Names / Lucas
Is Lucas a first name or a last name?
Lucas is both: a family name in some places and a given name in others. It is mostly a given name in Brazil, Argentina, Germany and the Netherlands.
How to address someone called Lucas
- Brazil. Lucas is a given name. Hi Lucas on first-name terms; formally, Mr. or Ms. goes with the family name, not with Lucas.
- France. Lucas is used both ways: 41% of people from France 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. Lucas is used both ways: about 107,690 people had it as a surname in the 2010 census, and 238,941 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.
- Argentina. Lucas is a given name. Hi Lucas on first-name terms; formally, Mr. or Ms. goes with the family name, not with Lucas.
Not sure which part of a full name is which? Check the full name with the country where the person is based.
Lucas by country
People recorded in Wikidata who carry Lucas as a family name or as a given name, by country of citizenship (2,556 in total).
| Country | As family name | As given name | Family name share |
|---|---|---|---|
| Brazil | 25 | 377 | 6% |
| France | 142 | 207 | 41% |
| United States | 196 | 139 | 59% |
| Argentina | 1 | 306 | 0% |
| Spain | 39 | 119 | 25% |
| United Kingdom | 105 | 27 | 80% |
| Germany | 24 | 104 | 19% |
| Netherlands | 18 | 103 | 15% |
| Canada | 30 | 35 | 46% |
| Australia | 37 | 28 | 57% |
Wikidata covers notable people, so counts show how the name is used, not how many people carry it.
Lucas in the United States
- As a surname: about 107,690 people in the 2010 census, rank 286 among US surnames.
- As a first name: 238,941 babies born between 1950 and 2017, 0% of them girls.
Lucas as a given name: men or women?
About 0% of people with Lucas 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.