Alethea
Meaning
“'truth', from Greek aletheia”
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Alethea peaked in the 2010s and the 2020s in nearly equal measure.
See popularity in Brazil
Popularity in Brazil
247 people · the #21,858 first name in Brazil · about 1 in 1,000,000 · median age 46
Among people named Alethea living in Brazil at the 2022 census, more were born in the 1970s than in any other decade.
Source: IBGE, Censo Demográfico 2022
When you meet Alethea
Most people given the name Alethea in the United States were born between 1960 and 2009. The Alethea you meet today is most often in her 40s or 50s.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Alethea deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Alethea truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Alethea fits with your family’s names and surname.
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