Family name 布尔斯 (Bullus 
, 布尔斯, Boorse 
) , throughout the world, is quite a rare cognomen. The cognomen 布尔斯 is characteristic of Nigeria, where it is a rare surname, Ireland, and the United Kingdom. In absolute terms, it is the most numerous in Nigeria, the United States, and the United Kingdom. Likewise, 布尔斯 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bullus | United Kingdom, Nigeria, Brazil, Canada, United States |
| Boorse | Canada, India, United States |
| Bools | United Kingdom, Australia, Canada, United States, Ireland |