Girls' name · since 1892

Alethea

4,968 babies named Alethea in U.S. Social Security records since 1892, with the highest year being 1973. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#2,587 of 72,339
all-time among girls
#3,032 of 17,297
2025 SSA year
4,968
born since 1892
1970s
peak decade

Alethea currently ranks #3032 among girls' names in America, with 4,968 babies recorded since 1892.

According to the U.S. Social Security Administration, Alethea has been recorded 4,968 times among girls since 1892, currently ranked #3032 nationally and more common than 82% of girls, with its heaviest use in the 1970s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1892 to 2025.

  • #2,587 of 72,339 all-time among girls
  • #3,032 of 17,297 2025 SSA year
  • 4,968 born since 1892
  • 1970s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Alethea ranks #2,587 of 72,339 girls' names by all-time recorded births (highest first) and #3,032 of 17,297 among girls' names in 2025. 4,968 born since 1892, peaking in the 1970s.

#2,587 of 72,339
all-time among girls
#3,032 of 17,297
2025 SSA year
4,968
born since 1892
1970s
peak decade
0%100%Median name50%82.4%
Alethea vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Alethea's 4,968 recorded births place it above 96.42% of the 72,339 girls names in the full SSA archive.

30 jurisdictions
State-record footprint

30 jurisdictions carry state-level records, led by California.

How Alethea compares

4,968 Top 14% higher than 86% of 17,297 names currently given to girls

Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Alethea's all-time total is 13x the median girls name, and Olivia still leads by a wide margin.

Metric Alethea Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 4,968 376 567,345
Peak-year births 322 21 19,840

Alethea's usage pattern, beyond the headline number

Splitting Alethea's full recorded timeline at 1962, 73% of its total births fall in the more recent half of the record versus 27% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1892, with just 5 recorded births -- worth weighing against the 1973 peak of 322 to see the full range of the name's swing in popularity.

Alethea popularity over time

Annual U.S. births registered with the Social Security Administration · 1892–2025

Outside the top 1,000
Peak year (1973)
322
Annual births at peak, across 134 years of records
0100200300400 189219151931194719631979199520112025 54

Alethea by decade

1970s is the heaviest window (1,215 births, 24% of the file).

1970s was Alethea's strongest decade.

1,215 babies received the name during that ten-year window, about 24% of all-time use.

Alethea births by decade

Total births in each ten-year window

births

What this shows Peak: 1970s at 1,215 births (24% of all-time use).

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

How Alethea compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Alethea's total volume

Alethea vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8%10% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -146, 2%-60, 3.7%-37, 8.4%-78, 6.2%-146, 2.9%-145, 4.5%-64, 8.6%-146, 3.1%-80, 4.3%-57, 4.5%-32, 5.4%-125, 4.3%-41, 6%-141, 2.3%-24, 6.3%Alethea-134, 6.5%Alethea
Alethea vs 15 similarly-sized girls names

Alethea by state

Where Alethea concentrates geographically, total births since 1892

Geographically diffuse
Top 8 states by recorded births for the name Alethea
Rank State Visual share Births Share of total
#1 California
352 7.1%
#2 New York
191 3.8%
#3 Texas
145 2.9%
#4 Georgia
108 2.2%
#5 Illinois
74 1.5%
#6 Alabama
69 1.4%
#7 Pennsylvania
66 1.3%
#8 Michigan
59 1.2%
California share of Alethea's total US births 7.1%
Even split

352 of 4,968 births nationwide. Compared to a flat distribution across 30 reporting states.

Alethea appears in 30 states. Explore state details →

Frequently Asked Questions

How popular is the name Alethea?
Since 1892, Social Security records show 4,968 babies named Alethea. Across the full SSA archive it ranks #2,587 of 72,339 girls' names by total births. In 2025, it holds #3,032 of 17,297 among girls. Its busiest year on record was 1973, with 322 births.
Where does Alethea sit in the SSA name archive?
According to the U.S. Social Security Administration, Alethea ranks #2,587 of 72,339 girls' names by all-time recorded births (highest first) and #3,032 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Alethea most popular?
Alethea was most popular in the 1970s decade with 1,215 total births. The single peak year was 1973.
Where is Alethea most popular?
The top states for the name Alethea are California (352 births), New York (191 births), Texas (145 births).
How long has the name Alethea been used?
The SSA has tracked Alethea since 1892 -- 134 years through the most recent 2025 data.
What names are similar to Alethea?
Names with a similar sound or spelling include Alexis, Alexandra, Alexa, Alexandria, and 4 more. These share a common prefix and are also used for girls.

What to do with Alethea's data

  • Alethea's usage has stayed within range of its 1970s decade-level peak (1,215 total births) through the 2020s (416) -- a comparatively stable name, not a fading trend.
  • California records the most Aletheas (352 births) -- see the full state breakdown if geography matters to your decision. California names

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

Keep exploring Alethea

Nearby Names Like Alethea

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

Names with a similar popularity rank to Alethea

Nationwide names with similar peak year or record span

Two nationwide peer axes for Alethea: 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, 1892–2025 (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 Alethea 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.