Cognomen Dly (Dry 
, Dly 
) , globally, is quite a common family name. The surname Dly is characteristic of South Africa, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom. Measured by absolute frequency, it is the most numerous in the United States, Indonesia, and South Africa. Also, Dly is the forename as well as the last name.