From Latin 'ursus' meaning bear; popularized as an English given name meaning 'bear cub'.
Orson comes from Old French ourson, literally "little bear," itself derived from Latin ursus, "bear." It is one of those names whose tenderness and ferocity live side by side: the diminutive ending softens it, but the animal beneath remains powerful. Medieval romance gave Orson one of its earliest memorable lives in the tale of Valentine and Orson, where Orson is the wild twin raised in the forest, a figure of instinct, wilderness, and untamed nobility.
That literary association gives Orson a wonderfully old storybook aura. It is less a saint's name than a romance name, carried forward into modern culture by bearers such as Orson Welles, whose fame added intelligence, theatricality, and artistic bravura to the name's image. After Welles, Orson could sound not only medieval and woodsy but also urbane and cinematic.
Few names travel so neatly from fairy-tale forest to twentieth-century film culture. In usage, Orson has always remained uncommon enough to feel distinguished. It never became ordinary, which helped preserve its charm.
Today it appeals to parents drawn to vintage names with a touch of wit and literary shadow: not as ruggedly direct as Bear, not as formal as Arthur, but somewhere delightfully in between. Orson has evolved from a medieval "little bear" into a name that suggests imagination, intellect, and a slightly eccentric grace. It is gentle on the ear, but there is still a paw-print behind it.