| Name | Birth/Christening | Death/Burial | Database | Order record? | Other Matches |
| Date | Place | Date | Place |
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| O'Brian, Capt.John | | | | | manifold | | Census Newspapers Histories |
| |
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| O'Brian, Captain John | | | | | williamsged | | Census Newspapers Histories |
| Spouse: Jane Riker |
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| O'Brian, Christopher John | | | | | :3099976 | | Census Newspapers Histories |
| Spouse: Lucy Ann Severe |
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| O'Brian, Christopher John | | | | | danwlind | | Census Newspapers Histories |
| Spouse: Lucy Ann Severe |
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| O'brian, John | | | | | 3236984 | | Census Newspapers Histories |
| Spouse: Mary A. C. Boswell |
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| O'Brian, John | | | | | 6105349 | | Census Newspapers Histories |
| Spouse: Mary A. Rinier |
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| O'Brian, John | | | | | :1231310 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
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| O'Brian, John | | | | | :1617068 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
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| O'Brian, John | | | | | :1628474 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
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| O'Brian, John | | | | | :1631198 | | Census Newspapers Histories |
| Spouse: Edna Taylor |
 |
| O'Brian, John | | | | | :1631256 | | Census Newspapers Histories |
| Spouse: Edna Taylor |
 |
| O'Brian, John | | | | | :1631684 | | Census Newspapers Histories |
| |
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| O'Brian, John | | | | | :1634390 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
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| O'Brian, John | | | | | :1641251 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
 |
| O'Brian, John | | | | | :1641271 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
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| O'BRIAN, John | | | | | :1682110 | | Census Newspapers Histories |
| Spouse: Maybelle Lenora ENIX |
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| O'Brian, John | | | | | :1744377 | | Census Newspapers Histories |
| Father: UNKNOWN O'Brian Mother: Magaret Hamill |
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| O'Brian, John | | | | | :1813980 | | Census Newspapers Histories |
| Spouse: Nancy Minnie |
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| O'Brian, John | | | | | :1858940 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
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| O'Brian, John | | | | | :1901268 | | Census Newspapers Histories |
| Father: John Edward O'Brien Mother: Nancy Obrien |
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