Thelma

Etymology
A literary invention, first appeared in the novel Kyrkoinvigningen i Hammarby (1840-1841) by Emilie Flygare-Carlén, translated into English as "The Magic Goblet" (1845). Similar names of ambiguous origin, Elma, Selma, Velma, appeared in the 19th century.

By folk etymology explained as Ancient Greek. Notice also the Spanish and Portuguese, a rare feminine form of , ultimately from or Saint Elmo.

Usage notes
Popular in English in early 20th century due to 's eponymously titled. The name has been little used in Scandinavia.