Castle Street Lower . Mrs. Marcella O'Callaghan, born 1865, widow, shopkeeper, living 23 Castle Street Upper . Deirdre Flanagan remembers a connection with O'Callaghan of Mallow , Co.Cork. Possibly some connection with Mallow Castle, Mallow, Co.Cork. This was seat of the Jephson (also Jephson-Norreys) family. See [Irish Country Houses] . See