Updated June 9, 2019 Share: Girl name origins & meanings English : Son of the Lord Girl name variations Maddox Maddox - 5% this year Neutral Common Find out more Maddax Maddax 0 % this year Feminine Rare Find out more Maddee Maddee 0 % this year Feminine Rare Find out more How Popular Is The Name Maddux Family name origins & meanings English (of Welsh origin) : variant of Maddox.