Duffin

Family name origins & meanings

• English : from the Old Norse personal name Dólgfinnr, composed of the elements dólgr ‘wound’, ‘scar’
• Irish : reduced Anglicized form of Gaelic Ó Duibhchinn (see Diffin), Ó Duibhghinn (see Deegan), or perhaps Ó Daimhín (see Devine).