It’s the name of a baby deer, and your “deer” little Fawn will clearly be as doe-eyed and adorable as her namesake. As a baby, anyway. During toddlerhood, all bets are off.
Famous people named Fawn:
Historian and biographer Fawn McKay Brodie.
When a fawn is born, its mother licks it clean - removing any distinguishing scents, and depositing her own, so the fawn is virtually odorless to predators.