Callen

BoyIrish, Scottish· “uncertain; from a surname”

Meaning
uncertain; from a surname (origin disputed)
Origin
Irish, Scottish
Pronunciation
KA-luhn
Syllables
2
US rank 2025
#516
US babies 2025
579
Best rank
#450 (2023)
Peak year
2023

Meaning and origin of Callen

Callen is often said to mean “uncertain; from a surname”; the origin is uncertain, though it is usually linked to Irish and Scottish roots.

Callen is a variant of Callan, an Irish and Scottish surname of uncertain meaning. It has been linked to Gaelic words meaning "rock" or "noise", and to the given name Cathalán, related to Cathal, but these connections are not certain. As a modern first name Callen fits with other Celtic-sounding choices such as Kellan and Declan, and it has a crisp, contemporary feel. The name is easy to pronounce and spell, and Cal makes a simple nickname. Because its origin is unsettled, it is best chosen for its sound and heritage rather than a fixed meaning.

Other spellings with the same sound: Callan.

Popularity over time

02004006008001960198020002020Peak 2023: 687
US boysUS girls

Callen first appears in US Social Security records in 1954. It has ranked in the top 1,000 in 16 different years, starting in 2010. Its best national rank was #450 in 2023, the same year it reached its highest count of 687 babies. In 2025, 579 babies were named Callen, and it ranked #516 nationally. Its use has been fairly steady over the past decade.

Its national rank moved from #3,161 in 2000, #698 in 2010, and #516 in 2025. Of the 9,501 US boys named Callen since records began, 50% were born in the 2010s, its biggest decade. The 2020s come next, with 3,762 babies.

Other boys' names that peaked around the same time include Asa, Camilo, Rome, Atreus, and Cillian.

Where it is most popular (2025)

In 2025, Callen ranked highest in Wisconsin, Iowa, and Kansas.

StateRank thereBabies
Wisconsin#21129
Iowa#22118
Kansas#30012
Nebraska#3018
Minnesota#30520

Gender, sound and spelling

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

Callen is usually pronounced KA-luhn, with two syllables. It has six letters, starts with C and ends in “-en”. Names that sound the same but are spelled differently include Callan.

Middle names for Callen

A few middle names that flow with Callen: 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 Callen

Similar names

Brayden Boy
BRAY-duhn
“modern form of Braden; salmon” · Irish
#229
Ayden Boy
AY-dihn
“little fire” · American (modern coinage)
#257
Kayden Boy
KAY-dihn
“modern coinage related to Caden” · American (modern coinage)
#135
Caden Boy
KAY-dihn
“modern name; possibly from an Irish surname” · American (modern coinage)
#201
Kaden Boy
KAY-dihn
“modern name; possibly from an Irish surname” · American (modern coinage)
#328
Kaiden Boy
KAY-duhn
“modern form of Caden” · American (modern coinage)
#237
Cayden Boy
KAY-duhn
“modern form of Caden” · American (modern coinage)
#414
Rowen Unisex
ROH-uhn
“little red one; also rowan tree” · Irish
#488
Madden Boy
MA-duhn
“from an Irish surname” · Irish
#676
Aiden Boy
AY-duhn
“little fire” · Irish
#62
Brody Boy
BROH-dee
“from a Scottish and Irish surname” · Scottish
#236
Finley Unisex
FIHN-lee
“fair warrior” · Scottish
#415

Lists that include Callen

Frequently asked questions

What does the name Callen mean?

Callen is often said to mean “uncertain; from a surname”; the origin is uncertain, though it is usually linked to Irish and Scottish roots.

What is the origin of the name Callen?

Callen has Irish and Scottish roots. Callen is a variant of Callan, an Irish and Scottish surname of uncertain meaning.

Is Callen a popular name?

Yes. Callen ranked #516 in the US in 2025, which makes it in the top 1,000.

Is Callen a boy or girl name?

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

How do you pronounce Callen?

Callen is usually pronounced KA-luhn. 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