Maddox
Maddox was the 210th most popular name for boys in 2025, given to 1,664 babies. Its best year was 2017, when it ranked 136th with 3,044 babies. Over the last ten years it has moved down 62 places. More babies were named Maddox in the 2010s than in any other decade.
Meaning son of Madog (Welsh surname) · Welsh
Say it MAD-uhks /ˈmædəks/
- Rank in 2025
- #210 boys, down 40 places since 2020
- Babies in 2025
- 1,664boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 20173,044 babies
- Total since 1880
- 48,944babies recorded
What does the name Maddox mean?
Maddox is a Welsh surname meaning 'son of Madog'. Wiktionary derives it from Welsh Madog, and Wikipedia says Madoc means 'fortunate', from the Welsh word mad, 'good'. Madog was a common medieval Welsh name, and a legendary Welsh prince Madoc was said to have sailed to America centuries before Columbus. As a first name Maddox is a recent American transfer from the surname.
Madog (Welsh, “personal name”)mad (Welsh, “good, fortunate”)
How sure is this? Probable. 'Son of Madog' is clear; the 'fortunate' gloss of Madog comes from one source.
Related names: Maddux, Madoc, Madog.
See also: Welsh names.
Sources for this meaning
- Wiktionary, entry 'Maddox', Wiktionary (Wikimedia Foundation); facts restated, no text reused
- Wikipedia, 'Maddox (given name)', Wikipedia (Wikimedia Foundation); facts restated, no text reused
- Wikipedia, 'Madoc', Wikipedia (Wikimedia Foundation); facts restated, no text reused
Maddox popularity since 1880
A few girls are given the name too: 1,825 since 1999, 66 in 2025.
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #210 | 1,664 |
| 2020 | #170 | 2,293 |
| 2010 | #179 | 2,108 |
| 2000 | #4,952 | 15 |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Maddox, counting every spelling?
Maddox is the most common spelling of a name family that ranked #216 for boys in 2025 once every spelling is counted together, compared with #210 for Maddox on its own. Together these spellings went to 1,790 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Maddox | 1,664 | #210 | 9,550 |
| Maddux | 113 | #1,533 | 709 |
| Maddoxx | 7 | #10,298 | 36 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Maddox?
1,664 of the 3,606,400 babies born in the US in 2025 were named Maddox (0.46 per 1,000 births). For a boy named Maddox born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 5 (of 430 pupils) would have a child named Maddox.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Maddox?
About 46,700 people born in the US named Maddox are alive today, with a median age of 11; half are between 6 and 15. That makes Maddox a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Maddox by state
How common Maddox was among boys born in each state in 2021–2025. It is notably more common than nationally in Wyoming (3.8×), Vermont (3.6×), West Virginia (3.2×), Arkansas (2.2×), Maine (2.1×). It is least common, relative to the national rate, in Alaska, New Jersey, New York.
Names with a similar history
These names rose and fell in step with Maddox: their share of US boys followed the most similar curve since 1880. If you like Maddox, they share its era and feel.
Middle names for Maddox · Sibling names for Maddox
Questions about the name Maddox
What does Maddox mean?
Maddox means “son of Madog (Welsh surname)” (Welsh origin). Certainty: probable.
How popular is the name Maddox?
Maddox was the 210th most popular name for boys in 2025, given to 1,664 babies. Its best year was 2017, when it ranked 136th with 3,044 babies. Over the last ten years it has moved down 62 places. More babies were named Maddox in the 2010s than in any other decade.
Is Maddox a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Maddox in the US.
Where is Maddox most popular?
In 2021–2025, Maddox was most common in Wyoming (4.15 per 1,000 boys), followed by Vermont and West Virginia.