Meaning and name origin
Magnus \mag-nus\ as a boy's name is pronounced MAG-ness. It is of Latin origin, and the meaning of Magnus is "great". A royal name in Norway and Denmark; also a saint's name. The name was introduced from Scandinavia to Scotland.
For more information, see also the related boy name Maxwell.
Magnus is not a popular first name for males but a very popular surname or last name for all people (#13720 out of 88799, Top 15%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Magnus for boys (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Magnus and its variant forms. Popular variation forms ranked in the Top 1000/100 are Maxwell (#107) and Magnus (#977). (2014 statistics).
A suggested similar baby name is Magus. Like Magnus, this name is not commonly used.