Delanne is of French origin, derived from the Occitan female given name 'Delaune,' which is composed of the elements 'dala,' meaning 'dell' or 'valley,' and 'ana,' meaning 'water.' This suggests that Delanne may have been originally associated with locations near bodies of water. It was popular in France during the Middle Ages, particularly in the southern regions where Occitan was spoken.
"Delanne had five occurrences as a birth name in 1953."