1989 as Kim Tae-Yeon Jessica born April 18, 1989 as Jessica Jung, Korean name Jung Soo-Yeon ] Sunny born May 15, 1989 as Lee Soon-Kyu Tiffany born August 1, 1989 as Stephanie Hwang , Korean name Hwang Mi-Young Hyoyeon born September 22, 1989 as Kim Hyo-Yeon Yuri born December 5, 1989