Meaning and Name Origin
Tatum \t(a)-tum\ as a girls' 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 prominent first name for women (#3294 out of 4276, Top 77%) and an even more prominent surname for both adults and children (#1083 out of 88799, Top 1%). (2000 U.S. Census)
Shown below is the baby name popularity of Tatum for girls. Tatum entered the list in 1994 and reached its peak position of #329 in the U.S. in the year 2012, and is currently at #392. (2014 Birth Statistics)