1863 address:
McMullen James A., M.A., Glenlyon School, Castle Mona road
this is I think the road that runs along the back of the Sefton Hotel - aka DOUGLAS COLLEGIATE SCHOOL - A private school 1852-66. Many of the children were sons of military men who had retired to the Island. Day pupils and boarders ages ranging from 11 to 16 years.

By1887 Castle Lawn Terrage - Glenlyon—Noble, Henry, B, Orphanage but was a school at least as far back as 1837: George Mrs. Edw. S. (ladies' boarding), Glenlyon house,Castle lawn

Glenlyon is one of the many titles of the Duke of Atholl