Maddox

BoyWelsh· “son of Madoc”

Meaning
son of Madoc
Origin
Welsh
Pronunciation
MA-duhks
Syllables
2
US rank 2025
#210
US babies 2025
1,664
Best rank
#136 (2017)
Peak year
2017

Meaning and origin of Maddox

Maddox is a Welsh name that means “son of Madoc”.

Maddox is a Welsh surname meaning "son of Madoc." Madoc, or Madog, is an old Welsh personal name thought to come from mad, "fortunate" or "good." Madog ap Maredudd was a twelfth-century prince of Powys, and a legendary Prince Madoc is said in later stories to have sailed across the Atlantic long before Columbus. As a first name, Maddox became widely known in the early twenty-first century and quickly gained popularity in the United States. It has a bold, energetic sound with its strong x ending. Mad and Dox are informal nicknames, and the spelling Madox also appears.

Other spellings with the same sound: Maddux.

Popularity over time

01k2k3k4k200020102020Peak 2017: 3,044
US babies named Maddox per year, 1880 to 2025

Maddox first appears in US Social Security records in 1995. It has ranked in the top 1,000 in 23 different years, starting in 2003. Its best national rank was #136 in 2017, the same year it reached its highest count of 3,044 babies. In 2025, 1,664 babies were named Maddox, and it ranked #210 nationally. That is 40% fewer than ten years earlier, so it is becoming less common.

Its national rank moved from #4,952 in 2000, #179 in 2010, and #210 in 2025. Of the 47,119 US boys named Maddox since records began, 54% were born in the 2010s, its biggest decade. The 2020s come next, with 11,843 babies.

Other boys' names that peaked around the same time include Ryker, King, Abraham, Harrison, and Xander.

Where it is most popular (2025)

In 2025, Maddox ranked highest in Vermont, West Virginia, and Wyoming.

StateRank thereBabies
Vermont#757
West Virginia#7824
Wyoming#1115
Mississippi#11528
Maine#13710

Gender, sound and spelling

About 96% of US babies named Maddox over the last 20 years were boys, with a small share of girls.

Maddox is usually pronounced MA-duhks, with two syllables. It has six letters, starts with M and ends in “-ox”. Names that sound the same but are spelled differently include Maddux.

Middle names for Maddox

A few middle names that flow with Maddox: each avoids a matching first letter, a rhyme and a vowel clash where the names meet.

Noah Boy
NOH-uh
“rest, comfort” · Hebrew
#2
William Boy
WIHL-yuhm
“resolute protector” · Germanic
#9
James Boy
JAYMZ
“holder of the heel, supplanter” · English
#6
John Boy
JAHN
“Yahweh is gracious” · Hebrew
#23
Leo Boy
LEE-oh
“lion” · Latin
#19
Rowan Unisex
ROH-uhn
“little red one; rowan tree” · Irish
#59

Sibling names for Maddox

Similar names

Lennox Unisex
LEH-nuhks
“place of elms” · Scottish
#289
Griffin Boy
GRIF-in
“strong lord (from Gruffudd)” · Welsh
#222
Knox Boy
NAHKS
“round hill” · Scottish
#196
Evan Boy
EH-vuhn
“Yahweh is gracious” · Welsh
#153
Gavin Boy
GA-vihn
“uncertain; possibly hawk” · Welsh
#303
Jaxon Boy
JAK-suhn
“son of Jack” · American (modern coinage)
#115
Tristan Boy
TRIS-tihn
“uncertain; from Celtic Drust” · French
#309
Jaxson Boy
JAK-suhn
“son of Jack” · American (modern coinage)
#156
Ryder Boy
RY-dur
“horseman, rider” · English
#133
Greyson Boy
GRAY-suhn
“son of the steward” · English
#149
Braxton Boy
BRAK-stuhn
“Bracca's town” · Old English
#172
Kingston Boy
KIHNG-stuhn
“king's town” · English
#204

Lists that include Maddox

Frequently asked questions

What does the name Maddox mean?

Maddox is a Welsh name that means “son of Madoc”.

What is the origin of the name Maddox?

Maddox has Welsh roots. Maddox is a Welsh surname meaning "son of Madoc." Madoc, or Madog, is an old Welsh personal name thought to come from mad, "fortunate" or "good." Madog ap Maredudd was a twelfth-century prince of Powys, and a legendary Prince Madoc is said in later stories to have sailed across the Atlantic long before Columbus.

Is Maddox a popular name?

Yes. Maddox ranked #210 in the US in 2025, which makes it in the top 1,000.

Is Maddox a boy or girl name?

Maddox is mainly a boy's name. About 96% of US babies named Maddox over the last 20 years were boys, with a small share of girls.

How do you pronounce Maddox?

Maddox is usually pronounced MA-duhks. Stressed syllables are in capital letters.

Popularity figures come from US Social Security card applications (names given to at least five babies in a year, 1880 to 2025). How we source names and meanings