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
Get Sullivan's full report — patron saint, feast day & a portrait — freeQuick — what every Christian parent asks about Sullivan:
How well does Sullivan fit your family?
This page tells you what Sullivan means. The app tells you whether it's right for your baby — scored against your family & your heritage, and your baby's birth details.
Unlock Sullivan's score — free
Six signals — scored for your family & heritage, not in the abstract:
Meaning & origin
Yes — Sullivan is a Christian boy name of English origin, meaning “Dark-eyed, hawk-eyed, from Irish Ó Súilleabháin — súil (eye) + dubh (dark). An Irish clan name suggesting keen perception”.
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.
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.
The patron saint & feast day behind Sullivan
Many Christian names carry a patron saint and a feast day (name day) — a tradition of choosing a name for the saint a child is born near, or one the family holds dear. Sullivan lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Sullivan's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Sullivan's saint & feast day →What does Sullivan's numerology say?
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.
Sullivan's destiny number is 11 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Sullivan's full reading →
Does Sullivan go with your family's names?
Sullivan breaks into 7 sounds: /S-AH-L-IH-V-AH-N/. The real test isn't how it sounds alone — it's how it sounds beside the names already in your family: yours, your partner's, and any brothers or sisters. NameRoot scores that harmony, so Sullivan sits naturally next to a Mum and Dad like Michael & Anna, or a big sister named Gianna — no awkward clashes, no two names that blur together. Hear Sullivan beside your family's names →
Nicknames
Common affectionate forms of Sullivan — useful for everyday family conversation, early childhood, or as standalone given names themselves.
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
Explore more names
Keep exploring names like Sullivan — by tradition, by meaning, or by first letter.
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 tradition, commonly among British, American, European families.
Is Sullivan a Christian name?
Yes. Sullivan is a boy name traditionally used in Christian families, of English origin.
What does Sullivan mean in English?
Sullivan originates from English, where it means "Dark-eyed, hawk-eyed, from Irish Ó Súilleabháin — súil (eye) + dubh (dark). An Irish clan name suggesting keen perception."
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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