Carlysle is a name of Welsh origin, derived from the surname Caradoc, which means 'to love'. It is primarily used as a masculine given name but can also be used as a feminine one. The name gained popularity in the United States during the late 19th to early 20th centuries. Notable figures with this name include Carlyle Blackwell, an American actor and director, and Carlysle Harris, a British-American physicist known for his work on superconductors.
"The name Carlysle experienced a brief surge in popularity with eight births recorded in 1917, followed by a dip to six births in 1930, resulting in a total of fourteen children named Carlysle during this period."