Meaning and name origin
Erna \e-rna, er-na\ as a girl's name is of Old Norse origin, and the meaning of Erna is "capable". Mythology: name of the wife of the demi-god Jarl. Also short form of Ernesta or Ernestina, feminine forms of Ernest.
For more information, see also the related girl name Ernestine.
Erna is a very popular first name for females (#929 out of 4276, Top 22%) but an uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Erna for girls. Erna reached its highest rank of #227 in the U.S. in 1900-1909. (2014 statistics).
Erna▼ is also pronounced similarly to Arna, Orna and Warna. Other suggested similar baby names are Edna▼, Eena, Eirana, Eirena, Elna▼, Ena▼, Erda, Erena, Erene, Erga, Erin▼, Erina, Erinn, Erinna, Erla, Erma▼, Erwina, Eryn, Erynn, Etna and Euna. These names tend to be less commonly used than Erna.