Member ages
CSR Member Ages and Birthdays
CSR member ages and birthdays ranked oldest to youngest, from Geumhee at age 21 to Yeham at age 20.
Average20.7years old
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 | GeumheeMember | 21 | Mar 1, 2005 | Member |
| #2 |  SihyeonMember | 21 | Mar 11, 2005 | Member |
| #3 |  SeoyeonMember | 21 | Mar 26, 2005 | Member |
| #4 |  YunaMember | 21 | Apr 23, 2005 | Main Dancer |
| #5 |  DunaMember | 21 | Apr 27, 2005 | Leader |
| #6 |  SuaMember | 20 | Jul 23, 2005 | Member |
| #7 | YehamMember | 20 | Oct 6, 2005 | Main Vocalist, Maknae |