Ghosts: Gelin

The Gelin (meaning Bride in Turkish) is a female demon or ghost in Turkish and Anatolian Greek folklore. More than likely hear stories in Heybeliada from Prince Islands about them. She is often seen as a beautiful young woman wearing a white wedding dress. Many of them become Gelin due to tragedy. Like being betrayed by a husband or fiance or being unmarried and pregnant. They usually die brutally typically by suicide.

These women are typically a harbinger of death similar to a banshee. She can sometimes haunt a family line or sometimes she rides a white horse in a graveyard. In the graveyard, she attracts men and kills them if they make contact.

SOURCES:

Wikipedia

Sabah

Encyclopedia Mythica

Ghosts: Gelin

In Turkey Gelin (Turkish for Bride) is a type of female ghost associated with the local legend of the tragedy. These young women or girls usually died violently usually by suicide because they were jilted by a lover or an unmarried pregnant woman. After death, they become a harbinger of death much like a banshee. She is typically seen in slum areas. 

SOURCES:

Wikipedia

Definitions