Maddox is a distinctive girls' name in United States, ranking #2635 in 2025 with 66 recorded births. The name reached its all-time peak in 2016 with 120 births ranking #1739. In 2025, approximately 1 in every 24,353 girls born was named Maddox. FALLING Recent data shows the name is currently falling.
Maddox comes from a Welsh surname meaning son of Madoc. It has a bold, modern feel but is built on older Welsh roots.
The name entered wider first-name use through the modern trend for surnames as given names. Its strong sound helped it rise quickly in English-speaking countries.