English Proper noun Granier (plural Graniers) A surname. Statistics According to the 2010 United States Census, Granier is the 20574th most common surname in the United States, belonging to 1288 individuals. Granier is most common among White (91.93%) individuals. Anagrams Garnier, angrier, earring, grainer, rangier, rearingWikiwand - on Seamless Wikipedia browsing. On steroids.