Is Casey a male or female name?
Casey is used as both a female and male name. In counted records, it is associated with female usage in England and Wales at 59% and male usage in United States at 59%. Country context changes the answer.
Result without a country hint
This is the response used when the request does not supply a country. It is a fallback, not a claim that every country has the same distribution.
- Association
- female
- Probability
- 51%
- Sample size
- 21,167
- Confidence
- high
Casey by country
Only sources that publish observation counts appear in this table. The probability is the dominant-gender share within that country source; sample sizes from different countries cover different years and should not be treated as population rankings.
| Country | Association | Probability | Sample | Source |
|---|---|---|---|---|
| England and Wales GB | female | 59% | 11,882 | ons |
| United States US | male | 59% | 9,285 | ssa |
| Canada CA | male | 59% | 5,158 | statcan |
| Ireland IE | female | 65% | 1,440 | cso |
| France FR | male | 76% | 580 | insee |
Attested in 10 countries and territories
Presence means the name appears in a source for that country. Sources without counts cannot support a popularity share.
AU · BE · CA · CH · FR · GB · IE · NZ · SE · US
Look up Casey with a country
Send a reliable two-letter country code when you have one. Preserve probability, sample size, confidence and source with the category.
curl "https://namegender.com/api?name=Casey&country=GB" \
-H "Authorization: Bearer ng_live_xxxxxxxxxxxx"Method and limits
Counted rows come from national registration sources that publish male and female totals. The attested-country list also includes sources that confirm presence but do not publish a sample size. Those two evidence types are kept separate.
Name data describes a population-level association. It does not identify an individual person's gender. Preserve unknown and low-confidence results, and do not use name inference for employment, medical, financial, insurance, legal or eligibility decisions.
Data version: 2026.08. Read the benchmark methodology and database provenance before applying a threshold.
Questions about Casey
Is Casey a male or female name?
Casey is used as both a female and male name. In counted records, it is associated with female usage in England and Wales at 59% and male usage in United States at 59%. Country context changes the answer.
Why can the result for Casey change by country?
A name can have different observed distributions in different populations. A country hint narrows the evidence used by the API instead of treating one global result as universal.
Does the name Casey identify a person's gender?
No. This page describes statistical associations in name records. It cannot identify an individual person and should not be used for consequential decisions.