Thomas (Tom) Jefferson Ivy, Sr. was the son of Hugh W. Ivy and Martha Jane Carr. Tom married (1) Nancy Hayes and they had 6 children, before she died. Nancy was the daughter of Israel A. Hays (Hayes) and Eliza Louisa Skinner. He married (2) Martha Elizabeth Harger and they had 8 children. Martha was the daughter of George Washington Harger and Laura Roseanna Barry. Tom had one sibling, Sarah Ann Elizabeth Ivey, who married Alonzo Lafayette Hayes, who was the brother of Nancy Hayes, his first wife.