Family name Сирмайс (Сирмайс 
, Sirmais 
) , in the entire world, is a rare last name. The last name Сирмайс is characteristic of Latvia, where it is quite a common surname, Estonia, where it is a rare surname, and Russia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Latvia, Russia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Сирмайс | Ukraine, Russia |
| Sirmais | Russia, United Kingdom, Latvia, Estonia, Australia |