What does Claus mean?
Claus /claus/ as a boys' name is of German and Greek origin, and the meaning of Claus is "people of victory".
How popular is Claus?
Claus is an uncommonly occurring first name for males but a very prominent last name for all people (#8393 out of 150436, Top 6%). (2000 U.S. Census)
Below is a graphed comparison of the usage of Claus and associated names. Cole (#116 2 years ago), Colin (#140), Collin (#223), Nicholas (#57), Niklas and Nils are the popular alternative forms of Claus (outside Top 1000). Other variants, like Claas, are seldom used. These relations of Claus reached the peak of their popularity in the year 2003 (usage of 0.6163%) and are almost as common today (usage 0.5773%, 6.3% less). Nicholas has been the most well-known version, although Cole seems to be becoming a favorite too. (Top 1000 Birth Names Records, 2014)
A recommended similar baby name is Claud. This name tends to be more frequently used than Claus.