Surname Deodate (Deo 
, Deodate 
) , all over the world, is a common family name. The cognomen Deodate is characteristic of Fiji, where it is a common surname, New Zealand, where it is quite a common surname, and Nepal (explore the name in all countries). Measured by absolute frequency, this name is the most popular in India, Nepal, and Tanzania. Likewise, Deodate is the forename as well as the last name.