| Ref # | Year | Day/Mo | Place Died | Name | Y-M-D | Place Born | M/F | Status | Father | Mother | Father Born | Mother Born | Notes | |
| 1568 | 1994 | 1-Apr | Rochester | Obrien, John F | / | / | / | / | Obrien, James R | Hogan, Louise | / | / | ||
| 774 | 1930 | 15-Aug | Strafford | Obrien, William | 59-7-27 | Ayer, MA | M | M | Obrien, James | Scanlan, Mary | Ireland | Groton, MA | ||
| 1338 | 1974 | 14-Jul | Strafford | Obrien, William E | 56 | MA | / | / | Obrien, William | Donovan, Margaret | / | / | ||
| 833 | 1937 | 30-Jul | Strafford | Oleary, L'rence | 30-7-24 | Ft Wayne, IN | M | M | Oleary, James | Cole, Ella | / | / | ||
| 883 | 1942 | 31-Jul | Strafford | Olney, Buna S | 71-5-27 | Lenoxville, PA | F | W | Miller, L J | Severance, Emma | Lenoxville, PA | Lenoxville, PA | ||
| 1561 | 1993 | 22-Aug | Dover | Omand, Robert C | / | / | / | / | Omand, Edwin | Winch, Louise | / | / | ||
| 962 | 1948 | 13-Nov | Strafford | Ordway, Hattie F | 78-5-0 | Gilmanton | F | W | Maxfield, John | Paige, Aphia | Gilmanton | Dorchester | ||
| 1504 | 1988 | 26-Dec | Rochester | Orourke, Bernardine T | / | / | / | / | Mcdonnell, Thomas | Cavanaugh, Margaret | / | / | ||
| 1608 | 1996 | 19-Sep | Strafford | Orourke, James A | / | / | / | / | Orourke, James A Sr | Lucey, Mary | / | / | ||
| 959 | 1948 | 2-Oct | Rochester | Orrs, Alfred Warren | / | Rochester | M | / | Orrs, Harold | Barter, Ruby | Lubec, ME | Richmond, ME | ||
| 1512 | 1989 | 24-Apr | Manchester | Ort, Jeannette L | / | / | / | / | Leonard, Charles | Sparks, Doris | / | / | ||
| 244 | 1898 | 14-Aug | Strafford | Osgood, Jason L | 37-5-22 | SanDown | M | M | Osgood, Samuel D | Lane, Clara O | / | / | ||
| 626 | 1919 | 19-Oct | / | Otis, Abram P | 81-9-19 | Fairfield, ME | M | W | Otis, Abram | Hussey, Lydia | / | / | ||
| 500 | 1911 | 1-Feb | Strafford | Otis, Daniel S | 76-1-8 | Strafford | M | M | Otis, Asa | Sanders, Mercy | Strafford | / | see 1910 | |
| 551 | 1914 | 2-Apr | Strafford | Otis, Edgar S | 62-6-26 | Dover | M | W | Otis, Ezra B | Corson, Mehitable | Dover | Dover | ||
| 542 | 1913 | 29-Jul | Strafford | Otis, Hiram | 71-7-29 | Strafford | M | M | Otis, Nicholas | Leighton, Belinda | Strafford | Ossipee | ||
| 302 | 1900 | 14-Dec | Strafford | Otis, Howard L | 91-2-29 | Rochester | M | W | Otis, Jethro | Howard, Esther | Rochester | Rochester | ||
| 451 | 1908 | 8-Aug | Strafford | Otis, Joshua | 87-7-7 | Strafford | M | W | / | / | / | / | ||
| 381 | 1904 | 21-Sep | Strafford | Otis, Laura M | 39-10-13 | Newmarket | F | M | Sewell, Charles | Lane, Mary | / | Lee | ||
| 510 | 1911 | 12-Sep | Strafford | Otis, Leon R | 0-5-12 | Northwood | M | S | Otis, Walter H | Gallant, Julia M | Strafford | Canada | ||
| 40 | 1889 | 2-Oct | Strafford | Otis, Linda A | 22-9-0 | Barnstead | F | S | Otis, Hiram | Pitman, Sarah A | Strafford | Barnstead | ||
| 253 | 1898 | 16-Jul | Strafford | Otis, Polly | 92-6-21 | Strafford | F | W | Brock, John | Tuttle, Lydia | Strafford | Strafford | ||
| 340 | 1902 | 18-Nov | Strafford | Otis, Sarah | 59-5-5 | Strafford | F | M | Smith, Wheeler | Barden, Martha | ME | ME | ||
| 726 | 1926 | 17-Oct | Strafford | Otis, Sarah C | 92-0-26 | Strafford | F | W | Smith, Ebenezer | Smith, Mary | Barrington | / | ||
| 534 | 1913 | 6-Jan | Strafford | Otis, William F | 62-10-6 | Dover | M | W | Otis, Ezra B | Corson, Mehitable | Dover | Dover | see 1912 | |
| 1151 | 1961 | 5-Dec | Rochester | Oulton, Frank w | 79 | Charlestown, MA | M | M | Oulton, James W | Cole, Cora C | / | / | ||
| 1165 | 1962 | 5-Nov | Rochester | Oulton, Mary C | 72 | Milton | F | W | Meagher, John | Meagher, Mary | / | / |