Family name 伊西 (Issie 
, 伊西 
, Ilsey 
) , in the entire world, is quite a common last name. The cognomen 伊西 is characteristic of the Democratic Republic of the Congo, where it is quite a common surname, Australia, where it is a rare surname, and the United Kingdom. Very seldom, 伊西 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Issie | South Africa, Taiwan, United States, Cameroon, Democratic Republic of the Congo |
| 伊西 | China |
| Ilsey | United Kingdom, Mexico, Israel, United States, Brazil |
| Easey | United Kingdom, Australia, United States, Canada, New Zealand |