The sources checked do not record cinn as a personal name or give it a meaning.
Cute
Brown, Tan, Cream
Small
Unisex
English
C
4 Letters
A character in the novel Aangan and its 2018 television adaptation
Recorded as a feminine given name in English
Box or cup in Spanish
English word for a baker's confectionery, also recorded as a given name
Diminutive of Charles or Christopher