[ syll. did-die, di-dd-ie ] The baby girl name Diddie is used chiefly in the English language, and its origin is Celtic, Hebrew, Indoeuropean, Latin, Old English, Old Greek, Old Greek, Old Greek, Germanic, Hebrew, Gothic, Latin, and Celtic. Diddie is a variant of the name Dee (English and Spanish).
Diddie is not regularly used as a baby name for girls. It is listed outside of the top 1000 names.