Garvey

Garvey and O'Garvey are Irish surnames, derived from the Gaelic "Ó Gairbhith", also spelt "Ó Gairbheith", meaning "descendant of Gairbhith". "Gairbhith" itself means "rough peace".
There are three distinct Ó Gairbhith septs in Ireland: 
The similar name MacGarvey, which derives from the "Mac Gairbhith" sept located in present-day County Donegal, Republic of Ireland, is not usually anglicised as Garvey.