Given name
Dillian
“daughter of the waves”·“son of the sea”·“resembling a lion; a faithful man”
Dillian is a variant of Dylan. Interpretations include “daughter of the waves” (Welsh) and “son of the sea” (Welsh). These may reflect different naming traditions. Dillian is a variant of Dillon. One interpretation is “resembling a lion; a faithful man.”
Meaning & origin
What it means
Dillian is a variant of Dylan. Interpretations include “daughter of the waves” (Welsh) and “son of the sea” (Welsh). These may reflect different naming traditions. Dillian is a variant of Dillon. One interpretation is “resembling a lion; a faithful man.”
Explained through its name family
Where it comes from
Dillian is a variant of Dylan. A possible origin is Welsh, although the derivation remains uncertain. Dillian is a variant of Dillon. An origin associated with Dillon is Germanic.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1989. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Dillian through the years
- Babies since 1880
- 610
- 610 boys · 0 girls
- Most popular year
- 1992
- 41 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- −81%
- Cooling
By the numbers
The most recent published U.S. birth count for boys is 5 in 2021. Later missing counts do not mean the name went unused. Its largest published annual count for boys was 41 in 1992. Published U.S. population figures for this spelling include 769 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Dillian’s family of names
Dillian has a related form in Dylan. Dillian has a related form in Dillon.
Inner ring: spellings · outer: nicknames and forms.
Nicknames & forms 2
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 2
The same name written differently, including transliterations into other scripts.
Similar names
If you love Dillian, these share its style, era, origin or sound, from outside its own family.
Colwyn
“from the river” · “from the river in Wales”
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“one who demands entry; of the morning star”
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Diquan
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Dishon
Dishon is a surname.
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Idean
>99% boys
Demetry
>99% boys
Dalonta
>99% boys
Torian
Torian is a surname.
98% boys · 2% girls