Meaning and name origin
Tatum \t(a)-tum\ as a girl's name is of Old English origin, and the meaning of Tatum is "Tata's homestead". Also possibly "light-hearted". Surname sometimes used as a girl's name, due to actress Tatum O'Neil.
Tatum is a somewhat popular first name for females (#3294 out of 4276, Top 77%) and an even more popular surname or last name for all people (#1083 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Tatum for girls (2014 statistics).