Mary Ellen Lahey
1881 - 1963 (82 years)(
= Descendancy chart to this point, 
= Expand, 
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- 1 Mary Ellen Lahey [1] b. 1881 d. 1963
- James O'Brien b. 1879 d. 1935
- 2 Richard O'Brien [1.1] b. 1913 d. 1977
- Mary Kavanagh b. 1911 d. 2000
- 3 Edward O'Brien [1.1.1]
- 3 Edward O'Brien [1.1.1]
- 2 Marie O'Brien [1.2]
- 2 Madeline O'Brien [1.3]
- John Cantwell
- 3 John Cantwell [1.3.1]
- 3 James Cantwell [1.3.2]
- 3 John Cantwell [1.3.1]
- 2 Kitty Kate O'Brien [1.4] b. 1908
- 2 Thomas Patrick O'Brien [1.5] b. 21 Apr 1910 d. 8 Dec 1988
- Margaret Mary Kavanagh b. 5 Mar 1916 d. 10 Jul 2014
- 3 Ellen O'Brien [1.5.1]
- 3 Rita O'Brien [1.5.2]
- 3 Mary O'Brien [1.5.3]
- 3 Catherine Mary O'Brien [1.5.4] b. 6 Apr 1958 d. 8 May 2010
- 3 Patricia Mary O'Brien [1.5.5] b. 13 Jul 1949 d. 6 May 2012
- 3 James O'Brien [1.5.6]
- 3 William O'Brien [1.5.7]
- 3 Margaret O'Brien [1.5.8]
- + Joseph Kavanagh d. 2007
- + Joseph Kavanagh d. 2007
- 3 Thomas O'Brien [1.5.9]
- 3 Kevin O'Brien [1.5.10]
- 3 Richard O'Brien [1.5.11]
- 3 Michael O'Brien [1.5.12]
- + Cindy ??
- + Cindy ??
- 3 Jean O'Brien [1.5.13]
- 3 Patrick O'Brien [1.5.14]
- + Judy ??
- + Judy ??
- 3 Marie O'Brien [1.5.15]
- 3 John O'Brien [1.5.16]
- 3 Ellen O'Brien [1.5.1]
- 2 Mary Ellen O'Brien [1.6] b. 10 May 1911
- 2 Josephine Johanna O'Brien [1.7]
- 2 Richard Joseph O'Brien [1.8]
- 2 Richard O'Brien [1.1]