About Asa
Asa is a short biblical name, traditionally masculine in its Hebrew and English use, possibly meaning “healer.” Its three letters make a balanced shape, with the same vowel at either end. Behind that simplicity are an ancient royal bearer and a notable American connection with botany and the study of evolution.
Meaning and Biblical History
The Hebrew name is often explained as “healer” or “physician,” although the derivation is not certain. In the Old Testament, Asa is the third king of Judah. He succeeds Abijah and is followed by his own son Jehoshaphat, placing the name within the line of kings ruling from Jerusalem.
The Books of Kings and Chronicles describe his efforts to remove idols and restore religious worship. Those accounts made Asa available to later readers seeking less common biblical names. English-speaking Puritans were among the communities that adopted it as a personal name.
A separate northern European tradition uses the feminine names Ása and Åsa. These developed from Old Norse names containing an element meaning “god.” Swedish Åsa and Icelandic Ása have their own pronunciations and histories. When the accent or ring is omitted, their spellings can look identical to Hebrew Asa, but the names arose independently.
Asa Gray and the Plant World
American botanist Asa Gray, who lived from 1810 to 1888, taught at Harvard and became an important supporter and correspondent of Charles Darwin. His work helped bring the study of North American plants into a wider international discussion about how species were related and distributed.
Gray paid particular attention to similarities between the plants of eastern North America and eastern Asia. His comparisons helped establish a major question in plant geography: why closely related plants occur in regions separated by such a great distance.
His Manual of the Botany of the Northern United States first appeared in 1848. Intended for both professionals and interested amateurs, it became a standard field reference. Gray also built the herbarium and botanical library at Harvard, leaving the name Asa attached to collections as well as books and scientific ideas.
Pronunciation and Form
In English, Asa is pronounced AY-suh, with two syllables and the stress on the first. Its opening sounds like the letter A, while the ending is unstressed. The single s has an s sound.
The Nordic forms sound different: Swedish Åsa is approximately OH-sah, and Icelandic Ása begins with a vowel closer to ow. Asa's compact form generally works without a nickname. Ezra and Asher offer similar brevity and biblical connections, though neither is a longer form or linguistic relative of Asa.
American Use
The United States recorded 275 boys named Asa in 2000 and 432 in 2010. Its largest annual male total came in 2022, with 685 boys, ranked 450th. In 2025 there were 622 boys, placing it 483rd.
The spelling is also recorded for girls: 74 received it in 2025. American totals therefore include use for both sexes, while the best-known English-language tradition remains the biblical masculine name.
Sources & methodologyReferences, data & attribution
Existing Wiktionary material is attributed under CC BY-SA 4.0 where applicable. Popularity figures use the local Social Security Administration exact-spelling series; name-sex-year counts below five are omitted.
- Wiktionary: Asa (English)
- Wiktionary: Asa (Latin)
- SSA national name data
- Wikidata: Asa Akira
- Wikidata: Asa Butterfield
- Wikidata: Asa Gray
- Wikidata: Asa Hutchinson
- Wikidata: Asa Griggs Candler
- Wiktionary: Asa
- Bible Gateway: Asa's reforms
- Harvard: Gray Herbarium Library
- Harvard: Gray's Manual
- Arnold Arboretum: Gray's plant geography
Wiktionary material is available under CC BY-SA 4.0.
How popular is Asa?
In 2025, Asa ranked #483 among boys in the United States, with 622 recorded uses. The U.S. birth records first list this spelling for boys in 1880; its largest annual count was 685 in 2022. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.