James Cornelius O'KEEFFE married Margaret MAGUIRE c 1840 Known children of that marriage 1. Mary Ann (Maria) O'KEEFFE b 11 Jan 1845, Watergrass, Cork, Ireland 2. Louisa O'KEEFFE b unknown 3. William O'KEEFFE b unknown. Mary Ann (Maria) m 1. Andrew WALKER 12 March 1867 Victoria, Australia 2. Matthew CARDIFF 1905 Victoria, Australia. Please make contact if you connect or can offer information. Thankyou Chris Bryce (Qld, Aus)