Names / Duncan
Is Duncan a first name or a last name?
Duncan is both: a family name in some places and a given name in others.
How to address someone called Duncan
- United Kingdom. Duncan is used both ways: 34% of people from the United Kingdom with this name in our data carry it as a family name. Look at where it sits in the name and how the person signs.
- United States. Duncan is used both ways: about 135,187 people had it as a surname in the 2010 census, and 15,966 babies born between 1950 and 2017 were given it as a first name. Look at where it sits in the name and how the person signs.
- Canada. Duncan is used both ways: 25% of people from Canada with this name in our data carry it as a family name. Look at where it sits in the name and how the person signs.
- Australia. Duncan is used both ways: 52% of people from Australia with this name in our data carry it as a family name. Look at where it sits in the name and how the person signs.
Not sure which part of a full name is which? Check the full name with the country where the person is based.
Duncan by country
People recorded in Wikidata who carry Duncan as a family name or as a given name, by country of citizenship (1,416 in total).
| Country | As family name | As given name | Family name share |
|---|---|---|---|
| United Kingdom | 155 | 300 | 34% |
| United States | 293 | 155 | 65% |
| Canada | 48 | 141 | 25% |
| Australia | 56 | 51 | 52% |
| New Zealand | 43 | 48 | 47% |
| South Africa | 11 | 8 | 58% |
| Kenya | 1 | 11 | 8% |
| Netherlands | 0 | 10 | 0% |
| Ireland | 2 | 5 | 29% |
| Ghana | 7 | 0 | 100% |
Wikidata covers notable people, so counts show how the name is used, not how many people carry it.
Duncan in the United States
- As a surname: about 135,187 people in the 2010 census, rank 212 among US surnames.
- As a first name: 15,966 babies born between 1950 and 2017, 0% of them girls.
Duncan as a given name: men or women?
About 0% of people with Duncan as a given name in Wikidata are women, and 0% of US babies given the name. This describes the name, not any one person: a title is usually a safe guess, but the full name without a title is always polite.