Marty

Proper noun

Marty

1. A diminutive of the male given names Martin and Marten.
   • 'Martin', Martin said.
     'Marty', she said, smiling at him. He didn't correct her mistake. No one had ever called him Marty before. He liked the way 'Marty' seemed a more entertaining man than he knew himself to be.2006, Kate Atkinson, One Good Turn, Black Swan, published 2007, →ISBN, page 248
2. A diminutive of the female given name Martha, or less often, of Martina.