Girls' name · since 2001
Gillyan
Since 2001, U.S. Social Security records show 16 babies named Gillyan, peaking in 2004. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #48,661 of 72,339
- all-time among girls
- 16
- born since 2001
- 2000s
- peak decade
Gillyan sits outside today's top ranks for girls, with 16 recorded since 2001.
Gillyan has 16 recorded births among girls since 2001, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2001 to 2004.
- #48,661 of 72,339 all-time among girls
- 16 born since 2001
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Gillyan ranks #48,661 of 72,339 girls' names by all-time recorded births (highest first). 16 born since 2001, peaking in the 2000s.
- #48,661 of 72,339
- all-time among girls
- 16
- born since 2001
- 2000s
- peak decade
Gillyan's 16 recorded births place it above 31.73% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Gillyan's usage pattern, beyond the headline number
Splitting Gillyan's full recorded timeline at 2003, 69% of its total births fall in the more recent half of the record versus 31% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 2001, with just 5 recorded births -- worth weighing against the 2004 peak of 6 to see the full range of the name's swing in popularity.
Gillyan popularity over time
Annual U.S. births registered with the Social Security Administration · 2001–2004
- Peak year (2004)
- 6
- Annual births at peak, across 4 years of records
Gillyan by decade
2000s is the heaviest window (16 births, 100% of the file).
2000s was Gillyan's strongest decade.
16 babies received the name during that ten-year window, about 100% of all-time use.
Gillyan births by decade
Total births in each ten-year window
- 2000s
2000s
16 births
What this shows Peak: 2000s at 16 births (100% of all-time use).
Frequently Asked Questions
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Keep exploring Gillyan
Nearby Names Like Gillyan
Names with a similar sound, spelling, or feel to Gillyan
Compare Gillyan side by side: Gillyan vs Gillian Gillyan vs Gilda Gillyan vs Gilbert
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Gillyan: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2004)
Similar record span (~3 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, 2001–2004 (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 Gillyan 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.