The name Benajah is a boy's name of Hebrew origin. Benajah and is often added to lists like Colonial Names for Boys and discussed in our forums with posts like "Harry Potter themed CAF - PART 3/3".
From the experts:
Benajah, the name of several minor Old Testament figures, is also written as Benaiah. Benajah might make a great Benjamin update or name for the son of a builder or architect.