Was Christy Brown's given first name Christy, or was that a nickname for something else?

I am just curious as to whether Christy is, or was, a common first name for boys in Ireland.

Was Christy Brown's given first name Christy, or was that a nickname for something else?
Well not soo common but a lil 1 in 80 ppl have that name





In US its common


1 in every 30 have that name

korean martial arts