
- Birth: Abt 1856
- FamilySearch ID: LRZC-HCX
- Death: 5 Aug 1905, Adelaide, , South Australia, Australia
- Partnership with: Maria Moyle PAINTER
Marriage: 22 Jul 1879, Adelaide, , South Australia, Australia
- Child: Matthew O'BRIEN Birth: 10 May 1879, Adelaide, , South Australia, Australia
- Child: Ellen May O'BRIEN Birth: 4 Nov 1881, Adelaide, , South Australia, Australia
- Child: Margaret Rose O'BRIEN Birth: 3 May 1884, Adelaide, , South Australia, Australia
- Child: Beatrice Maud O'BRIEN Birth: 6 Oct 1886, Adelaide, , South Australia, Australia
- Child: James O'BRIEN Birth: 8 May 1889, Adelaide, , South Australia, Australia
- Child: Ruby Olive Annie O'BRIEN Birth: 2 Jan 1892, Adelaide, , South Australia, Australia
- Child: Sydney Roy O'BRIEN Birth: 3 Sep 1896, Adelaide, , South Australia, Australia
Ancestors of Matthew O'BRIEN
/-Michael O'BRIEN
Matthew O'BRIEN
Descendants of Matthew O'BRIEN
1 Matthew O'BRIEN
=Maria Moyle PAINTER Marriage: 22 Jul 1879, Adelaide, , South Australia, Australia
2 Matthew O'BRIEN
2 Ellen May O'BRIEN
=John William COLQUHOUN Marriage: 19 Jan 1907, Adelaide, , South Australia, Australia
2 Margaret Rose O'BRIEN
2 Beatrice Maud O'BRIEN
2 James O'BRIEN
2 Ruby Olive Annie O'BRIEN
=Francis Arnold John WEBSTER Marriage: 14 Jan 1913, Adelaide, , South Australia, Australia
3 Ruby Frances WEBSTER
=Victor Ernest PHIPPS Marriage: 1936, Leeton, , New South Wales, Australia
3 Charles Matthew WEBSTER
=Catherine Mary MYERS Marriage: Abt 1944, Melbourne, , Victoria, Australia
=Milton John KIRK Marriage: 1956, Narrandera, , New South Wales, Australia
2 Sydney Roy O'BRIEN
- Father: Matthew O'BRIEN
- Mother: Maria Moyle PAINTER
- Birth: 10 May 1879, Adelaide, , South Australia, Australia
- Also known as: Matthew PAINTER
- FamilySearch ID: LYSB-GVF
- Death: (Date and Place unknown)
Ancestors of Matthew O'BRIEN
/-Michael O'BRIEN
/-Matthew O'BRIEN
Matthew O'BRIEN
| /-John Moyle PAINTER
\-Maria Moyle PAINTER
\-Ann Maria DAVEY
- Father: Cornelius O'BRIEN
- Mother: Maud BRYANT
- Birth: 1877, Cowra, , New South Wales, Australia
- FamilySearch ID: LB7S-HJ4
- Death: (Date and Place unknown)
Ancestors of Maude Valentine O'BRIEN
/-Cornelius O'BRIEN
Maude Valentine O'BRIEN
| /-James Henry BRYANT
\-Maud BRYANT
\-Jemima Thomasina WEEDEN
- Father: Cornelius O'BRIEN
- Mother: Maud BRYANT
- Birth: 1892, Parkes, , New South Wales, Australia
- FamilySearch ID: LB7S-HVD
- Death: (Date and Place unknown)
Ancestors of Maurice O'BRIEN
/-Cornelius O'BRIEN
Maurice O'BRIEN
| /-James Henry BRYANT
\-Maud BRYANT
\-Jemima Thomasina WEEDEN
- Birth: 1932, Crookwell, , New South Wales, Australia
- Death: 11 Sep 1995, Cessnock, , New South Wales, Australia
- Burial: 13 Sep 1995
Descendants of Maxwell Joseph O'BRIEN
1 Maxwell Joseph O'BRIEN
=Norma Marina Maxine BOOTHMAN Marriage: 1957, Goulburn, , New South Wales, Australia
- Father: Dennis O'BRIEN
- Mother: Margaret MCINERNEY
- Birth: 1881, Gunning, , New South Wales, Australia
- FamilySearch ID: L8H5-HJQ
- Death: 4 Oct 1972, Crookwell, , New South Wales, Australia
Ancestors of May Jane O'BRIEN
/-Dennis O'BRIEN
May Jane O'BRIEN
| /-Michael MCINERNEY
\-Margaret MCINERNEY
| /-Patrick O'BRIEN
\-Johanna O'BRIEN
- Father: Patrick O'BRIEN
- Mother: Bridget LOUGHNAN
- Birth: 1889, Grabben Gullen, , New South Wales, Australia
- FamilySearch ID: G4WW-NFC
- Death: (Date and Place unknown)
Ancestors of May Margaret O'BRIEN
/-Patrick O'BRIEN
May Margaret O'BRIEN
| /-John LOUGHNAN
\-Bridget LOUGHNAN
\-Mary BYRON
Descendants of May Margaret O'BRIEN
1 May Margaret O'BRIEN
=Thomas Joseph KENNEDY Marriage: 18 Feb 1914, Crookwell, , New South Wales, Australia
- Birth: est 1830
- FamilySearch ID: LYSB-P7R
- Death: (Date and Place unknown)
- Partnership with: (Unknown)
Descendants of Michael O'BRIEN
1 Michael O'BRIEN
=(Unknown)
2 Matthew O'BRIEN
=Maria Moyle PAINTER Marriage: 22 Jul 1879, Adelaide, , South Australia, Australia
3 Matthew O'BRIEN
3 Ellen May O'BRIEN
=John William COLQUHOUN Marriage: 19 Jan 1907, Adelaide, , South Australia, Australia
3 Margaret Rose O'BRIEN
3 Beatrice Maud O'BRIEN
3 James O'BRIEN
3 Ruby Olive Annie O'BRIEN
=Francis Arnold John WEBSTER Marriage: 14 Jan 1913, Adelaide, , South Australia, Australia
=Milton John KIRK Marriage: 1956, Narrandera, , New South Wales, Australia
3 Sydney Roy O'BRIEN
- Father: Dennis O'BRIEN
- Mother: Margaret MCINERNEY
- Birth: 18 Jun 1872, Yass, , New South Wales, Australia
- FamilySearch ID: 9VLS-37C
- Death: (Date and Place unknown)
Ancestors of Michael O'BRIEN
/-Dennis O'BRIEN
Michael O'BRIEN
| /-Michael MCINERNEY
\-Margaret MCINERNEY
| /-Patrick O'BRIEN
\-Johanna O'BRIEN
- Father: John O'BRIEN
- Mother: Bridget Mary HEWET
- Birth: 1866
- Death: 9 Mar 1939, Goulburn, , New South Wales, Australia
- Burial: Spring Valley, , New South Wales, Australia
Ancestors of Michael Edward O'BRIEN
/-Patrick O'BRIEN
/-John O'BRIEN
| \-Mary
Michael Edward O'BRIEN
| /-Michael HEWITT
\-Bridget Mary HEWET
\-Margaret RYAN
- Birth: est 1880
- Death: (Date and Place unknown)
Descendants of Michael J. O'BRIEN
1 Michael J. O'BRIEN
=Theresa E. BRODERICK Marriage: 1906, Sydney, , New South Wales, Australia
- Father: John Daniel O'BRIEN
- Mother: Esther GREEN
- Birth: 21 May 1907, Parramatta, , New South Wales, Australia
- Also known as: Minnie Frances GREEN
- Death: 10 Dec 1996, Young, , New South Wales, Australia
- Burial: Crookwell, , New South Wales, Australia
- Partnership with: John Thomas CHOWN
Marriage: 24 May 1930, Granville, , New South Wales, Australia
Ancestors of Minnie Frances O'BRIEN
/-Cornelius O'BRIEN
/-John Daniel O'BRIEN
| | /-John MEMORY
| \-Mary Anne MEMORY
Minnie Frances O'BRIEN
| /-Michael GREEN
\-Esther GREEN
\-Margaret BYERS
Descendants of Minnie Frances O'BRIEN
1 Minnie Frances O'BRIEN
=John Thomas CHOWN Marriage: 24 May 1930, Granville, , New South Wales, Australia
Ancestors of Minnie Frances O'BRIEN
/-Cornelius O'BRIEN
Minnie Frances O'BRIEN
| /-John MEMORY
\-Mary Anne MEMORY
- Father: William Robert O'BRIEN
- Mother: Johannah HEFFERNAN
- Birth: 1925, Crookwell, , New South Wales, Australia
- FamilySearch ID: GWGP-W87
- Death: 8 May 2002
- Burial: Crookwell, , New South Wales, Australia
Ancestors of Mona Jean O'BRIEN
/-James A. O'BRIEN
/-William Robert O'BRIEN
| \-Hannah JONES
Mona Jean O'BRIEN
| /-Thomas HEFFERNAN
| /-Henry James HEFFERNAN
\-Johannah HEFFERNAN
| /-Owen O'NEILL
\-Catherine O'NEILL
\-Catherine FOLEY
Descendants of Mona Jean O'BRIEN
1 Mona Jean O'BRIEN
=Leslie Joseph CUMMINS Marriage: 7 Feb 1944, Crookwell, , New South Wales, Australia
Ancestors of Neville Thomas O'BRIEN
/-Patrick O'BRIEN
/-Thomas Francis O'BRIEN
| | /-John LOUGHNAN
| \-Bridget LOUGHNAN
| \-Mary BYRON
Neville Thomas O'BRIEN
| /-James MCCABE
| /-Patrick Joseph MCCABE
| | \-Mary Ann DOWNEY
\-Catherine Angela MCCABE
| /-Dennis KENNY
\-Catherine "Kate" KENNY
\-Eliza ROUNTREE