Tīruma

Tīruma (masculine: Tīrums) is a Latvian topographic surname, derived from the Latvian word for "field" (tīrums). Individuals with the surname include:
 * Elīza Cauce (born Tīruma in 1990), Latvian luger
 * Maija Tīruma (born 1983), Latvian luger, sister of Elīza