Mamie

Proper noun

 * 1)  A diminutive of Mary or Mavis, also used as a formal female given name.
 * 2) * 1880 Emily Faithfull, The Victoria Magazine, v.36 (July-Dec 1880), page 264
 * 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.