Proper noun

1. A female given name, nickname for Mary created by rhyming with Molly.
   • 1860 Elizabeth Harcourt Mitchell, The Lighthouse, Saunders, Otley and co. 1860, page 161:

     "Well, Johnny," she replied, rather hurt, "if you want to call me something else, you may do so; but I will not have any outlandish, ridiculous names. I don't like it much, but if you really wish it, you may call me Polly."

     Polly, indeed! Mary was getting more and more prosaic.

2. A common pet name for a parrot.