5 occurrences in 5 dictionaries
Reference: Mehujael
Easton
smitten by God, the son of Irad, and father of Methusael (Ge 4:18).
Hastings
A Cainite (Ge 4:18) (Jahwist), corresponding to Mahalalel of Priestly Narrative's genealogy (Ge 5:12 ff.).
Morish
Mehu'jael
Son of Irad, a descendant of Cain. Ge 4:18.
Smith
Mehu'jael
(smitten by God), the son of Irad, and fourth in descent from Cain.
Ge 4:18