Eady is an English surname with two possible origins. It may be derived from a diminutive of the given name Eda 2, itself a medieval diminutive of Edith. Alternatively, Eady could represent a diminished form of the biblical name Adam, a common source of English surnames through pet forms or patronymics. As a surname originating from Eda or Edith, Eady ultimately traces back to the Old English name Eadgyð, composed of the elements ead meaning "wealth, fortune" and guð meaning "battle". This name was prominent among Anglo-Saxon royalty, borne by Saint Eadgyeth, daughter of King Edgar the Peaceful, and by an Anglo-Saxon wife of Holy Roman Emperor Otto I. Although common after the Norman Conquest, it declined after the 15th century and was revived in the 19th. As a variant of Adam, the surname Eady connects to the Hebrew name meaning "man" or "earth", derived from the word adamah. Adam is a wellspring of surnames across Europe, including Adams, Adamson, Adcock, Addison, Adkins, and various forms in other languages. Notable bearers of the surname include Alyse Eady (born 1988), American news anchor; Charles Swinfen Eady, 1st Baron Swinfen (1851–1919), British lawyer and judge; David Eady (born 1943), English High Court judge; David Eady (1924–2009), British film director; Dorothy Eady (1904–1981), English Egyptologist; Cornelius Eady (born 1954), American poet; and multiple politicians, athletes, and artists. The name also appears in the title of three Baronets Swinfen: Charles Swinfen Eady, his son Sir Harry Eady, and Sir Roger Swinfen Eady. Distribution and Cultural Significance Eady is a transmitted surname primarily bearing roots in England. Its geographical distribution is dispersed across the English-speaking world, notably in the United Kingdom, United States, Canada, Australia, and New Zealand. The multiclustered origin story gives the name both feminine (through Edith) and masculine (through Adam) connections, sustained by historical usage in medieval onomastics. Meaning: Diminutive of Eda (from Edith) or from Adam. Origin/Type: English surname. Usage Regions: English-speaking countries.