Surname 马西 (Marcey 
, Massey 
, 马西 
) , in the entire world, is a common family name. The surname 马西 is characteristic of Isle of Man, where it is quite a common surname, the United States, and the United Kingdom (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and India. Very seldom, 马西 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcey | Cuba, Mexico, India, Canada, United States |
| Massey | Australia, India, Canada, United States, United Kingdom |
| 马西 | China |
| Mussey | Ghana, India, Canada, United States, United Kingdom |