Girls' name · since 1880

Rillie

Rillie has 69 recorded births since 1880 in federal Social Security data, most heavily in 1917 -- full year-by-year trend, decade aggregates, and state rankings follow.

69
total births
1880–1938
years on record
1910s
peak decade
39%
born in that decade

Rillie sits outside today's top ranks for girls, with 69 recorded since 1880.

According to the U.S. Social Security Administration, Rillie has been recorded 69 times among girls since 1880, though it is not among the currently most-used girls names, with its heaviest use in the 1910s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1880 to 1938.

  • 69 total births
  • 1880–1938 years on record
  • 1910s peak decade
  • 39% born in that decade

Data updated Jun 2026

The verdict

69 girls have been named Rillie since 1880, peaking in the 1910s, last recorded in 1938.

69
total births
1880–1938
years on record
1910s
peak decade
39%
born in that decade
1910s
Peak decade

39% of everyone ever named Rillie was born in this single decade.

1917
Single peak year

9 babies were named Rillie in 1917 - its busiest year on record.

Rillie's usage pattern, beyond the headline number

Divide Rillie's SSA record in two at 1917 and the more recent half accounts for 52% of all births, the earlier half the remaining 48%, a genuinely balanced usage pattern. Its calmest year was 1895, with only 5 births recorded -- set against the 1917 peak of 9, that's the full swing in one name's fortunes.

Rillie at a glance

Last recorded 1938

Total births

69

Since 1880

59 years of records

Peak year

1917

9 births that year

Strongest decade: 1910s

Current rank

Unranked

Outside the modern top-1,000

As of 1938

Active since

1880

Recorded for 59 years

Last year on file: 1938

Rillie popularity over time

Annual U.S. births registered with the Social Security Administration · 1880–1938

Last recorded 1938
Peak year (1917)
9
Annual births at peak, across 59 years of records
45678910 18801895189719061916191719181919192219351938 5

Rillie by decade

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

1910s was Rillie's strongest decade.

27 babies received the name during that ten-year window, about 39% of all-time use.

Rillie births by decade

Total births in each ten-year window

births

What this shows Peak: 1910s at 27 births (39% of all-time use).

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

Frequently Asked Questions

How popular is the name Rillie?
Rillie has been given to 69 babies in the U.S. since 1880, according to SSA data. Its last appearance in the data was 1938. 9 babies were born in 1917, its single highest year.
When was Rillie most popular?
Rillie was most popular in the 1910s decade with 27 total births. The single peak year was 1917.
How long has the name Rillie been used?
Rillie has been recorded in Social Security data since 1880, spanning 59 years of data through 1938.
What names are similar to Rillie?
Names with a similar sound or spelling include Riley, Rileigh, Rilynn, Rilee, and 4 more. These share a common prefix and are also used for girls.

What to do with Rillie's data

  • Rillie's usage has stayed within range of its 1910s decade-level peak (27 total births) through the 1930s (10) -- a comparatively stable name, not a fading trend.
  • 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 June 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, 1880–1938 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Rillie: Baby Name Since 1880 - 69 Births, Peak 1917." NameAlmanac. Accessed via https://namealmanac.com/name/rillie. 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 Rillie 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 June 2026.