The name Liezl is a diminutive form of the German name Elisabeth, which is derived from the Hebrew name Elisheva, meaning "God is my oath." Its origins can be traced back to the Middle Ages in Central and Western Europe.

The earliest recorded use of the name Liezl dates back to the 16th century in German-speaking regions, particularly in Austria and Bavaria. It was a popular name among the German nobility and aristocracy during this time period.

One of the most famous historical figures with the name Liezl was Liezl Maria Augusta Nefzer-Richtner (1899-1991), an Austrian operatic soprano who performed in several prominent opera houses across Europe in the early 20th century.

Another notable Liezl was Liezl Schmelzer (1910-1997), a German actress and dancer who appeared in several films and stage productions during the 1930s and 1940s.

In the late 19th century, the name Liezl gained popularity in literature and folklore. It was the name of a character in the classic German children's book "Heidi" by Johanna Spyri, published in 1880.

Liezl Kiesewalter (1916-1999) was an Austrian figure skater who competed in the 1936 Winter Olympics and later became a renowned skating coach.

The name Liezl has also been associated with the musical "The Sound of Music," where it was the name of one of the von Trapp children. This helped to further popularize the name in the English-speaking world in the mid-20th century.