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Dillion

Boy · DIL-un · Irish

Dillion is a boys' name of Irish origin. In 2025 it ranked 5,397th for boys in the US (17 babies).

What does Dillion mean?

Irish: spelling of Dillon, an Irish surname of Norman origin

Dillon came to Ireland with the Normans; as a first name it is also treated as a spelling of Dylan.

Say it
DIL-un

Is Dillion a girl's or a boy's name?

Dillion is a boys' name. In 2025, it was given to 17 boys in the US. Too few girls were given it to be listed.

How popular is Dillion in the UK?

No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2008, with 5 boys.

1996Busiest: 5 in 20082015
Dillion in the UK, year by year
YearBoysRank
20153#4,955
20140–
20132#6,127
20121#6,332
20110–
20100–
20094#3,909
20085#3,305
20073#4,486
20064#3,522
20050–
20041#4,870
20030–
20020–
20013#3,255
20000–
19993#3,043
19981#3,884
19973#2,979
19961#3,776

How popular is Dillion in the US?

Rank in 2025
#5,397among boys
Babies in 2025
17about 1 in 100,000 boys
Five-year trend
Fallingdown 40% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 17 boys in the US were named Dillion, making it the 5,397th most popular name for boys. Five years earlier, in 2020, it was 3,915th. Its busiest year was 1992, with 354 boys. It first appears in the records in 1979.

Half of all the boys named Dillion in the US since 1880 were born between 1993 and 2004, the years shaded on the chart below.

In 2025, 6,862 boys in the US were given Dillion or a name that sounds the same. With every name's spellings counted this way, that ranks #40, up from #5,397 for this spelling alone.

1979Busiest: 354 in 19922025
Dillion in the US, year by year
YearBoysRank
202517#5,397
202418#5,237
202317#5,465
202219#5,015
202123#4,358
202026#3,915
201925#4,110
201835#3,237
201723#4,327
201632#3,440
201522#4,405
201437#3,036
201334#3,187
201243#2,771
201136#3,113
201050#2,466
200950#2,527
200860#2,206
200783#1,772
200684#1,684
200598#1,477
2004115#1,290
2003124#1,189
2002121#1,166
2001136#1,058
2000149#991
1999172#878
1998173#842
1997184#795
1996176#815
1995178#800
1994224#695
1993275#620
1992354#539
1991186#743
199079#1,233
198937#1,948
198833#1,944
198732#1,934
198620#2,598
198511#3,802
198410#3,922
19838#4,497
19828#4,591
19815#6,260
19807#4,938
19796#5,353

Names like Dillion

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Dillion

Names related to Dillion

More Irish names