Sadie: yes
Eliza: yes
Katie /
Kate: honestly I think
Katie could stand alone. I know several people, including my cousin, who are legally named
Katie. I think
Kate needs a full name.
Tilda: yes
Elle: I don't think so, but a family friend has a granddaughter named
Elle, and as far as I am aware it's not a nickname.
Millie: honestly no, but I wish it could because I love it.
Winnie: yes
Annie: no
Fran: no
Christy, etc: I say no, but I had a friend with a sister legally named
Kristy.
Alex: no
Liam: yes
Gene: yes
Terry: yes. It's my dad's full name.
Jerry: yes
Larry: yes
Cliff: maybe
Sam: no
Ben: no