Ó Troighthigh
Ó Troighthigh (in English: Troy; O'Trohy, Trehy) is a Gaelic-Irish surname, meaning descendant of foot-soldier. == Naming conventions == == History == The Uí Troighthigh were associated with the Kingdom of Corco Modhruadh, an area that was coextensive with the diocese of Kilfenora.