Olivier is the French form of Oliver, the name of Roland's loyal companion in the medieval Song of Roland; it is usually linked to the Latin oliva and read as "olive tree", a symbol of peace. The actor Laurence Olivier carried it as a surname, and in Quebec and France it has been a top name for decades. In the United States Olivier ranked number 2789 in 2000, peaked at number 1833 in 2011 and stands at number 2559 in 2025.