To make things easier for myself I am posting some of the links that I have been reading/scanning to get some background information/feelings about the inhabitants of Trelissick House, and in particular Ida Copeland, and the Copeland Family.
1. Basic review on the gardens before the house was opened. Has a few thoughts on the feelings the place evokes for them. http://www.touruk.co.uk/gardens/gardenscorn_trelissick.htm#text
2. Detailed information on Ida Copeland and her career in politics/government. Good few links to follow up on dates of articles in The Times newspaper on her and other references to her. http://barneshistorian.com/vm-copeland.php
3. Article in MailOnline about the auction of the treasures within the stately home. http://www.dailymail.co.uk/news/article-2353508/The-3million-garden-sale-Aristocratic-family-auctioning-contents-stately-home-ultimate-downsize.html
4. Press release regarding the sale of the contents of the house by Bonhams. http://www.bonhams.com/press_release/13208/
5. Review about living at Trelissick on This is The Westcountry. Video and text dated 2006. http://www.thisisthewestcountry.co.uk/tourism/beauty_spots/695413.living_at_trelissick/
6. NT article on how to help with the buying and restoring of the house so that it can be opened to the public with links on how to donate. http://www.nationaltrust.org.uk/trelissick-garden/donate-now/
7. NT article on the history of the house. http://www.nationaltrust.org.uk/article-1355791834262/