Total births
16
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.
- 16
- total births
- 2001–2004
- years on record
- 2000s
- peak decade
- 100%
- born in that 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.
- 16 total births
- 2001–2004 years on record
- 2000s peak decade
- 100% born in that decade
Data updated Jul 2026
The verdict
16 girls have been named Gillyan since 2001, peaking in the 2000s, last recorded in 2004.
- 16
- total births
- 2001–2004
- years on record
- 2000s
- peak decade
- 100%
- born in that decade
2000s
Peak decade
100% of everyone ever named Gillyan was born in this single decade.
2004
Single peak year
6 babies were named Gillyan in 2004 - its busiest year on record.
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 at a glance
Last recorded 2004Peak year
2004
Current rank
Unranked
Active since
2001
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
Total births in each ten-year window, peak vs trough at a glance
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
How popular is the name Gillyan? ▼
Gillyan has been given to 16 babies in the U.S. since 2001, according to SSA data. Its last appearance in the data was 2004. 6 babies were born in 2004, its single highest year.
When was Gillyan most popular? ▼
Gillyan was most popular in the 2000s decade with 16 total births. The single peak year was 2004.
How long has the name Gillyan been used? ▼
The SSA has tracked Gillyan since 2001 -- 4 years through the most recent 2004 data.
What names are similar to Gillyan? ▼
Names with a similar sound or spelling include Gillian, Gilda, Gilbert, Gila, and 4 more. These share a common prefix and are also used for girls.
Keep exploring Gillyan
Nearby Names Like Gillyan
Names with a similar sound, spelling, or feel to Gillyan
Gillian Girl
#3089 16,059 births
Gilda Girl
#9586 10,078 births
Gilbert Girl
673 births
Gila Girl
#10365 640 births
Gilberta Girl
559 births
Compare Gillyan side by side: Gillyan vs Gillian Gillyan vs Gilda Gillyan vs Gilbert
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, 2001–2004 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Gillyan: Baby Name Since 2001 - 16 Births, Peak 2004." NameAlmanac. Accessed via https://namealmanac.com/name/gillyan. 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 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 July 2026.