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.
(male) Erinst, Ernest, ..
(female) Ernsti, Ernta, ..
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. Demographics)
Charted below is the birth name history of Ernst for boys. Ernst was first listed in 1880-1889 and reached its top position of #557 in the U.S. then, but is not listed currently. (Top Baby Names, 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 a century ago (usage of 0.8%) and is now much lower, with forms such as Earnest going out of style.