Eydie is an unusual and distinctive given name, believed to have originated as a variant spelling of Edith, which means "prosperous in war" in Old German. It is also sometimes considered a diminutive form of Aida, the heroine of Giuseppe Verdi's opera "Aida," meaning "flying high" or "loved one" in Arabic. The name Eydie has gained popularity due to its unique sound and spelling, often associated with individuals who wish to stand out from more common names.
"Eydie experienced its peak popularity between 1957 and 1965, with a high of 50 births in 1958. However, the name's usage declined significantly afterwards, reaching as low as 5 births in several years, including 1986 and 2005."