Murle is of Scandinavian origin, deriving from the Old Norse 'Myr' meaning 'protection'. It was used as both a personal name and a surname during the Viking Age. Murle is quite unique, yet it shares some popularity with its variant forms such as Murl and Muriel.
The name Murle experienced variable popularity throughout the early 20th century, with peaks occurring around World War I and again in the mid-1930s. The highest number of births recorded was 13 in both 1916 and 1918, coinciding with the war years. However, overall, the name's usage was relatively uncommon as indicated by the total of only 189 births over this span.