Cahill
Cahill is a name of Irish origin. It is the anglicised version of the Gaelic "Ó Cathail" meaning "descendant of Cathal".
Meaning & Origin of Cahill
What this name means, where it came from, and how it has traveled across cultures.
Cahill is a name of Irish origin. It is the anglicised version of the Gaelic "Ó Cathail" meaning "descendant of Cathal".
Source: Wikipedia (CC BY-SA 3.0). Read more →
The Story of Cahill
The earliest SSA record of Cahill as a baby boy name dates back to 1997, when 5 babies received it. 2001 was its biggest year on record, with 6 newborns named Cahill — #9,243 in the national rankings. About 38% of every Cahill on record arrived during the 2000s, its defining decade. Cahill last appeared in the published SSA data in 2012, with 5 recorded births — it has not charted nationally since. All told, over 16 Americans have carried the name since 1880, from the 1990s to the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Cahill
Phonetically similar names — useful when Cahill is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Cahill
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About the name Cahill
Cahill is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1997 and has accumulated 16 births in the dataset. Cahill's peak popularity came in 2001 when it ranked #9,243. Use the chart and map above to compare Cahill's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2001 →
- Names of the 2000s →
- Names starting with "C" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.