I grew up (here in the U.S.) watching old movies and
Cary Grant was one of my favorite actors.
Love, love, love
Cary for a boy.
I know an adult
Cary (for him it's short for
Clarence) and it isn't really a problem for him. (I asked once.)
Here's hoping you use the name
Cary for a boy. The world needs more of them. :-)