House & Family History: In 1975 the 9th Lord Howard de Walden donated the castle, the estate, and important collections of musical instruments and arms and armor to the people of Kilmarnock.
House Listed: Category A
Park Listed: Not Listed
Past Seat / Home of: Sir Thomas Boyd, 14th century; James Boyd, 18th century; Boyd family here from 1316 until 1746. Thomas Evelyn Scott-Ellis, 8th Baron Howard de Walden and 4th Baron Seaford, 1900-46; John Osmael Scott-Ellis, 9th Baron Howard de Walden and 5th Baron Seaford, 1946-75.
Current Ownership Type: Government
Primary Current Ownership Use: Visitor Attraction
Ownership Details: Owned by East Ayrshire Council
House Open to Public: Yes
Phone: 01563-574-916
Website: https://www.deancastlecountrypark.com
Historic Houses Member: No