Police and ambulance crews were called to the home of Lynsay Jackson, 35, in Crossmichael, Dumfries and Galloway, yesterday morning.
An investigation is being carried out but police said there were no suspicious circumstances.
Jackson, who ran the David Coulthard Museum in Twynholm, is survived by her husband, Will and eight-month-old daughter Emily.
A spokesman for Dumfries and Galloway Police said: "A 35-year-old woman was found dead in her home today in Crossmichael. Our enquiries are ongoing at this time but there are not believed to be any suspicious circumstances and a report is being prepared for the procurator fiscal."