Marly is an uncommon female given name of French origin, meaning "from the marshes". It gained popularity during the 19th century, often used as a shortened form of female names like Marceline or Marlene. The name Marly has been associated with several notable figures throughout history, including French painter Marie Dorothée de Dombasle, known professionally as Marly-Leuger.
"Marly is a unique name with consistent popularity over time, having been given to exactly five individuals annually."