Renehan Family History
Renehan Surname Meaning
Irish: shortened Anglicized form of Gaelic Ó Reannacháin ‘descendant of Reannachán’ from a diminutive of reannach ‘sharp-pointed’ or ‘starry’.
The name is also occasionally translated into English as Ferns (see Fearn) due to similarity with Irish raithneach ‘fern’.
Compare McGranahan.
Source: Dictionary of American Family Names 2nd edition, 2022
