In the entire world, Йессен (Jessen 
, Iessen 
, Йессен) is quite a rare dominantly masculine, but uncommonly female forename. The given name Йессен is habitual in Mauritius, where it is quite a common boy's name, Cuba, where it is a rare feminine name, and Philippines, where it is a rare epicene name. Not in comparison with a country's population, it is commonest in Indonesia, Mauritius, and Philippines. More frequently, Йессен is the last name as well as the forename.