What does Seymore mean?
Seymore /sey-more/ [2 sylls.] as a boys' name. Seymore's root is English, and the name Seymore means "Saint-Maur". Seymore is an alternate form of Seymour (English). Compare surname Semore.
How popular is Seymore?
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 (outside Top 1000) is Seymour. This boy name was at the peak of its popularity during the years 1920-1929 (usage of 0.777%) and has 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)