With 171 095 bearers, Louis is the 3rd most common masculine given name in Haiti (2014 Data). With 23 553 bearers, Louis is the 4th most common masculine given name in Mauritius (2014 Data). With 844 bearers, Louis is the 6th most common masculine given name in Saint Martin (2014 Data). Source: https://forebears.io/forenames/louis
In 2018, 63 is the most common age for an American (U.S.) Louis who is registered male with the Social Security Administration. It is the 235th most common male first name for living U.S. citizens.
― Anonymous User 10/5/2018
4
Louis is a very traditional French name that was quite popular in the first half of the 20th century, had a small decline from the '60's to the '80's, and has received quite a comeback in recent years. It's one of my favorite names, pronounced either the French way or the English way :)
Also German:
https://de.m.wikipedia.org/wiki/Louis
https://en.m.wiktionary.org/wiki/Louis#German
https://www.beliebte-vornamen.de/4670-luis.htm
https://www.behindthename.com/name/louis/top/germany
https://www.behindthename.com/name/louis/top/austria