The Marquess of Portland is a title in the British peerage, created in 1784. It is associated with the Portland family, particularly known for their historical significance and land ownership in Dorset and Nottinghamshire. The title has been held by several notable individuals, contributing to British society and politics. The current holder of the title is the 10th Marquess of Portland, who succeeded his father in 1990. The family has a rich heritage, including connections to the Duke of Portland and various estates, such as Welbeck Abbey, which is known for its beautiful gardens and historical architecture.