Labelle is of French origin, meaning 'beautiful'. It was traditionally given to girls but has also been used for boys in recent years. The name gained popularity in the United States during the late 20th century, peaking in usage around the mid-1990s.
"The name Labelle has seen fluctuating popularity over the years, with peaks in 1918 and 1919, and recent resurgences in 2012, 2013, and 2018."