Meaning and Name Origin
Seymore \se(y)-mo-re\ as a boys' name. Seymore's root is English, and the name Seymore means "Saint-Maur". Seymore is a form of Seymour (English): the name of a place in northern France. Unique as a birth name for boys.
Seymore is a rare given name for males but a very popular last name for all people (#4217 out of 88799, Top 5%). (2000 U.S. Census)
Below is a charted analysis of the popularity of the boy name Seymore and related names. The only popular related form of Seymore (#unlisted) appearing in the Top 1000 is Seymour. This boy name was at the peak of its popularity during 1920-1929 and has become much less widespread since, with the form Seymour becoming less fashionable. (2014 Birth Statistics)