James was born in December 1799 in Chatteris Cambridge and his baptism took place there on January 24th, 1813. James' father was Thomas Lemon and his mother was Elizabeth Sewell. His maternal grandparents are <Unknown> and <Unknown>. He had three brothers and three sisters, named John, Thomas, William, Ann, Elizabeth and Mary. He was the youngest of the seven children. He died at the age of 20 on May 27th, 1820 in Chatteris Cambridge.