Demi is a distinctive boys' name in United States, ranking #9942 in 2025 with 7 recorded births. The name reached its all-time peak in 2023 with 12 births ranking #6989. In 2025, approximately 1 in every 244,011 boys born was named Demi. FALLING Recent data shows the name is currently falling.
Demi is often used as a short form of Demetria, though it can also reflect modern Greek forms such as Dimi. It is brisk, stylish and well established as an independent name in modern use.
The name gained wider popularity in the United States during the late 1980s, helped by actress Demi Moore, and later received another lift through singer Demi Lovato. That visibility helped turn a shorter form into a familiar standalone choice.