What does Ernesta mean?
Ernesta \e-rnes-ta, er-ne-sta\ as a name for girls is of Old German origin, and the name Ernesta means "serious; battle to the death". Ernesta is a variant of Ernestine (Old German): elaborated feminine form of Ernest. See also Erna and Nesta.
Ernesta is an unusual given name for women. Ernesta is an equivalently unusual last name too for all people. (2000 U.S. Census)
Ernestine, Ernestina, Erna and Earnestine are the popular variation forms of Ernesta (#unlisted) rated in the Top 1000. These girl names were at the height of their popularity during the years 1930-1939 (usage of 0.5155%) and have become significantly less popular since, with the forms Earnestine, Erna, Ernestina and Ernestine becoming less trendy. Below is a graphed analysis of the popularity of Ernesta and associated names. (2014 Birth Statistics)