From Old French gernier meaning 'granary,' originally an occupational surname for a keeper of a granary.
Garner is an occupational surname that crossed into given-name usage by the familiar American route of family honor and pioneer directness. It derives from the Old French *gernier* or *grenier*, meaning granary or storehouse — a garner being the place where grain was kept — making the original Garners men who worked or owned such a facility. The surname has deep medieval English and French roots, carried by families across Britain and transplanted to America with the colonial migrations of the seventeenth and eighteenth centuries.
As a first name, Garner was used particularly in the American South and Midwest, where surname-derived given names flourished as a way to preserve maternal family lines or honor prominent community figures. James Garner — the actor whose easy charisma defined television Westerns through Maverick in the late 1950s and later The Rockford Files — gave the name a laconic, wry, deeply American personality. His screen presence embodied a particular kind of masculine appeal: clever rather than brutal, self-deprecating rather than heroic, which gave the name a warmth that pure surname-names sometimes lack.
Garner is also a word in the literary tradition: 'to garner' means to gather or collect, carrying connotations of harvest and accumulation, which gives the name an unexpected metaphorical richness. Today it occupies the space that many surname-names do — it reads as masculine but not heavily gendered, professional without being stiff, and sufficiently uncommon that it registers as a choice rather than a default. For parents drawn to strong single-syllable names, Garner offers two syllables of the same energy.