Eilis comes from the Modern American tradition, meaning Irish name meaning "God is my oath.".
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How popular is Eilis?
2018peak year
The name Eilis reached its peak in 2018, with 20 registrations (ranked #6090). It first surfaced in U.S. records in 1990, roughly 28 years before its peak. Since the peak, the name has eased to well outside the top 1,000 (around #10212) today, averaging about 12 new babies per year. Eilis has been declining in recent years. Across all years on record, approximately 254 American babies have carried this name.
Year-by-year registrations1880–2024 · U.S. Social Security data
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