Elsy is a spelling of Elsie, which began as a Scottish pet form of Elizabeth; the Hebrew source Elisheva is usually read as "my God is an oath" or "God is abundance". The y spelling is especially common in Central America, which is why Elsy in the United States is often a Latina name. It made a leap from number 4261 in 2018 to number 1563 in 2020, its best rank, and stands at number 2341 in 2025.