Family: Dr John James O'Brien / Elizabeth Mary “Lizzie” Fitzwilliam (F4761)
m. 9 Apr 1872-
Male
Dr John James O'Brien
Birth 9 Mar 1846 Christening Killaloe 
Death 3 Feb 1889 St Louis, St Louis, MO Burial 6 Feb 1889 Calvary Cemetery, St Louis, MO Marriage 9 Apr 1872 Father Timothy O'Brien | F1269 Group Sheet Mother Anastasia Watson | F1269 Group Sheet
Female
Elizabeth Mary “Lizzie” Fitzwilliam
Birth 16 Sep 1851 Milliken's Bend, Madison, LA Death 16 Jul 1941 St Louis, St Louis, MO Burial 18 Jul 1941 Calvary Cemetery, St Louis, MO Father Thomas L Fitzwilliam | F1264 Group Sheet Mother Elizabeth Mary Watson | F1264 Group Sheet
Female
+ Mary Elizabeth O'Brien
Birth 25 Oct 1874 Central, St Louis, MO Death 12 Dec 1919 Brooklyn, Kings, NY Burial Spouse Henry Fitzwilliam Woods | F4776 Marriage 11 Oct 1899 St Louis, St Louis, MO
Male
+ John Watson O'Brien
Birth 6 Jun 1877 Central, St Louis, MO Death 6 Jul 1951 St Charles, St Charles, MO Burial 9 Jul 1951 Calvary Cemetery, St Louis, MO Spouse Lydia Caroline Veninga | F4777 Marriage 15 Oct 1906 St Louis, St Louis, MO
Female
+ Dorothy Emily O'Brien
Birth 27 Jan 1880 St Louis, St Louis, MO Death 10 Jul 1957 St Louis, St Louis, MO Burial Spouse Ferdinand Aloysius Garesche | F4779 Marriage 14 Nov 1903 St Louis, St Louis, MO
Female
Laura Anastasia O'Brien
Birth 17 Jul 1882 St Louis, St Louis, MO Death 25 May 1960 St Louis, St Louis, MO Burial 27 May 1960 Calvary Cemetery, St Louis, MO
Male
James Butler Jackson O'Brien
Birth 8 Jan 1885 St Louis, St Louis, MO Death 27 Feb 1918 St Louis, St Louis, MO Burial 28 Feb 1918 Calvary Cemetery, St Louis, MO
Male
Frederick Aylmer O'Brien
Birth 16 Nov 1886 St Louis, St Louis, MO Death 31 May 1912 Colorado Springs, El Paso, CO Burial 3 Jun 1912 Calvary Cemetery, St Louis, MO
Female
Rosaline O'Brien
Birth 24 May 1889 St Louis, St Louis, MO Death May 1950 St Louis, St Louis, MO Burial 20 May 1950 Calvary Cemetery, St Louis, MO