Is Ollie a male or female name?
Ollie is used as both a female and male name. In counted records, it is associated with female usage in United States at 70% and male usage in England and Wales at 100%. 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
- 53%
- Sample size
- 78,484
- Confidence
- high
Ollie 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 |
|---|---|---|---|---|
| United States US | female | 70% | 58,964 | ssa |
| England and Wales GB | male | 100% | 16,818 | ons |
| Ireland IE | male | 100% | 1,971 | cso |
| Canada CA | male | 60% | 571 | statcan |
| Poland PL | male | 92% | 89 | pesel |
| France FR | female | 73% | 55 | insee |
Attested in 60 countries and territories
Presence means the name appears in a source for that country. Sources without counts cannot support a popularity share.
AG · AU · BB · BD · BE · BI · BW · BZ · CA · CB · CH · CM · CY · DM · ER · FJ · FR · GB · GD · GH · GY · IE · JM · KE · KI · KN · LC · LR · LS · ME · MH · MT · MU · MW · NA · NG · NR · NZ · PG · PH · PL · PW · RS · RW · SB · SC · SE · SL · SZ · TO · TT · TV · UG · US · VC · VU · WS · ZA · ZM · ZW
Ollie over time
In the United States, 80% of the babies named Ollie in the 1880s were girls, against 32.2% in the 2020s. The name has changed sides over time, so the answer depends on when a person was born.
| Decade of birth | United States: girls | Babies |
|---|---|---|
| 1880s | 80% | 3,538 |
| 1890s | 82% | 5,190 |
| 1900s | 83% | 5,677 |
| 1910s | 76% | 10,189 |
| 1920s | 74% | 11,134 |
| 1930s | 72% | 7,439 |
| 1940s | 66% | 5,673 |
| 1950s | 61% | 3,447 |
| 1960s | 47% | 1,631 |
| 1970s | 36% | 838 |
| 1980s | 31% | 491 |
| 1990s | 31% | 337 |
| 2000s | 37% | 416 |
| 2010s | 38% | 1,509 |
| 2020s | 32% | 1,455 |
Births per decade from the US Social Security Administration (1880–2024) and INSEE (France, 1900–2025); decades with fewer than 100 babies are left out. See boys' names that became girls' names and French names that changed sex.
Look up Ollie 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/v1/gender?name=Ollie&country=US" \
-H "Authorization: Bearer ng_live_xxxxxxxxxxxx"Copy failed. Select and copy the text.
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: 2026.10. Read the benchmark methodology and database provenance before applying a threshold.
Questions about Ollie
Is Ollie a male or female name?
Ollie is used as both a female and male name. In counted records, it is associated with female usage in United States at 70% and male usage in England and Wales at 100%. Country context changes the answer.
Why can the result for Ollie 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 Ollie 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.