Family name Sixson (Sixson 
) , worldwide, is a very rare last name. The family name Sixson is characteristic of Tanzania, where it is a very rare surname, Philippines, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Philippines, Tanzania, and the United States. Much less frequently, Sixson is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sixson | Philippines, United States, Tanzania, Venezuela, India |