Allie is a common nickname for Allison, a feminine name of English origin meaning “noble son.” Other variants or nicknames for Allison include Ali, Al, and Alli. The use of Allie as a shortened form of Allison likely stems from the name’s similarity to the word “ally,” which conveys a sense of companionship or support. The close sound and shared letters between “Allison” and “Allie” make the latter an intuitive and recognizable nickname.