Girls' name · since 1977

Jilliann

338 babies named Jilliann in U.S. Social Security records since 1977, with the highest year being 2000. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

338
total births
1977–2016
years on record
2000s
peak decade
33%
born in that decade

Jilliann is not among the current top-ranked girls names; 338 have been recorded since 1977.

Social Security Administration records show Jilliann recorded 338 times among girls since 1977, though it doesn't currently rank among the most-used girls names, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1977 to 2016.

  • 338 total births
  • 1977–2016 years on record
  • 2000s peak decade
  • 33% born in that decade

Data updated Jul 2026

Above the archive median
All-time archive position

Jilliann's 338 recorded births place it above 79% of the 72,339 girls names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by California.

Jilliann's usage pattern, beyond the headline number

Divide Jilliann's SSA record in two at 1996 and the more recent half accounts for 56% of all births, the earlier half the remaining 44%, a genuinely balanced usage pattern. Its calmest year was 1978, with only 5 births recorded -- set against the 2000 peak of 17, that's the full swing in one name's fortunes.

Jilliann popularity over time

Annual U.S. births registered with the Social Security Administration · 1977–2016

Last recorded 2016
Peak year (2000)
17
Annual births at peak, across 40 years of records
05101520 19771983198819931999200420102016 6

Jilliann by decade

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

2000s was Jilliann's strongest decade.

113 babies received the name during that ten-year window, about 33% of all-time use.

Jilliann births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 113 births (33% of all-time use).

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

Jilliann by state

Where Jilliann concentrates geographically, total births since 1977

Geographically diffuse
Top 1 states by recorded births for the name Jilliann
Rank State Visual share Births Share of total
#1 California
5 1.5%
California share of Jilliann's total US births 1.5%

5 of 338 births nationwide.

Frequently Asked Questions

How popular is the name Jilliann?
Since 1977, Social Security records show 338 babies named Jilliann. The most recent recorded year was 2016. Its busiest year on record was 2000, with 17 births.
When was Jilliann most popular?
Jilliann was most popular in the 2000s decade with 113 total births. The single peak year was 2000.
Where is Jilliann most popular?
The top states for the name Jilliann are California (5 births).
How long has the name Jilliann been used?
Jilliann has been recorded in Social Security data since 1977, spanning 40 years of data through 2016.
What names are similar to Jilliann?
Names with a similar sound or spelling include Jill, Jillian, Jilian, Jillene, and 4 more. These share a common prefix and are also used for girls.

What to do with Jilliann's data

  • Jilliann's usage has stayed within range of its 2000s decade-level peak (113 total births) through the 2010s (44) -- a comparatively stable name, not a fading trend.
  • California records the most Jillianns (5 births) -- see the full state breakdown if geography matters to your decision. California names
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

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, 1977–2016 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac. "Jilliann: Baby Name Since 1977 - 338 Births, Peak 2000." NameAlmanac. Accessed via https://namealmanac.com/name/jilliann. 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 Jilliann 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.