Sullivan
/S-AH-L-IH-V-AH-N/
Dark-eyed, hawk-eyed, from Irish Ó Súilleabháin — súil (eye) + dubh (dark). An Irish clan name suggesting keen perception
See Sullivan scored for your familyMeaning & origin
Sullivan is a boy's name of English origin, traditionally used in Christian families. The name means "Dark-eyed, hawk-eyed, from Irish Ó Súilleabháin — súil (eye) + dubh (dark). An Irish clan name suggesting keen perception" and belongs to the Wisdom cluster — names meaning knowledge, insight, and thoughtful presence.
Beyond its Christian heritage, Sullivan is also used in Atheist traditions, reflecting how this name has traveled across cultures.
Common among British, American, European families, Sullivan carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
Numerology of Sullivan
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Sullivan resonates in either tradition.
How Sullivan sounds
NameRoot scores the phonetic fit of every name against the sound of your last name. The pronunciation of Sullivan breaks down into 7 phonemes: /S-AH-L-IH-V-AH-N/. In the app, you'll see how those sounds flow with your family name across rhythm, stress, and consonant clusters.
Nicknames
Common affectionate forms of Sullivan — useful for everyday family conversation, early childhood, or as standalone given names themselves.
The six signals, applied to Sullivan
NameRoot scores every name across six independent dimensions. Here's how Sullivan maps to each — install the app to see the full compatibility score for your specific family.
Names similar to Sullivan
If Sullivan resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in British families
Sharing the same meaning
Other Christian boy names from the Wisdom cluster
Names that sound similar
Christian boy names that open with the same syllables as Sullivan
Common questions about Sullivan
What does the name Sullivan mean?
Sullivan means "Dark-eyed, hawk-eyed, from Irish Ó Súilleabháin — súil (eye) + dubh (dark). An Irish clan name suggesting keen perception." It is a boy name of English origin, traditionally used in Christian families.
Is Sullivan a boy or girl name?
Sullivan is most commonly used as a boy name.
What is the origin of the name Sullivan?
Sullivan is of English origin, used in Christian, Atheist traditions, commonly among British, American, European families.
What are common nicknames for Sullivan?
Common short forms of Sullivan include Suli, Sull.
What is the numerology of Sullivan?
Sullivan has a Pythagorean destiny number of 11 — intuition and inspired leadership (master number).
See how Sullivan scores for your family
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