What does Thayer mean?
Thayer /thay-er/ [2 sylls.] as a boys' name is of Old English origin. Possibly related to Thatcher.
How popular is Thayer?
Thayer is a rare first name for males but a very popular surname for all people (#2014 out of 150436, Top 1%). (2000 U.S. Census)
Thatcher (#862 in 2014) is the only prominent alternative form of Thayer (not ranked). Variants like Thacher are seldom used. Adoption of this boy name was at its apex in 2014 (usage of 0.138%). Below is a graphed comparison of the usage of the boy name Thayer and affiliated names. (Top 1000 Birth Names Statistics, 2014)
A recommended similar baby name is Traye. Like Thayer, this name is not frequently used.