Surname Stlouis (Stlouis 
) , around the globe, is quite a rare family name. The cognomen Stlouis is habitual in Latin America and the Caribbean, particularly Grenada, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and Haiti. Not in comparison with a country's population, it most frequently occurs in the United States, Haiti, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Stlouis | Canada, Haiti, United States, Trinidad and Tobago, Dominican Republic |