Bayleigh is an English name of Old Norse origin, derived from Beorhtleic, meaning "bright people's ruler". Traditionally used as a male name, it has also gained popularity for females in recent years. Its earliest record dates back to the Domesday Book of 1086, with historical ties to royalty and nobility. Today, Bayleigh is popular among English-speaking countries, favored by parents seeking unique, modern names with a strong and regal sound.