Girls' name · since 2003
Jilliyn
Since 2003, U.S. Social Security records show 33 babies named Jilliyn, peaking in 2004. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 33
- total births
- 2003–2009
- years on record
- 2000s
- peak decade
- 100%
- born in that decade
33 girls have been named Jilliyn since 2003, though it isn't currently a top-ranked name.
Jilliyn has 33 recorded births among girls since 2003, 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 2003 to 2009.
- 33 total births
- 2003–2009 years on record
- 2000s peak decade
- 100% born in that decade
Data updated Jul 2026
Jilliyn's 33 recorded births place it above 45% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Jilliyn's usage pattern, beyond the headline number
Splitting Jilliyn's full recorded timeline at 2006, 48% of its total births fall in the more recent half of the record versus 52% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2003, with just 5 recorded births -- worth weighing against the 2004 peak of 7 to see the full range of the name's swing in popularity.
Jilliyn popularity over time
Annual U.S. births registered with the Social Security Administration · 2003–2009
- Peak year (2004)
- 7
- Annual births at peak, across 7 years of records
Jilliyn by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Jilliyn's strongest decade.
33 babies received the name during that ten-year window, about 100% of all-time use.
Jilliyn births by decade
Total births in each ten-year window
- 2000s
2000s
33 births
What this shows Peak: 2000s at 33 births (100% of all-time use).
Frequently Asked Questions
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Keep exploring Jilliyn
Nearby Names Like Jilliyn
Names with a similar sound, spelling, or feel to Jilliyn
Compare Jilliyn side by side: Jilliyn vs Jill Jilliyn vs Jillian Jilliyn vs Jilian
Related Names
Names with a similar number of total births
Data Sources
Data as of July 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, 2003–2009 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac. "Jilliyn: Baby Name Since 2003 - 33 Births, Peak 2004." NameAlmanac. Accessed via https://namealmanac.com/name/jilliyn. Licensed CC BY-SA 4.0.
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 Jilliyn 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 July 2026.