Son of Madoc
Maddax is a modern spelling variant of the Welsh name Maddox. It is derived from the Welsh personal name Madoc, which is based on the word 'mad' meaning fortunate or good, combined with a diminutive suffix.
Less common today
Maddax isn't in the latest US Top 1000. It last peaked at #3,130 in 2020.
US births per 5-year period, 1990–present (SSA data).
