Mary Wilde, Baroness Penzance (22 December 1825-24 October 1900), born Lady Mary Pleydell-Bouverie, was an English gardener. She was the daughter of William Pleydell-Bouverie, 3rd Earl of Radnor

William Pleydell-Bouverie, 3rd Earl of Radnor

William Pleydell-Bouverie, 3rd Earl of Radnor , styled Viscount Folkestone until 1828, was the son of Jacob Pleydell-Bouverie, 2nd Earl of Radnor and Hon. Anne Duncombe....

 and Judith Anne St. John-Mildmay. She married Sir James Wilde

James Wilde, 1st Baron Penzance

James Plaisted Wilde, 1st Baron Penzance was a noted British judge and rose breeder who was also a proponent of the Baconian theory that the works usually attributed to William Shakespeare were in fact authored by Francis Bacon....

 in 1860, becoming Baroness Penzance on her husband's elevation to the peerage in 1869. The couple resided at Eashing Park, Godalming

Godalming

Godalming is a town and civil parish in the Waverley district of the county of Surrey, England, south of Guildford. It is built on the banks of the River Wey and is a prosperous part of the London commuter belt. Godalming shares a three-way twinning arrangement with the towns of Joigny in France...

. She shared her husband's passion for rose

Rose

A rose is a woody perennial of the genus Rosa, within the family Rosaceae. There are over 100 species. They form a group of erect shrubs, and climbing or trailing plants, with stems that are often armed with sharp prickles. Flowers are large and showy, in colours ranging from white through yellows...

s and helped him in his rose breeding. One of his rose cultivar

Cultivar

A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

s is named "Lady Penzance" in her honour. Lady Penzance died on October 24, 1900