Doesn't look like many people go by their middle names.
My mother's name is Cathryne Bernice. Growing up, she went by Bernice (she hated it). When she got out on her own, she went by Cathy.

When we visited her family (I think on the move from Scotland to Mississippi), they kept talking about someone named Bernice. Us kids had Noooooooo idea who they were talking about. We freaked out when they told us our mother's name was Bernice. As far as we were concerned, we had never met this person and they WERE NOT going to take us away from our Mom Cathy.

(We were young, what did we know about middle names? At that age, I had decided that Miss Issippi was a lady we were going to go visit).