Meaning and history
From a surname derived from the Old English name Æðelmær, Elmer in the United States is sometimes used in honor of brothers Jonathan (1745–1817) and Ebenezer Elmer (1752–1843), who were active in early American politics.
Elmer moved from #857 to #910 for boys between 2007 and 2009. Its highest annual birth count came in 1918, with 4,373 births.