Quick answer
Moriah is a girl name.
Meaning and history
From Hebrew מֹרִיָה (Moriya) possibly meaning "seen by Yahweh ". This is a place name in the Old Testament, both the land where Abraham is to sacrifice Isaac and the mountain upon which Solomon builds the temple. They may be the same place. Since the 1980s it has occasionally been used as a feminine given name in America.
Notes and context
Usage: english | Ancient Hebrew: מֹרִיָה