Girls' name · since 1998

Gillianne

Gillianne has 38 recorded births since 1998 in federal Social Security data, most heavily in 2000 -- full year-by-year trend, decade aggregates, and state rankings follow.

38
total births
1998–2003
years on record
2000s
peak decade
66%
born in that decade

Gillianne sits outside today's top ranks for girls, with 38 recorded since 1998.

Gillianne has 38 recorded births among girls since 1998, 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 1998 to 2003.

  • 38 total births
  • 1998–2003 years on record
  • 2000s peak decade
  • 66% born in that decade

Data updated Jul 2026

The verdict

38 girls have been named Gillianne since 1998, peaking in the 2000s, last recorded in 2003.

38
total births
1998–2003
years on record
2000s
peak decade
66%
born in that decade
2000s
Peak decade

66% of everyone ever named Gillianne was born in this single decade.

2000
Single peak year

12 babies were named Gillianne in 2000 - its busiest year on record.

Gillianne's usage pattern, beyond the headline number

Gillianne splits its recorded history at 2000: 66% of all births land in the more recent half, 34% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1998 (5 births) -- compare that against the 2000 peak of 12 for a sense of just how much the name's popularity has swung.

Gillianne at a glance

Last recorded 2003

Total births

38

Since 1998

6 years of records

Peak year

2000

12 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2003

Active since

1998

Recorded for 6 years

Last year on file: 2003

Gillianne popularity over time

Annual U.S. births registered with the Social Security Administration · 1998–2003

Last recorded 2003
Peak year (2000)
12
Annual births at peak, across 6 years of records
468101214 19981999200020012003 5

Gillianne by decade

Total births in each ten-year window, peak vs trough at a glance

2000s was Gillianne's strongest decade.

25 babies received the name during that ten-year window, about 66% of all-time use.

Gillianne births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 25 births (66% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Frequently Asked Questions

How popular is the name Gillianne?
Gillianne has been given to 38 babies in the U.S. since 1998, according to SSA data. Its last appearance in the data was 2003. 12 babies were born in 2000, its single highest year.
When was Gillianne most popular?
Gillianne was most popular in the 2000s decade with 25 total births. The single peak year was 2000.
How long has the name Gillianne been used?
Records for Gillianne go back to 1998, giving 6 years of history through 2003.
What names are similar to Gillianne?
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.

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, 1998–2003 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Gillianne: Baby Name Since 1998 - 38 Births, Peak 2000." NameAlmanac. Accessed via https://namealmanac.com/name/gillianne. 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 Gillianne 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.