Giron
A surname with several possible roots, most likely tied to a medieval personal name rather than a single clear occupational meaning.
The #2,311 most common surname in the United States (2010 Census) — about 1 in every 19,558 Americans shares it.
Etymology
The name appears in older French sources as a surname connected to several different personal-name traditions. One line of explanation links it to Saint Gereon, with a Latinized form based on Gereonis; another connects it with Germanic names built on the element ger/gar, meaning "spear." Because these traditions overlap in medieval usage, Giron is best treated as a surname formed from a given name rather than from a modern word in French or English.
History
The surname is recorded in French-language onomastic discussion and seems to have circulated in forms such as Girion and Virion as well as Giron. Medieval naming practices often blurred saints' names, Germanic personal names, and regional spelling variation, which helps explain the multiple etymologies proposed for this form. In the modern United States, Giron is also well known as a Hispanic surname, but the excerpts provided do not establish that line of development directly.
Origin
Regions
Variant spellings
Fun fact
One historical explanation ties the name to a root meaning "spear," showing how many surnames began as old warrior-style personal names.
From the historical record
“Game Giron Golstan Gualter”
— British Family Names: their origin and meaning (2nd ed.)