Variant spelling of Addison, meaning 'son of Adam' or 'son of Addie'.
Adison is a variant spelling of Addison, a name with sturdy Anglo-Saxon bones: it began as a patronymic surname meaning simply 'son of Adam,' with Adam itself drawn from the Hebrew 'adamah,' meaning 'earth' or 'red clay.' As a surname it was widespread across medieval England, and its most famous early bearer was Joseph Addison, the eighteenth-century English essayist and co-founder of The Spectator, whose graceful prose helped shape modern English journalism and the very idea of a public intellectual.
The shift from surname to given name accelerated in the late twentieth century, first for boys and then, with remarkable speed, for girls — driven in part by the 2005 premiere of the medical drama Grey's Anatomy, whose character Addison Montgomery brought the name into cultural prominence for a new generation of parents. The spelling Adison strips away one 'd,' giving the name a slightly sleeker silhouette while keeping its familiar sound, a common pattern in contemporary naming as families personalize traditional forms. What makes Adison enduring is its balance of the familiar and the distinctive.
It sounds immediately recognizable — close to Madison, close to classic surnames — yet it carries the quiet authority of a name that has meant something for centuries. Whether borne by a boy or girl, it projects a kind of self-possessed intelligence, perhaps an echo of Joseph Addison's reputation for measured, reasoned elegance.