This is an English place name as the Domesday Book (1086 AD) records five areas with the name: Walthamstow Essex, Waltham Berkshire, Waltham on the Wolds Leicestershire, Waltham Lincolnshire, and Waltham Holy Cross Essex.
The name means “the enclosure of the dwelling by the Wood”. It derives from the Old English word weald (wood) and hamm (an enclosure). The letter D in the name ended up becoming a T. Early spelling variants include Wealtham.
Early notables recorded by primary source documents include Matilda de Waltham in county Norfolk (1273), Maurice de Waltham in London, Henry de Waltham in county Leicester, William de Waltham in county Lincoln, Thomas de Waltham in county Sussex, Roger de Waltham in county Bedford, and David Waltham in county Devon. A marriage between William Waltham and Anne Winch was recorded in Canterbury in 1663.
John Olimus, a representative in Parliament, became the first Baron of Waltham in 1762 in the Peerage of Ireland.
There is a city named Waltham in Massachusetts that was settled in the year 1634.