The given name Denna is of English origin, derived from the Old English word "dene," which means "valley" or "dell." It was initially a topographic surname used to identify someone who lived in or near a valley.

The earliest recorded use of the name Denna dates back to the 13th century in England. One of the earliest known bearers of this name was Denna de Clopton, who lived in the town of Clopton in Warwickshire, England, during the late 1200s.

In the Middle Ages, the name Denna appeared in various historical documents and records, such as the Domesday Book, which was a comprehensive survey of landowners and tenants in England commissioned by William the Conqueror in 1086.

Throughout history, several notable individuals have borne the name Denna. One of the most prominent was Denna Bunnell (1638-1712), a English colonist who settled in New Haven, Connecticut, in the mid-17th century. She is known for her involvement in the controversial witchcraft trials of the time.

Another significant figure was Denna Falconer (1785-1865), a Scottish poet and novelist who gained recognition for her works depicting the rural life and landscapes of her native country.

In the 19th century, Denna Willoughby (1822-1892) was a British philanthropist and social reformer who dedicated her life to improving the living conditions of the working class in London's East End.

The name Denna also has connections to the arts. Denna Mackay (1891-1972) was an American actress and singer who performed on Broadway and in several Hollywood films during the early 20th century.

More recently, Denna Laing (born 1984) is a former professional ice hockey player from Canada who represented her country in international competitions and played in the Canadian Women's Hockey League.

While the name Denna has remained relatively uncommon throughout history, its origins and associations with notable individuals across various fields have contributed to its unique character and enduring legacy.