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Surname meaningSullivan
“Descendant of Súil-dubháin”
OriginIrish
TypePatronymic
First letterS
Where the name Sullivan comes from
Sullivan is a surname of Irish origin. It is classed as patronymic, meaning “descendant of súil-dubháin.” Often said to mean dark-eyed.
Other patronymic surnames
What your last name says about your family →
A surname shows how the name began, not a family line. Many unrelated families share a name, and spellings changed over time.