Family name Sibby (Sibby 
) , across the world, is a rare cognomen. The surname Sibby is habitual in Israel, where it is a rare surname, the United States, where it is a very rare surname, and Australia. Not in comparison with a country's population, this name is the most popular in the United States, Israel, and India. Likewise, Sibby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sibby | United Kingdom, United States, India, Israel, Australia |