Ernst
Ernst is a masculine given name of German origin. It is the German form of Ernest and derives from a word meaning serious or earnest. The name has been used in German-speaking regions since the Middle Ages and has appeared in literature, science, and public life across the German-speaking world.
Notable bearers include Ernst Haeckel (1834–1919), a biologist and philosopher; Ernst Mach (1838–1916), a physicist and
The name is most common in Germany, Austria, and Switzerland, though it is recognized in other countries