Cognomen Sirmis (Sirmis 
) , worldwide, is a very rare last name. The cognomen Sirmis is characteristic of Greece, where it is a rare surname, and Canada, where it is a very rare surname. Much less frequently, Sirmis is the forename as well as the last name.
Peter, Danny, Nikos, Laurie, Jurgis, Michael, Antreas, Panagiotis, and Konstantinos