Girls' name · since 1985

Jillia

Since 1985, U.S. Social Security records show 12 babies named Jillia, peaking in 1986. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#51,865 of 72,339
all-time among girls
12
born since 1985
1980s
peak decade

Jillia sits outside today's top ranks for girls, with 12 recorded since 1985.

Jillia has 12 recorded births among girls since 1985, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1985 to 1986.

  • #51,865 of 72,339 all-time among girls
  • 12 born since 1985
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Jillia ranks #51,865 of 72,339 girls' names by all-time recorded births (highest first). 12 born since 1985, peaking in the 1980s.

#51,865 of 72,339
all-time among girls
12
born since 1985
1980s
peak decade
Below the archive median
All-time archive position

Jillia's 12 recorded births place it above 27.4% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Jillia's usage pattern, beyond the headline number

Jillia splits its recorded history at 1986: 58% of all births land in the more recent half, 42% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1985 (5 births) -- compare that against the 1986 peak of 7 for a sense of just how much the name's popularity has swung.

Jillia popularity over time

Annual U.S. births registered with the Social Security Administration · 1985–1986

Last recorded 1986
Peak year (1986)
7
Annual births at peak, across 2 years of records
4.555.566.577.5 19851986 7

Jillia by decade

1980s is the heaviest window (12 births, 100% of the file).

1980s was Jillia's strongest decade.

12 babies received the name during that ten-year window, about 100% of all-time use.

Jillia births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 12 births (100% of all-time use).

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

Frequently Asked Questions

How popular is the name Jillia?
Jillia has been given to 12 babies in the U.S. since 1985, according to SSA data. Its archive ordinal is #51,865 of 72,339 among girls' names (total births, highest first). Its last appearance in the data was 1986. 7 babies were born in 1986, its single highest year.
Where does Jillia sit in the SSA name archive?
According to the U.S. Social Security Administration, Jillia ranks #51,865 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Jillia most popular?
Jillia was most popular in the 1980s decade with 12 total births. The single peak year was 1986.
How long has the name Jillia been used?
Records for Jillia go back to 1985, giving 2 years of history through 1986.
What names are similar to Jillia?
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.

Keep exploring Jillia

Nearby Names Like Jillia

Names with a similar sound, spelling, or feel to Jillia

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Jillia: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1985–1986 (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 Jillia 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.