Cognomen Abcumby (Abcumby 
) , in all the world, is a very rare family name. The last name Abcumby is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much less frequently, Abcumby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Abcumby | United States |