1) English girl name 
Terryn is an English name for boys and girls. The meaning is `summer, harvest` The name Terryn is -as far as we know- only given to American girls. The name sounds like: Teryn, Tarryn, Terrin,, Terran, Terrin, Teryn, Tarryn Similar names are: Ferryn, Kerryn, Merryn, Perryn, Terrye, Terryl, Terrya,, Terry, Terryl