English place name meaning willow farm, from Old English wilig and by.
Willoughby is a place name turned surname turned given name, with roots that stretch back to the Norse settlers who colonized the English Midlands after the 9th century. It derives from Old Norse "vilja" (possibly related to willow) and "byr" (farm or settlement), translating roughly as "willow farm" or "farm by the willows." The village of Willoughby appears in the Domesday Book of 1086, and the surname attached itself to families of the English gentry over subsequent centuries.
The name carries a complicated literary pedigree, most notably in Jane Austen's Sense and Sensibility (1811), where John Willoughby is Marianne Dashwood's dashing, treacherous suitor — romantic and ruinous in equal measure. Austen's Willoughby crystallized a certain type: charming, irresponsible, handsome, and ultimately cowardly. That literary shadow hasn't dimmed the name's appeal; if anything, it lends it a rakish romantic energy.
The Willoughby family name also appears in British aristocratic history, with the Barons Willoughby de Broke tracing their lineage to medieval England. In contemporary use, Willoughby is part of a broader revival of elaborate Victorian surnames as given names — think Alistair, Barnaby, Montgomery. It has a wonderfully theatrical quality: long, melodic, aristocratic without being stuffy.
Nicknames abound — Will, Wills, or the more playful Billy — giving parents the best of both worlds: a grand formal name with approachable everyday options. It feels equally suited to a country estate and a Brooklyn brownstone.