| Name | Birth/Christening | Death/Burial | Database | Order record? | Other Matches |
| Date | Place | Date | Place |
 |
| O'Neil, * Francis " Frank" Joseph John | 31 JAN 1906 | San Francisco, California | 5 OCT 1995 | Orange Park, Clay County, Florida | vcraddick1 |  | Census Newspapers Histories |
| Father: * Michael Henry O'Neil Mother: * Anna Eliza Cottrell Spouses: Helen (Francis O'Neil), * Vivian Ruth Miller |
 |
| O'Neil, * John | 1820 | Ireland (southern) | AFT 1880 | California | vcraddick1 | | Census Newspapers Histories |
| Spouse: * Mary (J. O'Neil) |
 |
| O'Neil, ?John | | | | | :984102 | | Census Newspapers Histories |
| Spouse: Felixena "Sis" Phelps |
 |
| O'Neil, ?John | | | | | :984111 | | Census Newspapers Histories |
| Spouse: Felixena "Sis" Phelps |
 |
| O'NEIL, Albert John James | 1888 | | | | greg_cooper | | Census Newspapers Histories |
| Father: Alfred Wiliam O'NEIL Mother: Lizzie GOUDIE Spouse: Lillian KIRBY |
 |
| O'NEIL, Arthur John | ABT 1748 | Upper Merion, Philadelphia, Pennsylvania | 1812 | West Caln, Chester County, PA | samsloan | | Census Newspapers Histories |
| Spouse: Mary MATSON |
 |
| O'NEIL, Arthur John | ABT 1748 | Upper Merion, Philadelphia, Pennsylvania | 1812 | West Caln, Chester County, PA | sloanbig | | Census Newspapers Histories |
| Spouse: Mary MATSON |
 |
| O'Neil, Arthur St John | | | | | ross_family | | Census Newspapers Histories |
| Spouse: Christina Thompson Kenley |
 |
| O'Neil, Arthur St John | | At Sea | | | gjlrckhs | | Census Newspapers Histories |
| Spouse: Christina Thompson Kenley |
 |
| O'Neil, Charles John | | | DEC | | markingtime | | Census Newspapers Histories |
| Spouse: Mary Ann Richie |
 |
| O'Neil, Charles John | Abt 1866 | Belfast,Ireland | 25 SEP 1931 | Maromaku,Bay of Islands,New ZEaland | markingtime | | Census Newspapers Histories |
| Father: Charles John O'Neil Mother: Mary Ann Richie Spouse: Millicent Costello |
 |
| O'Neil, Daniel John | 27 APR 1885 | Franklin Co, NY | 19 SEP 1972 | Utica, Madison, NY | ldeachus |  | Census Newspapers Histories |
| Father: John O'Neil Mother: Bridget Keese |
 |
| O'Neil, David (John?) | Abt 1830-1835 | Ireland or UK? | 1906 age 71? | South Melbourne, Victoria, Australia? | marycotter | | Census Newspapers Histories |
| Spouse: Eleanor or Elliner or Helena 'Ellen' Webb |
 |
| O'Neil, David John | 1866 | Canada | 1937 | | 27894 | | Census Newspapers Histories |
| Father: John O'Neil Mother: Elizabeth Mulcahy Spouse: Elizabeth |
 |
| O'Neil, Elvis John | 27 Feb 1945 | San Bernardino, CA | alive | Graham, NC | kevinomreb |  | Census Newspapers Histories |
| Father: Elvis O'Neil Mother: Erma Jewell McDonald |
 |
| O'Neil, Francis John | 31 AUG 1908 | | 10 FEB 1974 | Delavan, MN. | kin518 | | Census Newspapers Histories |
| Father: Dennis O'Neil Mother: Anna Hines |
 |
| O'Neil, Francis John | 5 JUN 1916 | LOWELL, MA | 15 JUN 1916 | | sussanplante |  | Census Newspapers Histories |
| Father: John Joseph O'Neil Mother: Elizabeth Mary Drain |
 |
| O'Neil, Frederick John | 1905 | Hobart, TAS | 22 Aug 1972 | Cobram, VIC | monaropioneers | | Census Newspapers Histories |
| Spouse: Ruth May White |
 |
| O'Neil, Garfield John | | | | | updike | | Census Newspapers Histories |
| |
 |
| O'Neil, George John | 1/9/1869 | Sandwich South, Ontario, Canada | 6/18/1939 | Essex County, Ontario, Canada | :971865 | | Census Newspapers Histories |
| Father: Alexander O'Neil (3rd) Mother: Barbara Vollans Spouse: Ada Grace Webb |
 |