Knox

BoyScottish, Old English· “round hill”

Meaning
round hill
Origin
Scottish, Old English
Pronunciation
NAHKS
Syllables
1
US rank 2025
#196
US babies 2025
1,836
Best rank
#196 (2025)
Peak year
2022

Meaning and origin of Knox

Knox is a Scottish and Old English name that means “round hill”.

Knox is a Scottish surname from the Old English cnocc, meaning a round hill or knoll, originally given to someone who lived by such a hill. Its most famous bearer is John Knox, the leader of the Protestant Reformation in Scotland. In the United States, Fort Knox, named for the Revolutionary War general Henry Knox, gives the name a sense of strength and security. As a first name Knox is bold and compact, with its silent k and final x making it visually distinctive. It sits well with other short, strong names such as Jett and Beck.

Popularity over time

06251.2k1.9k2.5k1900192019401960198020002020Peak 2022: 1,902
US babies named Knox per year, 1880 to 2025

Knox first appears in US Social Security records in 1881. It has ranked in the top 1,000 in 19 different years, starting in 1881. Its best national rank was #196 in 2025, and the most babies received it in 2022, when 1,902 were named Knox. In 2025, 1,836 babies were named Knox, and it ranked #196 nationally. That is 31% more than ten years earlier, so it is clearly on the rise.

Its national rank moved from #2,096 in 1920, #2,507 in 1950, #3,712 in 2000, #459 in 2010, and #196 in 2025. Of the 24,142 US boys named Knox since records began, 50% were born in the 2010s, its biggest decade. The 2020s come next, with 10,494 babies.

Other boys' names that peaked around the same time include Griffin, Adonis, Judah, Nash, and Messiah.

Where it is most popular (2025)

In 2025, Knox ranked highest in Nebraska, Iowa, and Idaho.

StateRank thereBabies
Nebraska#5340
Iowa#7843
Idaho#7829
Arkansas#8039
Wyoming#806

Gender, sound and spelling

About 99% of US babies named Knox over the last 20 years were boys, with a small share of girls.

Knox is usually pronounced NAHKS, with one syllable. It has four letters, starts with K and ends in “-ox”.

Middle names for Knox

A few middle names that flow with Knox: 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 Knox

Similar names

Reid Boy
REED
“red, red-haired” · Scottish
#293
Lennox Unisex
LEH-nuhks
“place of elms” · Scottish
#289
Colt Boy
KOHLT
“young horse” · English
#285
Tate Boy
TAYT
“from an Old English personal name” · English
#194
Cade Boy
KAYD
“from an English surname; round, lumpy” · English
#248
Drake Boy
DRAYK
“dragon” · English
#827
Brock Boy
BRAHK
“badger” · English
#810
Fox Boy
FAHKS
“fox” · English
#1,411
Maddox Boy
MA-duhks
“son of Madoc” · Welsh
#210
Mack Boy
MAK
“son of” · Scottish
#463
Slade Boy
SLAYD
“valley” · English
#1,055
Graeme Boy
GRAY-uhm
“gravelly homestead” · Scottish
#3,980

Lists that include Knox

Frequently asked questions

What does the name Knox mean?

Knox is a Scottish and Old English name that means “round hill”.

What is the origin of the name Knox?

Knox has Scottish and Old English roots. Knox is a Scottish surname from the Old English cnocc, meaning a round hill or knoll, originally given to someone who lived by such a hill.

Is Knox a popular name?

Yes. Knox ranked #196 in the US in 2025, which makes it in the top 1,000.

Is Knox a boy or girl name?

Knox is mainly a boy's name. About 99% of US babies named Knox over the last 20 years were boys, with a small share of girls.

How do you pronounce Knox?

Knox is usually pronounced NAHKS. 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