• Comment: Contains no sources. Utopes (talk / cont) 06:35, 20 September 2024 (UTC)

Ó Sionnaigh (Old Gaelic Mac an t'Sionnaigh]] is a Modern Irish surname that generally belonging to the descents of the chiefs of Tethbae, a sept and notable overkingdom to the Kingdom of Mide. Ó Sionnaigh is most commonly anglesized as Fox, Foxe, Shinnick and Shinnock