Meaning and name origin
Thor \thor\ as a boy's name is pronounced thor. It is of Old Norse origin, and the meaning of Thor is "thunder". Mythology: Thor was the Norse god of thunder and power, one of the sons of Odin. Thursday was named for Thor. Explorer Thor Heyerdahl.
For more information, see also the related boy name Soren.
Thor is not a popular first name for males but a very popular surname or last name for all people (#11439 out of 88799, Top 13%) (2000 U.S. Census).