What does Thurstan mean?
Thurstan /thur-stan/ [2 sylls.] as a boys' name is of Old English origin, and the meaning of Thurstan is "Thor's stone". Thurstan is an alternate form of Thurston (Old English): also possibly "Thor's town". Compare surname Thuston.
How popular is Thurstan?
Thurstan is an unusual first name for men. Thurstan is an uncommon last name too for both adults and children. (2000 U.S. Census)
Thurston is the only popular related form of Thurstan (outside Top 1000). Adoption of this boy name reached its highest during 1920-1929 (usage of 0.138%) and is now less. Below is a charted comparison of the usage of Thurstan and associated names. (Top 1000 Birth Names Records, 2014)