Of English origin.
From an English surname which meant “boar friend”.
The name Irwin derives from an Old English name no longer in use “Eoforwine”.
Eoforwine was the combination of two Old English elements: “eofor”, meaning boar, and “wine”, meaning friend.
Other forms of the name are: Irvin, Erwinn, Erwyn.
Famous bearers are Irwin Shaw, Irwin Goodman, Irwin Allen, Irwin Caplan, Irwin Thomas, Irwin Corey.