Girls' name · since 2009
Kaylii
26 babies named Kaylii in U.S. Social Security records since 2009, with the highest year being 2009. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #42,749 of 72,339
- all-time among girls
- 26
- born since 2009
- 2010s
- peak decade
26 girls have been named Kaylii since 2009, though it isn't currently a top-ranked name.
Kaylii has 26 recorded births among girls since 2009, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2009 to 2015.
- #42,749 of 72,339 all-time among girls
- 26 born since 2009
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Kaylii ranks #42,749 of 72,339 girls' names by all-time recorded births (highest first). 26 born since 2009, peaking in the 2010s.
- #42,749 of 72,339
- all-time among girls
- 26
- born since 2009
- 2010s
- peak decade
Kaylii's 26 recorded births place it above 40.56% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Kaylii's usage pattern, beyond the headline number
Splitting Kaylii's full recorded timeline at 2014, 46% of its total births fall in the more recent half of the record versus 54% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2014, with just 5 recorded births -- worth weighing against the 2009 peak of 8 to see the full range of the name's swing in popularity.
Kaylii popularity over time
Annual U.S. births registered with the Social Security Administration · 2009–2015
- Peak year (2009)
- 8
- Annual births at peak, across 7 years of records
Kaylii by decade
2010s is the heaviest window (18 births, 69% of the file).
2010s was Kaylii's strongest decade.
18 babies received the name during that ten-year window, about 69% of all-time use.
Kaylii births by decade
Total births in each ten-year window
- 2000s
2000s
8 births
- 2010s
2010s
18 births
What this shows Peak: 2010s at 18 births (69% of all-time use).
Frequently Asked Questions
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Keep exploring Kaylii
Nearby Names Like Kaylii
Names with a similar sound, spelling, or feel to Kaylii
Compare Kaylii side by side: Kaylii vs Kayla Kaylii vs Kaylee Kaylii vs Kay
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Kaylii: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2009)
Similar record span (~6 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2009–2015 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kaylii draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.