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Names / Louis

Is Louis a first name or a last name?

Louis is both: a family name in some places and a given name in others. It is mostly a given name in France, the United States, Belgium and Canada.

How to address someone called Louis

  • France. Louis is a given name. Hi Louis on first-name terms; formally, Mr. or Ms. goes with the family name, not with Louis.
  • United States. Louis is a given name. Hi Louis on first-name terms; formally, Mr. or Ms. goes with the family name, not with Louis.
  • Belgium. Louis is a given name. Hi Louis on first-name terms; formally, Mr. or Ms. goes with the family name, not with Louis.
  • Canada. Louis is a given name. Hi Louis on first-name terms; formally, Mr. or Ms. goes with the family name, not with Louis.

Not sure which part of a full name is which? Check the full name with the country where the person is based.

Louis by country

People recorded in Wikidata who carry Louis as a family name or as a given name, by country of citizenship (14,375 in total).

CountryAs family nameAs given nameFamily name share
France1178,4851%
United States461,9472%
Belgium118451%
Canada146642%
Switzerland94512%
Netherlands14540%
Germany123064%
United Kingdom72603%
South Africa0790%
Australia2673%

Wikidata covers notable people, so counts show how the name is used, not how many people carry it.

Louis in the United States

  • As a surname: about 23,738 people in the 2010 census, rank 1,510 among US surnames.
  • As a first name: 153,314 babies born between 1950 and 2017, 1% of them girls.

Louis as a given name: men or women?

About 0% of people with Louis as a given name in Wikidata are women, and 1% 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.

Related names

Jean · Pierre · Jacques · Michel · Patrick · Bernard · Leon · Felix · Antoine · Vincent