Meaning and Name Origin
Isa \i-sa\ as a boys' name (also used as girls' name Isa) is of Hebrew derivation, and Isa means "laughter; God is salvation". Isa is a variation of Isaac (Hebrew); biblical: the only son of Abraham by his wife Sarah. Isa is also a form of Isaiah (Hebrew); biblical: one of the major prophets and writer of the Book of Isaiah.
Isa is an unusual first name for males but a very prominent surname for all people (#25494 out of 88799, Top 29%). (2000 U.S. Census)
Below is a charted comparison of the popularity of the boy name Isa and corresponding names. Prominent varying forms of Isa (#unlisted) ranked in the Top 1000 are Ike, Isaac (#31 the previous year), Isaak, Isaiah (#48), Isak, Isiah, Issac (#553), Izaiah (#459), Zack and Zak. These boy names reached the peak of their popularity during 1880-1889 and have become much less widespread since, with the forms Ike, Isaak, Isiah and Zack becoming less trendy. Isaac (#31), Isaiah (#48), Issac (#553) and Izaiah (#459) are four of the more contemporarily stylish baby names in this list, with Isaac, Isaiah and Issac undergoing a rekindling in usage. (2014 Birth Statistics)