Boulder is a male name with a strong and rugged feel. It is pronounced as BOHL-dur (/ˈboʊldər/). The name Boulder is associated with strength and stability, much like the solid rock it represents. It has no known variations, but can also be linked to the name Rock, which carries a similar connotation. While not very common, Boulder has been given to a handful of newborn boys in the United States over the past decade. In 2013, there were 5 recorded occurrences of the name Boulder, ranking at number 12,131. This unique name is sure to make your little one stand out from the crowd.