Monahan - name meaning and origin

The boy's name Monahan \m(o)-na-han\ is of Irish and Gaelic origin, and its meaning is "monk".

Similar baby names are Mandan, Menahem, Montane, Montana, Munchin and Shanahan.

Monahan is a very rare male first name and a very popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Monahan. Compare Monahan with related baby names.