My dog, who was a girl, was named Tobi. We thought ending the name in an "i" instead of a "y" made it feminine. I think the name suited her; she was a white and tan Lhasa Apso. I've also met two women who spelled their name Tobie. I love this name, for both boys and girls. It's simple and sweet.
82.61 percent of people with the first name Toby are male.