Save Type Surname (from location) Usage Portuguese Pronounced Pron. SIE-shush(European Portuguese) SEH-shus(Brazilian Portuguese) SAY-shus(Brazilian Portuguese) [key·IPA] Meaning & History Habitational name from any of various places called Seixas in Galicia, Spain, most likely derived from Galician seixo meaning "pebble, stone" (ultimately from Latin saxum).