Isabella was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Charles McCreath, who she married on 19 JUL 1836 in Barony,Glasgow. Their six known children were Isabella Bowman (1837-1889), Thomas (1838-1899), Ann (1842-?), Charles (1844-1869), Janet (1846-?) and Margaret (1848-?).