Michael O'Connor came to Australia with his parents, Patrick O'Connor and Mary Palmer. The family left Plymouth as immigrants, bound for Australia on board the ship 'ALFRED' on the 24 October 1851. Michael had three siblings with on this voyage. They were John, Gerald and Sophia. Three more were born after their arrival in Australia. They were Mary, Jane and James.
The ship arrived here on the 29 January 1842 and the O'Connors went to the Hunter Valley and took up farming at Old Bank, Paterson, New South Wales.
On the 24 August 1866, Michael married Mary Ann O'Neill, daughter of Patrick O'Neill and Susan Hannah, at Clarence Town, New South Wales. They moved to Harwood Island, New South Wales, where they began cane growing.
Michael and Mary Ann had seven children.
Mary Ann died on the 17 December 1880 at Harwood Island, New South Wales. She is buried at The Romam Catholic cemetery section at Maclean, New South Wales. Michael died on the 4 March 1919 at Murwillumbah, New South Wales. He is buried at the General Cemetery there.
After Mary Ann's death the family was cared for by Sophia.