Kayley is a variant spelling of Kaylee, a modern feminine name formed from the phonetic elements Kay and Lee.Etymology and HistoryThe name Kayley emerged as part of a late 20th-century trend of invented names combining popular sounds. The component "Kay" may derive from names like Katherine or Kaya, while "Lee" often references the English surname or word for a meadow. Despite its modern creation, the name evokes a graceful, nature-inspired quality. Its popularity surged in the United States during the 1980s and 1990s, reaching a peak in 2009 at rank 26. Since then, it has declined but remains a common choice, and many variant spellings—such as Caleigh, Caylee, Kailee, Kailey, Kaleigh, and Kaley—have been used in English-speaking communities. A related French form, Calie, also exists.Cultural SignificanceNotable bearers include individuals like American singer-songwriter Kailee Moore, known professionally as Kailee, and Canadian Olympic rower Caileigh Filmer. The name has also appeared in fiction, most notably in the series Firefly and Serenity, where Kaylee Frye is a beloved engineer character.Key FactsMeaning: Combination of Kay and LeeOrigin: Modern EnglishType: Feminine given nameUsage Regions: Primarily United States, also Canada, United KingdomPeak Popularity (US): Rank 26 in 2009