| Name | Birth/Christening | Death/Burial | Database | Order record? | Other Matches |
| Date | Place | Date | Place |
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| Trefethen, Henry V. | 02 March 1797 | ?, Monhegan Island, Maine, USA | 29 June 1880 | Portland, Cumberland, Maine, USA | lynndavies3 | | Census Newspapers Histories |
| Father: Henry Trefethen Mother: Jemima Starling Spouse: Mary Jane Thompson |
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| Trefethen, Henry W | | | | | :3058435 | | Census Newspapers Histories |
| Spouse: Harriet Fernald |
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| TREFETHEN, Henry W | | | | | rideout2 | | Census Newspapers Histories |
| Spouse: Harriet FERNALD |
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| Trefethen, Henry W. | | | | | debk | | Census Newspapers Histories |
| Spouse: Harriet Fernald |
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| Trefethen, Henry W. | 1827 | Kittery, York, ME | 1888 | Kittery, York, ME | :3226414 | | Census Newspapers Histories |
| Spouse: Harriet Fernald |
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| Trefethen, Henry Warren | 9 Jul 1827 | | 4 May 1888 | | cfuller800 | | Census Newspapers Histories |
| Father: William Trefethen , Jr. Mother: Sarah Brown |
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| Trefethen, James Henry | 14 FEB 1838 | | | | :1158639 | | Census Newspapers Histories |
| Father: George Trefethen Mother: Sarah\Sally\ Thompson |
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| TREFETHEN, James Henry | 14 FEB 1838 | | | | heidi_ho | | Census Newspapers Histories |
| Father: George TREFETHEN Mother: Sarah "Sally" THOMPSON |
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| Trefethen, James Henry | 14 FEB 1838 | | | | traceymichelle | | Census Newspapers Histories |
| Father: George Trefethen Mother: Sarah 'Sally' Thompson |
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| Trefethen, James Henry | 29 Jan 1873 | Cushing, Knox, Maine | 4 Sep 1958 | San Francisco, , California | coyote1 |  | Census Newspapers Histories |
| Spouse: Etta May Barter |
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