Dayna is of Latin origin, derived from the word 'diana', which means 'divine'. This name gained prominence during the Middle Ages and was often used as a female given name. It is pronounced /ˈdeɪnə/. Dayna has also been associated with other meanings and origins such as being a variant of the Latin name Diana, or even being derived from the Old French word 'dane', meaning "from Denmark". However, the most widely accepted origin of Dayna is its Latin roots.
The name Dayna appears to have been quite popular during the late 1960s and early-mid 1970s, with five or more births recorded each year between 1963 and 1978, except for a dip in 1975. It also saw increased popularity again in the late 1980s to mid-1990s. Overall, there were 87 babies named Dayna born from 1953 to 1995.