List of Ukrainian names with Saint day Celebration
The tradition of name days goes back to the Middle Ages when parents named their child after the Saint whose feast day was closest to the date of birth or baptismal date
In the past, in Ukraine, saint's days were celebrated rather than birthdays, although birthdays are more popular now your saint's day with your name is called imenyny. People will ask "when are your imenyny?" i.e. "when is your saint's day?"