What does Ernst mean?
Ernst /ern-st/ as a name for boys. Ernst's name origin is Old German, and the meaning of the name Ernst is "serious business; battle to the death". Ernst is an alternate spelling of Ernest (Old German): from the word eornost. Earnst is a common surname.
How popular is Ernst?
Ernst is a rare given name for males but a very popular surname for both adults and children (#1775 out of 150436, Top 1%). (2000 U.S. Census)
Charted below is the birth name popularity of Ernst for boys. Ernst reached its top position of #489 in the U.S. in the 1900s, but is not listed currently. (Top 1000 Baby Names Statistics, 2014)
Prominent varying forms of Ernst are Ernesto (#651 last year), Ernest (#880), Earnest and Ernie. Usage of these forms of Ernst was at its highest during the years 1940-1949 (usage of 0.59%) and is now much lower (usage 0.09%, 84% less), with the forms Ernest, Ernie, Ernst and Earnest becoming less in vogue. Ernesto is the most fashionable baby name among these. Below is a charted analysis of the popularity of Ernst and affiliated names. (Top 1000 Baby Names Statistics, 2014)