Definition of "Elsa"

A friend that I envied — it was the same friend who had benefited from admiring Cosette's jewelry, a girl whose name was Elsa and whom naturally we called Lioness —

1988, Barbara Vine, The House of Stairs, Onyx, published 1990, page 35

Do you remember the wave of Elsas that arrived shortly after the release of Frozen at the end of 2013? It became one the fastest-climbing names of the following year before dropping back, and then had another (smaller) spike in 2019 when Frozen II came out.

2022, Eleanor Turner, “On-screen inspo”, in Baby Names 2023, White Ladder, Hodder & Stoughton, part one (Naming your baby)