Thomas was born in year 1668 in St Enoder, Cornwall and was baptised on April 7th, 1668. Thomas' father was John Bullock and his mother was Katherin Trethewi. His paternal grandparents were Edmund Bullock and Elizabeth Pearce; his. He was the oldest of five children. He had three brothers and a sister, named John, John, Richard and Elizabeth.
Thomas Bullock 