Rl is of uncertain origin and meaning, often considered to be a variant spelling of the name Ralph. It has been used sparingly throughout history, but gained some popularity in the mid-20th century. Today, it remains quite rare, contributing to its unique character.
In the span of four years from 1921 to 1925, there were 15 children born with the name Rl., an average of just over one birth per year during this period.