Meaning and Name Origin
Maddox \m(ad)-dox\ as a boys' name is of Anglo Welsh origin, and the meaning of Maddox is "benefactor's son". From "Maddock's son".
Maddox is a rare first name for men but a very popular last name for all people (#752 out of 88799, Top 1%). (2000 U.S. Census)
Displayed below is the birth name popularity of Maddox for boys. Maddox was first listed in 2003 and reached its highest rank of #163 in the U.S. in 2014. (2014 Birth Statistics)