Lendal is an uncommon and unique given name of unknown origin, meaning it does not have a known etymology or derivation from other languages. There are no records of Lendal being used as a name in any historical period or culture. It's possible that Lendal was created as a fictional name for a character or invented for personal reasons by someone who wanted their child to have an unusual and distinctive name.
"Over a span of twenty-seven years (1931-1958), the name Lendal was given to a total of 27 children. There were peaks in popularity during certain periods; specifically, there were six births each in 1935 and 1940, suggesting a brief boom in interest for the name around that time."