Mamie

I said goodbye to them; I gave Jack a hug and Mamie kisses on her cheeks, and I shook Tommy's hand.

Source: tatoeba (9155149)

It doesn't matter what the president's name is, Joe, Stevie or Mamie, because all of them are just liars.

Source: tatoeba (9353598)

Mamie sat on Tiny, the Great Dane to ride it.

Source: tatoeba (9579428)

When they are used to express the affectionate regard of near friends and relatives they also may be pretty and appropriate, but they look very silly in a formal signature, and surely do not befit the dignity of womanhood. We had, for instance, among these 800 names scores of Minnies, Mamies, and only here and there a Mary, a much more euphonious as well as a dignified name.

Source: wiktionary