Glenda is a feminine given name of Scottish origin, derived from the Middle English word 'glen' meaning 'valley'. It was popularized as a given name by Sir Walter Scott's poem "The Lady of the Lake" in the early 19th century. The name Glenda has also been used as a surname in Scotland and England.
The name Glenda saw its peak popularity during the years 1942 to 1948, with a high of 19 births in 1943. However, it appears that by the late 1960s, its usage had significantly declined, with only 5 births recorded in 1965 and 6 in 1966. Overall, there were 295 babies named Glenda between 1935 and 1966.