What does Seymore mean?
Seymore is a rare given name for males but a very popular last name for all people (#7056 out of 150436, Top 5%). (2000 U.S. Census)
The only popular related form of Seymore (#unlisted) is Seymour. These boy names were at the peak of their popularity during the years 1920-1929 (usage of 0.777%) and have become much less widespread since, with Seymour becoming less fashionable. Below is a charted analysis of the usage of the boy name Seymore and related names. (Top 1000 Baby Names Statistics, 2014)