Penelope Loader, Lady Aitken, MBE (2 December 1910 - 7 February 2005), styled The Honorable Lady Aitken and nicknamed 'Pempe', was an English socialite.Born Penelope Loader Maffey, she was the daughter of Sir John Maffey, later 1st Baron Rugby, who was to become Governor-General of the Sudan, Permanent Secretary of the Colonial Office and wartime Ambassador to Dublin. Earlier, he had been the private secretary to the Viceroy of India and Governor of the North-West Frontier Province, thus Penelope was born in Peshawar and spent her early years in India, where three of her siblings died in childhood.