4 occurrences in 4 dictionaries
Reference: Maasiai
Easton
work of Jehovah, one of the priests resident at Jerusalem at the Captivity (1Ch 9:12).
Fausets
Morish
Maasia'i
Son of Adiel, a priest. 1Ch 9:12.
Smith
Ma-asi'ai
(work of the Lord), a priest who after the return from Babylon dwelt in Jerusalem.