Meaning and history
From an English surname derived from the name of a town in Normandy, whose Old French meaning was “dead water” or “still water.”
20042004: no US SSA record for this spelling
2005: no US SSA record for this spelling
2006: no US SSA record for this spelling
2007: no US SSA record for this spelling
2008: no US SSA record for this spelling
20092009: no US SSA record for this spelling
2010: no US SSA record for this spelling
2011: no US SSA record for this spelling
2012: no US SSA record for this spelling
2013: no US SSA record for this spelling
20142014: no US SSA record for this spelling
2015: 5 births, rank #12,086
2016: no US SSA record for this spelling
2017: no US SSA record for this spelling
2018: no US SSA record for this spelling
20192019: 5 births, rank #12,145
2020: 8 births, rank #8,739
2021: 6 births, rank #10,799
2022: no US SSA record for this spelling
20232023: 5 births, rank #12,239
Mortimer moved from #879 to #887 for boys between 1924 and 1925. Its highest annual birth count came in 1916, with 91 births.