I have a hard time picturing a baby named Gertrude or Hilda. Just like I have a hard time picturing an elderly lady named Brittany or Ashley.
My name can be either a boys or a girls (Kelly) but I hear it more for a girl.
As a child I always wanted to change my name. Never liked it. Always wanted to be an "Angie" or a "Stephanie". Now, I'm okay with it.
Some names I don't hear very often nowadays for girls:
Hazel
Bertha
Evelyn
Myrtle
Henrietta
Irma
Arlene
Sheila
Gertrude
Zelda
Wilma
Betty (yeah...the Flintstones!!!

)
Gladys
Boys:
Howard
Richard
Charles
Fred
Barney (The Flintstones again!!

)
Lewis / Louis
It's harder to come up with boys names for some reason.