Oliver

Oliver is a given name of disputed origin, most commonly traced to the Old French Olivier, which medieval sources associated with the Latin oliva, meaning olive tree, a plant symbolizing peace and fruitfulness in Mediterranean cultures. Some scholars, however, argue the name derives instead from a Germanic source, possibly related to the Old Norse Áleifr, meaning ancestor's descendant, which also gave rise to Olaf. The name gained wide prominence in medieval Europe through the Chanson de Roland, where Oliver appears as one of Charlemagne's legendary paladins and the loyal companion of Roland. Cognates and variants include Olivia, Olivier, Oliverio, and Olaf.