Maddox is a distinctive girls' name in England & Wales, ranking #4201 in 2025 with 5 recorded births. The name reached its all-time peak in 2020 with 8 births ranking #2843. In 2025, approximately 1 in every 50,656 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.