Kaeleigh, Also Spelled As Kaylee, Kailee, Caileigh, Kaylei, Kayleigh, And More, Is A Modern American Appellation That May Stem From The Irish Surname O’Caollaidhe. Meaning “slender” And “fair,” This Ancient Appellation Dates Back To An Era When Adjectives Of People’s Appearances Were Often Used As Surnames. Parents Seeking A Trendy K-name With An Uplifting “lee” Ending Are Spoiled For Choice When Choosing Their Preferred Spelling Of This Title. Kaeleigh Embraces Its Roots With Its Gaelic-like Spelling And Will Make A Stylish Name For Your New Arrival.