Laelynn is a modern American blend that joins the Lae- of Layla, Arabic for "night", or Lacey with the -lynn ending of Raelynn and Jaelynn, which is traced to the Welsh llyn, "lake". It has no history before this century. Laelynn had fewer than five births in 2000, climbed slowly from number 5944 in 2015 and reached number 2672 in 2025, its best rank so far, with 65 girls.