- Father: Cornelius O'BRIEN
- Mother: Mary Anne MEMORY
- Birth: Abt 1864, Grenfell, , NSW, AUS
- Death: 13 Apr 1937, Granville, , NSW, AUS
- Burial: 14 Apr 1937, Rookwood, , NSW, AUS
- Partnership with: Esther GREEN
Marriage: 1926, Parramatta, , NSW, AUS
- Child: Minnie Frances O'BRIEN Birth: 21 May 1907, Parramatta, , NSW, AUS
- Child: John Daniel GREEN Birth: 1910, Glebe, , NSW, AUS
- Child: Cornelius Memory O'BRIEN Birth: 16 Jan 1912, Parramatta, , NSW, AUS
- Child: Esther Emma GREEN Birth: 6 Mar 1914, Sydney, , NSW, AUS
- Child: Elizabeth Mary GREEN Birth: 1916, Boorowa, , NSW, AUS
- Child: May Jane GREEN Birth: 1918, Boorowa, , NSW, AUS
- Child: William Bruce O'BRIEN Birth: Est 1922
Ancestors of John Daniel O'BRIEN
/-Cornelius O'BRIEN
John Daniel O'BRIEN
| /-John MEMORY
\-Mary Anne MEMORY
Descendants of John Daniel O'BRIEN
1 John Daniel O'BRIEN
=Esther GREEN Marriage: 1926, Parramatta, , NSW, AUS
2 Minnie Frances O'BRIEN
=John Thomas CHOWN Marriage: 24 May 1930, Granville, , NSW, AUS
2 John Daniel GREEN
=Olive I. POULTER Marriage: 1935, Newtown, , NSW, AUS
2 Cornelius Memory O'BRIEN
=Constance Mary RESTALL Marriage: 1933, Annandale, , NSW, AUS
2 Esther Emma GREEN
=James Augustus CHOWN Marriage: 1938, Sydney, , NSW, AUS
2 Elizabeth Mary GREEN
2 May Jane GREEN
2 William Bruce O'BRIEN
- Father: John O'BRIEN
- Mother: Florence M. LAWLISS
- Birth: 1915, Yass, , NSW, AUS
- Death: 17 Jun 1987, Yass, , NSW, AUS
- Burial: Yass, , NSW, AUS
Ancestors of John Henry O'BRIEN
/-John O'BRIEN
John Henry O'BRIEN
| /-John LAWLISS
| /-Henry George LAWLISS
| | \-Bridget DOWDEL
\-Florence M. LAWLISS
| /-Robert BAILEY
\-Rebecca Mary BAILEY
Descendants of John Henry O'BRIEN
1 John Henry O'BRIEN
=Mary "Molly" Alice DALY Marriage: 1940, Gunning, , NSW, AUS
2 Living
Ancestors of John J. O'BRIEN
/-Michael J. O'BRIEN
John J. O'BRIEN
| /-John BRODERICK
| /-Jeremiah "Darby" BRODERICK
| | \-Ann CALVIN
\-Theresa E. BRODERICK
| /-John HICKEY
\-Ann HICKEY
\-Mary CONROY
Ancestors of John William Francis O'BRIEN
/-Francis Theodore O'BRIEN
John William Francis O'BRIEN
Descendants of John William Francis O'BRIEN
1 John William Francis O'BRIEN
=Gladys Leila CRAMP Marriage: 1929, Goulburn, , NSW, AUS
2 Annette Isobel O'BRIEN
- Birth: Est 1860
- Death: (Date and Place unknown)
- Partnership with: (Unknown)
Descendants of Joseph O'BRIEN
1 Joseph O'BRIEN
=(Unknown)
2 Francis "Nugget" Theodore O'BRIEN
=Martha Minnie GEORGE Marriage: 1948, Goulburn, , NSW, AUS
Ancestors of Joseph Eardley O'BRIEN
/-Cornelius O'BRIEN
Joseph Eardley O'BRIEN
| /-James Henry BRYANT
\-Maud BRYANT
\-Jemima Thomasina WEEDEN
Ancestors of Joseph Peter O'BRIEN
/-John O'BRIEN
Joseph Peter O'BRIEN
\-Caroline LILLYWHITE
Descendants of Joseph Peter O'BRIEN
1 Joseph Peter O'BRIEN
=Priscilla Margaret CHALKER Marriage: 6 Jun 1900, Goulburn, , NSW, AUS
- Birth: Abt 1827, , , County Clare, Ireland
- Death: 1908, Williamsdale, , NSW, AUS
- Partnership with: William BLEWITT
Marriage: 1851, Queanbeyan, , NSW, AUS
- Child: Charles BLEWITT Birth: 1863, Queanbeyan, , NSW, AUS
- Child: Elizabth Jane BLEWITT Birth: Cal 1865, Queanbeyan, , NSW, AUS
- Child: Arthur BLEWITT Birth: 1873, Queanbeyan, , NSW, AUS
Descendants of Julia O'BRIEN
1 Julia O'BRIEN
=William BLEWITT Marriage: 1851, Queanbeyan, , NSW, AUS
2 Charles BLEWITT
=Agnes WOODS Marriage: 1893, Queanbeyan, , NSW, AUS
3 Edward Charles BLEWITT
=Colsie Elsie M. BURGESS Marriage: 1925, Goulburn, , NSW, AUS
3 Henry Ernest BLEWITT
2 Elizabth Jane BLEWITT
2 Arthur BLEWITT
=Mary agnes MCTERNAN Marriage: 1905, Cooma, , NSW, AUS
Ancestors of Julia O'BRIEN
/-Daniel O'BRIEN
Julia O'BRIEN
\-Catherine BRASSEL
- Birth: 1866, Laggan, , NSW, AUS
- Death: 3 Jan 1952, Goulburn, , NSW, AUS
- Burial: 4 Jan 1952, Laggan, , NSW, AUS
- Partnership with: Henry John Joseph HOGAN
Marriage: 1887, Crookwell, , NSW, AUS
- Child: Henry D. HOGAN Birth: 1888, Carcoar, , NSW, AUS
- Child: John J. S. HOGAN Birth: 1890, Carcoar, , NSW, AUS
- Child: Michael Edward HOGAN Birth: 1892, Tuena, , NSW, AUS
- Child: Mary Catherine HOGAN Birth: 1894, Tuena, , NSW, AUS
- Child: Robert B. HOGAN Birth: 1896, Tuena, , NSW, AUS
- Child: Denis C. HOGAN Birth: 1898, Tuena, , NSW, AUS
- Child: William Sylvester HOGAN Birth: 1900, Tuena, , NSW, AUS
Descendants of Julia Josephine O'BRIEN
1 Julia Josephine O'BRIEN
=Henry John Joseph HOGAN Marriage: 1887, Crookwell, , NSW, AUS
2 Henry D. HOGAN
2 John J. S. HOGAN
2 Michael Edward HOGAN
=Helen "Nel" Elizabeth FISHER Marriage: May 1927, Spring Valley, , NSW, AUS
3 Patricia Mary HOGAN
=Dominic James O'BRIEN Marriage: 28 Dec 1951, Crookwell, , NSW, AUS
2 Mary Catherine HOGAN
=Thomas John TREACY Marriage: 1929, Crookwell, , NSW, AUS
2 Robert B. HOGAN
2 Denis C. HOGAN
2 William Sylvester HOGAN
=Grace Marion ROSS Marriage: 1946, Sydney, , NSW, AUS
Ancestors of Katheen Margaret O'BRIEN
/-Patrick O'BRIEN
/-John O'BRIEN
| \-Mary
/-Patrick Fernand O'BRIEN
| | /-Michael HEWITT
| \-Bridget Mary HEWET
| \-Margaret RYAN
Katheen Margaret O'BRIEN
| /-George SYKES
| /-Stephen Gregory SYKES
| | \-Catherine CROWE
\-Mary Martina SYKES
| /-Benjamin BARDEN
\-Charlotte Matilda BARDEN
\-Sophia CUTBUSH
Descendants of Katheen Margaret O'BRIEN
1 Katheen Margaret O'BRIEN
=Isaac Brendon GOODWIN Marriage: 17 Jan 1942, Goulburn, , NSW, AUS
Ancestors of Kathleen O'BRIEN
/-Patrick O'BRIEN
/-Thomas Francis O'BRIEN
| | /-John LOUGHNAN
| \-Bridget LOUGHNAN
| \-Mary BYRON
Kathleen O'BRIEN
| /-James MCCABE
| /-Patrick Joseph MCCABE
| | \-Mary Ann DOWNEY
\-Catherine Angela MCCABE
| /-Dennis KENNY
\-Catherine "Kate" KENNY
\-Eliza ROUNTREE
- Birth: Est 1900
- Death: (Date and Place unknown)
Descendants of Kathleen Annie M. O'BRIEN
1 Kathleen Annie M. O'BRIEN
=William Daniel GALLAGHER Marriage: 1920, Newtown, , NSW, AUS
2 John GALLAGHER
Ancestors of Kenneth Stephen O'BRIEN
/-Patrick O'BRIEN
/-John O'BRIEN
| \-Mary
/-Patrick Fernand O'BRIEN
| | /-Michael HEWITT
| \-Bridget Mary HEWET
| \-Margaret RYAN
Kenneth Stephen O'BRIEN
| /-George SYKES
| /-Stephen Gregory SYKES
| | \-Catherine CROWE
\-Mary Martina SYKES
| /-Benjamin BARDEN
\-Charlotte Matilda BARDEN
\-Sophia CUTBUSH
Descendants of Kenneth Stephen O'BRIEN
1 Kenneth Stephen O'BRIEN
=Alison SPARKES Marriage: 1949, Sydney, , NSW, AUS
- Birth: 1853, Castletown Berehaven, COR, Munster, IRL
- Death: 14 Dec 1934, Queanbeyan, , NSW, AUS
- Burial: Tarago, , NSW, AUS
- Partnership with: John LEHANE
Marriage: 1871, Goulburn, , NSW, AUS
- Child: Mary LEHANE Birth: 1872, Goulburn, , NSW, AUS
- Child: Hanorah "Nora" Margaret LEHANE Birth: 1874, Goulburn, , NSW, AUS
- Child: Bridget Matilda LEHANE Birth: 1876, Goulburn, , NSW, AUS
- Child: Michael Patrick LEHANE Birth: 1878, Goulburn, , NSW, AUS
- Child: John Joseph LEHANE Birth: 1881, Goulburn, , NSW, AUS
- Child: James Francis LEHANE Birth: Est 1885
- Child: Jeremiah Bede LEHANE Birth: Cal 1887
- Child: Clarence Paul LEHANE Birth: 1890, Goulburn, , NSW, AUS
- Child: Peter Harold LEHANE Birth: 1890, Tarago, , NSW, AUS
Descendants of Margaret O'BRIEN
1 Margaret O'BRIEN
=John LEHANE Marriage: 1871, Goulburn, , NSW, AUS
2 Mary LEHANE
=Arthur H. WARE Marriage: 1905, Sydney, , NSW, AUS
2 Hanorah "Nora" Margaret LEHANE
=Percy Henry EASTMUIR Marriage: 1908, Canterbury, , NSW, AUS
2 Bridget Matilda LEHANE
2 Michael Patrick LEHANE
2 John Joseph LEHANE
2 James Francis LEHANE
2 Jeremiah Bede LEHANE
2 Clarence Paul LEHANE
2 Peter Harold LEHANE
- Partnership with: John K. DUDMAN
Marriage: 1913, Paddington, , NSW, AUS
Ancestors of Margaret O'BRIEN
/-James A. O'BRIEN
Margaret O'BRIEN
\-Hannah JONES
Descendants of Margaret O'BRIEN
1 Margaret O'BRIEN
=John K. DUDMAN Marriage: 1913, Paddington, , NSW, AUS
Ancestors of Margaret O'BRIEN
/-Dennis O'BRIEN
Margaret O'BRIEN
| /-Michael MCINERNEY
\-Margaret MCINERNEY
| /-Patrick O'BRIEN
\-Johanna O'BRIEN
- Father: John O'BRIEN
- Mother: Bridget Mary HEWET
- Birth: 1862, Goulburn, , NSW, AUS
- Death: 13 Aug 1912, Goulburn, , NSW, AUS
- Burial: Spring Valley, , NSW, AUS
Ancestors of Margaret "Maggie" O'BRIEN
/-Patrick O'BRIEN
/-John O'BRIEN
| \-Mary
Margaret "Maggie" O'BRIEN
| /-Michael HEWITT
\-Bridget Mary HEWET
\-Margaret RYAN
- Death: (Date and Place unknown)
Descendants of Margaret "Peg" O'BRIEN
1 Margaret "Peg" O'BRIEN
=Evan Oakenden ROBERTS Marriage: 1943, Braidwood, , NSW, AUS
Ancestors of Margaret "Una" O'BRIEN
/-Dennis O'BRIEN
/-James Francis O'BRIEN
| | /-Michael MCINERNEY
| \-Margaret MCINERNEY
| \-Johanna O'BRIEN
Margaret "Una" O'BRIEN
| /-Michael LOUGHNAN
| /-Patrick LOUGHNAN
| | \-Catherine MAHER
\-Anastasia "Nance" Ellen LOUGHNAN
| /-William TREACY
\-Sarah Agnes TREACY
\-Eliza Ann MILLS