The name Tammy is a girl's name of Scottish, English origin. Tammy and is often added to lists like Baby Girl Names Ending in Y and discussed in our forums with posts like "Drop Your Favorite: GIRLS!".
From the experts:
Made famous in fifties movies as a wholesome backwoods gal, Tammy was a Top 10 choice from the mid-60s to early-70s, but is now given to fewer than 100 babies per year in the US.