| Father | Male O'BRIEN Patrick (1823) |
| Born | 1823 | Dublin, Dublin, Ireland |
| Died | 1882 | , Douglas, Colorado |
| Buried | ||
| Married | 1851 | , , Pennsylvania, USA |
| Father | O'BRIEN Thomas (est 1799) | F7011009 Group Sheet | |
| Mother | MORIARTY Catherine ( ) | F7011009 Group Sheet | |
| Mother | Female CONNOLLY Eleanor (1832) |
| Born | Jan 1832 | Shryne and Rathfeigh, Meath, Ireland |
| Died | Abt 1920 | Pueblo, Pueblo, Colorado, USA |
| Buried | ||
| Father | CONNOLLY William ( ) | F7011008 Group Sheet | |
| Mother | HANLON Bridget ( ) | F7011008 Group Sheet | |
| Child 1 | Male O'BRIEN Thomas (1852), LZ1N-8Y3 |
| Born | 1852 | , , Pennsylvania, United States |
| Died | ||
| Buried |
| Child 3 | Female O'BRIEN Mary (1855) |
| Born | 1855 | , , Pennsylvania |
| Christened | |
|
| Died | 1855 | , , Pennsylvania |
| Buried |
| Child 4 | Male + O'BRIEN James H. (1858) |
| Born | 8 Apr 1858 | , , Pennsylvania |
| Died | 1903 | Pueblo, Pueblo, Colorado |
| Buried | Mount Olivet Cemetery, Woodmen of the World Burials, Wheat Ridge, Jefferson, Colorado, United States |
|
| Spouse | HANSON (HANSDATTER) Mary (1869) (Ane' Marie), K8QD-FW5 | F7007890 (Civil (perhaps in the Catholic Church)) | |
| Married | 25 Aug 1887 | Salt Lake City, Salt Lake, Utah, USA |
| Child 5 | Male + O'BRIEN William E. (1860), LZ1N-DXX |
| Born | 2 Feb 1860 | Lock Haven, Clinton, Pennsylvania, USA |
| Died | 2 Oct 1945 | Bend, Deschutes, Oregon, USA |
| Buried | ||
| Spouse | MANHART Clara B. (1868), KPSV-BNT | F7010045 | |
| Married | 23 Nov 1887 | Denver, , Colorado |
| Child 7 | Female + O'BRIEN Elizabeth (1863) |
| Born | 1863 | |
| Died | 1910 | |
| Buried | ||
| Spouse | SMITH Hugh | F7011105 | |
| Married | ||
| Child 8 | Male O'BRIEN Patrick Jr. (1865), LZ1M-6M2 |
| Born | 1865 | , , Pennsylvania, United States |
| Died | ||
| Buried |
| Child 9 | Female O'BRIEN Agnes (1873), LZ1V-CTG |
| Born | Jul 1873 | Summit, Crawford Pennsylvania, United States |
| Died | |
|
| Buried | ||
| Spouse | MCDONALD A J (1862) | F7010874 | |
| Married | Abt 1898 | |