Declining since 1985, #10,107 for girls today.
Popularity of Alethia since 1894
Babies named Alethia per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1890s | 22 |
| 1900s | 75 |
| 1910s | 158 |
| 1920s | 218 |
| 1930s | 177 |
| 1940s | 167 |
| 1950s | 237 |
| 1960s | 312 |
| 1970s | 349 |
| 1980s | 232 |
| 1990s | 155 |
| 2000s | 165 |
| 2010s | 169 |
| 2020s | 85 |
Meaning & origin
Alethia is a rare feminine name with Greek ties, first recorded in U.S. naming data in 1894. It peaked in popularity in 1973, but since 1985 its usage has been falling. In the latest year 2025, it ranked 10,107 with about 1 in 178,585 newborns receiving the name. Despite its relative obscurity, the name has a melodic, classic feel that may appeal to parents seeking a distinctive choice with a possible link to the concept of truth.
Alethia is thought to be a variant of the Greek word 'aletheia' (αλήθεια), meaning 'truth'. It may also be a feminine form of Alethe or a variant of Alethea, a name that emerged in English literature in the 17th century. The name has seen modest use in the United States since the late 19th century, with occasional spikes in popularity.
Nicknames & variants
Nicknames: Letha, Thea, Allie
Sibling names for Alethia
Names that share Alethia's style, for a brother or sister.
