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“Variant of O'Sullivan — descendant of Súileabhán ('dark-eyed one' (Irish))” — Irish origin
Girl's name · #2410 in the US (2025) · 2020s
Sullivan has appeared in US records since 1993 — best rank #1942 (2024) · 1,442 babies named Sullivan all-time · 1 in 20,000 girls born in 2025.
Appears in 2020-2025 birth records of 6 states. See the full state-by-state map on this page.
Among 29 notable people named Sullivan:
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