Surname Pelageia (Пелагея 
, Пелагеиа , Pelageia 
) , throughout the world, is a rare cognomen. The cognomen Pelageia is characteristic of Kyrgyzstan, where it is quite a rare surname, Georgia, where it is a rare surname, and Bulgaria. Not in comparison with a country's population, this name is the most popular in Kyrgyzstan, Russia, and Georgia. Predominantly, Pelageia is the forename as well as the last name.