| OAKES | ||
| Letha Hazel | born 25 Nov 1923 | |
| OAKEY | ||
| Sarah | ||
| OCABA | ||
| Edna Marie | ||
| O'COCHRAN | ||
| Sarah | born 30 Oct 1815 | died 21 Dec 1888 |
| ODDING | ||
| Sarah | born 5 Feb 1609 | died 5 Feb 1681 |
| O'DELL | ||
| Hannah | born 20 Oct 1679 | died 14 Jun 1756 |
| John | born 12 Jul 1642 | died 1707 |
| Mary | ||
| O'FIELDER | ||
| Elbert | ||
| O'HARE | ||
| Edward | ||
| Sara | born Feb | |
| OLLOM | ||
| Christopher | born 18 Nov 1970 | |
| Hunter Christian | born 1 Jul 1998 | |
| Kaitlyn Grale | born 1 Aug 1993 | |
| OLMSTEAD | ||
| Sarah | born 1655 | |
| OLNEY | ||
| Margaret | born 1426 | |
| Robert | born 1394 | |
| O'NEILL | ||
| James | ||
| OSBORNE | ||
| Alvin | ||
| Franklin E. | ||
| Leila S. | born 16 Jul 1899 | |
| OTIS | ||
| Mary | born 1651 | died 1732 |
| OVERN | ||
| Martha | born 10 Dec 1881 | died Jun 1968 |
| OVERTON | ||
| Catherine | born 1600 | |
| Clement | born 1534 | |
| Cutler Guthlac | born 1496 | died 20 Apr 1536 |
| Edward | born 1530 | |
| Elizabeth | born 1600 | died 1646 |
| Harry | ||
| Isabel | born 1528 | |
| John | born 1385 | |
| John | born 1540 | |
| Katherine | born 1522 | |
| Martha | born 1538 | |
| Mary | born 1526 | |
| Rose | born 1524 | died 17 Jun 1579 |
| Thomas | born 1402 | |
| Valentine | born 1567 | died 1647 |
| William | ||
| William | born 1532 | |
| William | born 1455 | died 2 Jun 1486 |
| William | born 1532 | |
| OWENS | ||
| Aaron | born 1696 | |
| Ann | born 1753 | |
| Ann | born 9 Nov 1683 | |
| Caleb | born 1692 | died 1772 |
| Charity | born 1749 | |
| Ebenezer | born 1710 | died 1759 |
| Ebenezer | born 1736 | |
| George | ||
| George | born 1716 | |
| Jonathan | born 1671 | died 1750 |
| Jonathan | born 1747 | died 21 Aug 1814 |
| Jonathan | born 1708 | died 1759 |
| Joseph | born 29 Jan 1685 | died 29 Sep 1759 |
| Joshua | born 1692 | died 1769 |
| Julianna | born 1755 | |
| Keturah | born 1751 | |
| Nathaniel | born 1742 | |
| Nathaniel | born 1712 | died 1763 |
| Ruth | born 1718 | |
| Temperance | born 20 Apr 1745 | died 19 Apr 1849 |
| William | born 8 Apr 1740 | died 17 Oct 1805 |