Simple names easy to use in the field.
A history of our Lab names, X means they're gone but not forgotten.
Annie X
Maggie X
Charlie X (inherited this name when I bought the dog)
Sheba X (inherited this name when I bought the dog; she was from Ireland)
Chief (my son's dog, his name)
Kate
Bonnie
Emma
I often run more than one at a time so the names have to be distinct enough not to confuse the dogs when commands are given.