Dejay is of American origin, derived from the phrase "deejay," which refers to a disc jockey or someone who plays recorded music for dancers at a club or event. The name first gained popularity in the late 20th century, coinciding with the rise of hip-hop culture and dance clubs. It has since been adopted as a unisex given name, often chosen by parents seeking unique and modern options for their children's names.
The name Dejay has seen a fluctuating popularity over time, with the most significant spikes occurring between 2005 and 2008, where there were consistently high numbers of births each year, reaching a peak of 10 in 2008. However, since then, the number of births named Dejay has decreased, with the exception of a spike in 2017 (11 births) and 2023 (8 births). Overall, there have been 137 births with the name Dejay recorded between 1980 and 2023.