yes they are
Patricia Routledge goes by Old Girl, and Pat.
A English actress and it's Pam St Clement.
No.
Pam St Clement plays Pat Butcher
Patricia Gallio goes by Pat.
The only known Patricia is the character Pat Evans. Her real name is Pam St. Clement.
Patricia Lovell went by Miss Pat.
Pat Astley goes by Blackpool Patricia.
Pat Benatar goes by Patti-B, and The Five Foot Giant.
Patricia Roc went by Goddess of the Odeons, and Pat.
Pat Klous's birth name is Patricia Klous.
Pat Caesar's birth name is Patricia Cardello.