Girl's Day

Stage Name : Sojin

Birth Name : Park So Jin
Date of Birth : May 21, 1986
Position : Leader, Lead Vocalist
Twitter : @Girls_Day_Sojin

Stage Name : Yura
Birth Name : Kim Ah Young
Date of Birth : November 6, 1992
Position : Main Rapper, Main Dancer
Twitter : @Girls_Day_Yura

Stage Name : Minah
Birth Name : Bang Min Ah
Date of Birth : May 13, 1993
Position : Main Vocalist, Face of The Group
Twitter : @Girls_Day_Minah

Stage Name : Hyeri 
Birth Name : Lee Hye Ri
Date of Birth : June 9, 1994
Position : Lead Rapper, Maknae
Twitter : @Girls_Day_Hyeri

 Former Member

Stage Name : Ji In

Birth Name : Lee Ji In

Date of Birth : March 13, 1992

Facts : Left the group in September 2010 with Ji Sun to pursue an acting career 

Stage Name : Ji Sun

Birth Name : Hwang Ji Sun

Date of Birth : October 17, 1989

Twitter : @NewfoJN

Facts : - Left the group in September 2010 with Ji In to study music more to find her own character

             - Change her stage name to JN and join the girl group New FO

Stage Name : Jihae

Birth Name : Woo Ji Hae

Date of Birth : May 14, 1989

Twitter : @wooj_crown

Facts : Left the group in October 2012 to focus on her studies and for personal reason