Try the surname Ridgway; they married into the Cadd Family & quite a lot of them migrated to the districts of Clyde, Cranbourne, Ballarat etc.William, Ann and family migrated to South Australia in 1847 aboard the 'Mariner' and then on to Victoria in the "Lysander" which sailed from Adelaide on 21 Feb 1852. Several Ridgway decendents buried in Cranbourne Cemetery. My Mother was Edith Florence CADD who migrated from New Zealand in the mid-1930's to Australia (NSW)having been born in Hackney, London in 1896. Her Father was Henry John CADD, Mother Jennie Eliz. WEST.