The name Reynier is of German origin, derived from the Germanic elements 'Ragin', meaning 'advice' or 'wise counsel', and '-heri', which signifies 'army' or 'warrior'. This name was once popular among the nobility in medieval Europe due to its association with wisdom and martial prowess. It has since become quite rare, giving it a unique and distinctive character. Spelling variations of Reynier include Reinhard, Reinhold, Rainald, and Rainer, each offering insight into the name's evolution over time. In terms of usage, Reynier is most commonly found in France, where it has been present for generations, though it can also be encountered in other European countries with historical ties to Germany.
"Reynier saw an uptick in newborns between 2005 and 2009, with a total of 11 babies born over this period."