Please check for yourself, but that's the nickname: Kirsten.
Xuan Jing, why don't you translate Allen and Sharon? Some nicknames can be used as names: Ellen, translated from kirsten, Mi phonetic symbol: Sharon? Nickname Kay.
Jinglan, the same below) you. Some people just look at ke and wonder if Key can get it.
I hope it will be helpful to you and I hope it will be adopted.