"Bobby Furst" wrote
My brother in law had an Aunt Chuch (in the USA). He has no idea what

her real name was. Is this familiar as a pet / diminutive form of a
Yiddish name?

Thanks,
Bobby Furst

Bobby,

This is most probably originated >from Polish "ciocia' [cho chyah] which
means 'aunt'.

Alexander Sharon
Calgary, AB