Olly is a diminutive of Oliver (and occasionally of Olivia). The root name Oliver most likely derives from Old French Olivier, originally from Latin oliva meaning "olive tree," though it may also have Germanic origins through Old Norse Áleifr or Frankish Alawar, with its spelling later influenced by the Latin word. The name gained popularity in medieval Europe via the French epic La Chanson de Roland, where Olivier is a loyal companion to the hero Roland.In England, Oliver was common during the Middle Ages but fell out of favor after the 17th century due to the controversial rule of Oliver Cromwell. It was revived in the 19th century, particularly through Charles Dickens’ novel Oliver Twist (1838). By the early 21st century, Oliver soared in popularity, becoming the top boys’ name in England and Wales in 2009 and entering the US top ten in 2017. The diminutive Olly—along with Oli and Ollie—mirrors this trend as a friendly, informal form.Cultural and Gender UsageThe Wiktionary entry shows that Olly can serve as a diminutive for either gender: typically for the male name Oliver or the female name Olivia. In practice, Olly is used predominantly for boys, while Ollie is also common. The name’s straightforward spelling and two-syllable rhythm make it a modern classic.Meaning: a shortened form of Oliver ("olive tree") or OliviaOrigin: English diminutiveType: First name (gender-neutral but typically masculine)Usage regions: English-speaking countries