Raylyn is a modern American blend of Ray, from Rachel or Raymond, with the "-lyn" ending that traces back to the Welsh llyn, "lake"; it is a slimmer spelling of Raelynn. The doubled form has done far better, but the short spelling has a steady following. Raylyn stood at number 5645 in 2000, peaked at number 2797 in 2012 and sits at number 2988 in 2025.