Family name Síofra (Síofra 
) , in all the world, is an extremely rare last name. Much more prevalently, Síofra is the forename as well as the last name.
Gray, Gallagher, Kilgallon, Mcdermott, Milne-Corry, O'Connor, Hennessy, Kindregan, Kelleher, Colleran, Quigley, Kennedy, Chonluain, Hendry, Harrington, Driver, Büttner, Cronin, Carlin, Mccomb, Murphy, Frain, Neary, Doyle, Kenny, Sealy, Maher, Finn, Lcoi, Rucker, and Fitzgerald