Great to know that you are interested in the UK Compton connection.
I am ashamed to say that I have mislaid my visitors' booklet to Compton Wynyates, or 'Compton in the Hole'. However, the family history is well documented in it. From recall the line ceased in terms of the right to live in the house a long while ago. There have been many stories of Compton's all over the world trying to prove direct lineage. There has also been surmise about money in trust! Will help as soon as I can, but check out Steve Compton's message 5 March. He says that what you want is available in the Library of Congress. Let me know how you get on. Chris