Jahmarley is of African origin, derived from Jamaican patois, meaning "powerful and mighty warrior." It is a unisex name but is more commonly used for males. The name gained popularity in the late 20th century, particularly among Jamaican communities abroad. Jahmarley is often spelled creatively, with variations such as Ja'marley or Jah-marlei, reflecting its informal and unique nature. It does not have a specific pronunciation standard, allowing for regional interpretations. As a two-syllable name, Jahmarley has a rhythmic flow when spoken aloud. It is not associated with any particular month or day of the year, making it a versatile choice regardless of one's birthdate.
The name Jahmarley experienced peaks in popularity between 2003 and 2008 with a consistent number of births each year, followed by a notable increase in 2023.