Court case at http://www.isle-of-man.com/manxnotebook/fulltext/an1847/p486.htm - this refers to a case in http://www.isle-of-man.com/manxnotebook/fulltext/an1847/p465.htm (where harpur noted as harper - will check if my mis-scan or a typo in original text)
have Harpur Major William Conway Seamount House in 1837 who is noted as There is a carving in Croft End dating from 1842 for W. C. Harpur Dec. 1842-a major on the strength of Castle Rushen. and in KWC register Harpur, George Cosby, born May 17th, 1820. Left Nov. 15th, 1834.

Son of Major W. C. Harpur, Seamount, Castletown, I.O.M. Day boy. Medical Student. Died May, 1854, at Seamount, Castletown, I.O.M.