Kailey is a modern and unique girl's name of American origin, often seen as a variation of the traditional name Cayley. It gained popularity in recent decades due to its appealing sound and spelling, making it an attractive choice for parents seeking distinctive names for their daughters. The name Kailey is believed to have originated from Scottish or Irish roots, possibly derived from the Gaelic surname "Cailí", which means "comely" or "attractive". However, as a contemporary given name, its meaning may not be explicitly tied to these historical connections and can instead evoke a sense of individuality and charm. Kailey is typically pronounced /ˈkeɪli/ with the stress on the first syllable and the vowels sounding like "ay" in "day" followed by "lee". The popularity of Kailey has been rising steadily since the mid-20th century, peaking at its highest rank of 476 in the United States during the year 2011.
"Kailey is quite rare, with only 10 babies given this name each year between 2004 and now."