Given name & surname · also Germanic

Dillon

“resembling a lion; a faithful man”

Dillon is used as a given name and a surname. One interpretation is “resembling a lion; a faithful man.”

Meaning & origin

What it means

One interpretation is “resembling a lion; a faithful man.”

Where it comes from

An origin associated with this spelling is Germanic.

How it developed

From Breton Leon, from Norman Léon.

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1892. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Dillon through the years

Babies since 1880
66,270
65,225 boys · 1,045 girls
Most popular year
1992
5,082 babies
2025
294
#930 for boys · #3,658 for girls
2021–25 vs 2016–20
−31%
Easing
Boys Girls
01,0002,0003,0001900192019401960198020002025Highest share 1992Boys 148Girls 26
Dillon in U.S. Social Security birth records, 1892–2025, per million births of each sex. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Boys, girls and both

The balance of boys and girls given this name has shifted over time. Recent births are 89% boys.

Boys Girls
0%50%100%1900192019401960198020002020
Five-year rolling share of U.S. births. Blank stretches had too few births to read.

Where it’s given

Most at home inWest Virginia, Louisiana, Oregon
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: West Virginia (5), Louisiana (10), Oregon (6), Connecticut (5), Maryland (8).

By the numbers

In 2025, this name appeared in 253 U.S. birth records for boys, ranking No. 930 among boys’ names. Average annual use for boys was 34.4% lower in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 5,062 in 1992. It also appeared in 41 birth records for girls in 2025. In 2025, California had the largest reported state-level birth count for boys with this name (27). Published U.S. population figures for this spelling include 57,539 as a first name in 2020; 47,767 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Dillon’s family of names

Dillon has an alternative spelling in Dylan. Dillon has a related form in Dylan. Dillon has a related form in Dillan.

Walk Dillon’s family in the name graph

DillonDyllonDylanDilanDillanDillionDillianDilynDilonDillynDillinDillenDillDilenDilinDilunDellon

Inner ring: spellings · middle: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

Across languages 1

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Dillon, these share its style, era, origin or sound, from outside its own family.

Scottish · Celtic

Cameron

“crooked nose”

84CommonEasing

90% boys · 10% girls

English · Celtic

Grant

“large” · “a tall man; a great man”

70CommonEasing

>99% boys

Gaelic · Celtic

Logan

“from the hollow” · “from the little hollow”

86Very commonCooling

91% boys · 9% girls

Welsh · Celtic

Rhys

“ardour” · “having great enthusiasm for life”

63FamiliarRising

95% boys · 5% girls

English · Celtic

Graham

“from the gravelled area; from the gray home”

78CommonRising

>99% boys

Gaelic · Royal

Ryan

“the little ruler; little king”

81CommonCooling

90% boys · 10% girls

Irish or Scottish Gaelic · Saints

Duncan

“a dark warrior”

46UncommonSteady

>99% boys

Irish · Celtic

Aidan

“one who is fiery; little fire” · “a fiery young man”

66FamiliarEasing

99% boys · 1% girls

Sibling ideas

Names that share Dillon’s feel without repeating its first letter or rhyming with it.

A brother for Dillon

A sister for Dillon