Family name St. Aubyn (St. Aubyn 
) , all over the world, is a very rare cognomen. The last name St. Aubyn is characteristic of Canada, where it is an extremely rare surname, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
|---|---|
| St. Aubyn | Canada, United Kingdom, United States |
| james st. aubyn (1783-1862) (b. 1783) |
|
|
| martha st. aubyn (1784-1861) (b. 1784) |
|
|
| robert thomas st. aubyn (1786-1875) (b. 1786) |
|
|
| mary st. aubyn (1787-1852) (b. 1787) |
|
|
| john humphrey st. aubyn English writer (b. 1790) |
|
|
| william john st. aubyn (1794-1877) (b. 1794) |
|
|
| charles john st. aubyn (1798-1801) (b. 1798) |
|
|
| sir edward st. aubyn, 1st bt. (1799-1872) (b. 1799) |
|
|
| catherine st. aubyn (1803-1899) (b. 1803) |
|
|
| richard john st. aubyn (1807-1849) (b. 1807) |
|
|
| thomas john st. aubyn (1811-1846) (b. 1811) |
|
|
| robert john st. aubyn (born 1814) (b. 1814) |
|
|
| william st. john st. aubyn (born 1816) (b. 1816) |
|
|
| frances genobia st. aubyn (born 1817) (b. 1817) |
|
|
| geoffrey st. andrew st. aubyn (born 1820) (b. 1820) |
|