Leilah is a spelling of Leila, the Arabic and Persian name meaning "night", often glossed as "dark beauty". The story of Layla and Majnun carried the name through Persian poetry, and Byron brought it into English. Leilah came within two places of the US top 1000 in 2010, at number 1002, and has moved between number 1194 and number 1762 since; in 2025 it ranks number 1660 with 125 girls.