Alethea Girl

How popular is Alethea?

#3,028 girl name in 2025

54 baby girls were named Alethea in the US in 2025, making it the 3028th most popular girl name.

Compare with other names
4,155living people named Alethea (est.)
49median age of people named Alethea
4,968babies named Alethea since 1880
1 in 61,395US babies born in 2025

Alethea popularity over time

0200400 18801900192019401960198020002020
Rank in 2025#3,028 for girls (▼ 367 from 2024)
Babies in 202554 girls
10-year trendRising (+35% babies vs 2015)
Earlier ranks#3,766 in 2015, #2,682 in 2020
Peak year1973 (322 girls)
Highest rank#522 in 1973
First recorded1892
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Where Alethea is most popular

Babies named Alethea per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. California: 0.1 per 1,000 (44 girls)
  2. Texas: 0.0 per 1,000 (34 girls)
  3. New York: 0.0 per 1,000 (15 girls)
  4. Arizona: 0.0 per 1,000 (5 girls)
  5. Pennsylvania: 0.0 per 1,000 (5 girls)

Alethea by decade

DecadeBaby girlsBest rank
1890s25#1,437
1900s37#1,592
1910s154#1,465
1920s214#1,375
1930s108#1,773
1940s172#1,857
1950s464#1,319
1960s680#1,056
1970s1,215#522
1980s533#1,531
1990s286#2,794
2000s304#3,651
2010s360#3,129
2020s416#2,266

Girl names about as popular as Alethea

Questions

Is Alethea a boy or girl name?
Alethea is mostly a girl name. Over the last 10 years, 100% of babies named Alethea were girls.
How popular is the name Alethea?
54 baby girls were named Alethea in the US in 2025, making it the 3028th most popular girl name.
When was Alethea most popular?
Alethea peaked in 1973, when 322 girls were given the name. Its highest rank was #522 in 1973.
How many people are named Alethea?
4,968 babies have been named Alethea in the US since 1880. We estimate about 4,155 of them are alive in 2026, with a median age of 49.
Where is Alethea most popular?
From 2021 to 2025, Alethea was most common in California, at 0.1 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.