Cognomen Mairosi (Mairosi 
) , globally, is a rare surname. The surname Mairosi is habitual in Zimbabwe, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and South Africa.
| VARIANT | COUNTRY |
|---|---|
| Mairosi | Zimbabwe, United Kingdom, South Africa |
| cosmas mairosi Poet (b. 1977) |
|