Uhm, not necessarily. It's usually a human's name.
Brooke Ballentine's birth name is Crystal Yost.
Brooke Condolora's birth name is Brooke Hayes.
No, Brooke is not a saint's name.
Brooke Satchwell's birth name is Satchwell, Brooke Kerith.
Brooke Scher's birth name is Brooke Ashley Scher.
Brooke Tucker's birth name is Pamela Brooke Tucker.
Brooke Vincent's birth name is Brooke Levi Vincent.
Brooke Reid's birth name is Brooke Leslie Rothman.
Brooke Williamson's birth name is Brooke Elliot Williamson.
Brooke Benko's birth name is Brooke Elizabeth Benko.
Brooke Bramley's birth name is Brooke Elaine Bramley.
Brooke Brinson's birth name is Brooke Ashley Brinson.