Margaret Hoover
Margaret Claire Hoover (born December 11, 1977) is an American political commentator, political strategist, media personality, feminist, gay rights activist, author, and great-granddaughter of Herbert Hoover, the 31st U.S. President. She is the best-selling author of the book "American Individualism: How A New Generation of Conservatives Can Save the Republican Party", published by Crown Forum in July 2011. Hoover is currently host of PBS's reboot of the conservative interview show "Firing Line".
Hoover was born in Colorado, the daughter of Jean (Williams), a flight attendant, and Andrew Hoover, a mining engineer.
Margaret Roberts (herbalist)
Margaret Joan Roberts (1937 – 4 March 2017) was a South African herbalist and author of over 40 books on herbs and related topics. Margaret Roberts brought herbs into South Africa over 60 years ago and gave lectures about the benefits of herbs and healthy living, her motto was to 'Educate and Inspire'. 
The Margaret Roberts Herbal Centre in De Wildt, North West Province was developed by Margaret and is named after her, this continues with her daughter Sandy Roberts who has worked with Margaret for 32 years. Margaret has lent her name to product ranges including food ranges, toiletries, gifts, kitchenware, stationery, textiles, seeds and books. The Margaret Roberts Herbal Centre is known to be one of the top ten gardens in South Africa. Margaret is well known for her Margaret Roberts lavenders which she cross cultivated over 15 years and which is endemic to South Africa, also known for her Ginger Rosemary, High Hopes Basil and Margaret Roberts Rose, all of these varieties are named after her.