Caítlin
given name · Latin script
Recorded as a female name· opposite-gender records fall within measured source noise
Caítlin is a female given name written in the Latin script, with more bearers in the United States than in any other country. Recorded meaning: From Old French Cateline (compare Norman Cathelène).
- AUAustralia≈1 in 1.6K(inferred from the name graph)
- GBUnited Kingdom≈1 in 6.9K
- NZNew Zealand≈1 in 7.2K
carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Where a country counts another spelling of the name rather than Caítlin itself, the figure is that spelling’s, and it is named. One hue, darker where it is more common; hover a country for its figure.
- United States (measured from records)
- 4 (measured from records)
- Record sources
- 522 (measured from records)
- ≈1 in 1.6K (inferred from the name graph)
148,542 named Kaitlyn, 2020
recorded for this name
corpus datasets behind its best-documented spelling
strongest: highest-authority source
Australia, est.
measured from records inferred from the name graph
Spellings & scripts
(measured from records)Locally spelled Caitlin in US United States, AU Australia, GB United Kingdom and 4 more.
Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.
Meaning & origin
(measured from records)From Old French Cateline (compare Norman Cathelène).
Cited for this meaning 4
- A concise dictionary of first names
- Irish first names
- Wiktionary
- Nordic Names
Attested across 11 languages in the etymology graph.
Where in the world
(measured from records)Caítlin counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.
Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.
| Country | Most common spelling | Sources | ||||
|---|---|---|---|---|---|---|
| US United States | #561 | 148,542as Kaitlyn | 1 in 2.2K | 148K | Caitlin | 522 |
| AU Australia | #258 | ≈17,000 est. | ≈1 in 1.6K | 91 | Caitlin | 225 |
| GB United Kingdom | #588 | ≈10,000 est. | ≈1 in 6.9K | 15 | Caitlin | 252 |
| CA Canada | #599 | ≈5,100 est. | ≈1 in 8K | 9 | Caitlin | 241 |
| ZA South Africa | — | ≈3,000 est. | ≈1 in 21K | — | Caitlin | 88 |
| NL Netherlands | — | 1,907 | 1 in 9.1K | 1.9K | Caitlin | 62 |
| NZ New Zealand | #367 | ≈730 est. | ≈1 in 7.2K | 16 | Caitlin | 128 |
148,542 people counted by Census Bureau — First Name Frequency 2020 by sex, 2020, counting the spelling kaitlyn. Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.
Registers cited: Census Bureau — First Name Frequency 2020 by sex; NSW BDM — Popular baby names (1952–present); NISRA — Baby names Northern Ireland full list (1997–present); Alberta Open Government — Frequency and Ranking of Baby Names by Year and Gender; DIA — Baby name popularity (1900–present); Meertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018). Figures without a register are Mondonomo estimates; see Methodology.
Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).
Evidence
(measured from records)No register attests this spelling yet
Frequently asked questions
- What does the name Caítlin mean, and where does it come from?
- From Old French Cateline (compare Norman Cathelène). Recorded by A concise dictionary of first names and Irish first names and 2 other sources.
- Is Caítlin a male or female name?
- Caítlin is a female name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.
- In which country does Caítlin have the most bearers?
- In the United States, the national register counted about 149 thousand people named Kaitlyn, more than in any other country we hold.
- How common is the name Caítlin?
- In the Netherlands, the national register counted 1,907 people named Caítlin, about 1 in 9.1 thousand residents.
- How common is Caítlin compared with other names?
- In the United States, Caítlin is the 561st most common given name of 2,815,431 given names recorded there.
What do you want to know about Caítlin?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/ca%C3%ADtlinThe payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. It takes a free API key (1,000 requests a day), which returns what this page shows everyone; the full country table, every register citation and the year-by-year series come with a licensed key, as does bulk access.
About this data
measured from records inferred from the name graph machine-generated
These figures come from the data snapshot of and will change as it is rebuilt.
Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.
Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.
Cite this page Mondonomo, “Caítlin” — the 561st most common given name in United States. Data snapshot 2026-10-13.