Sorry that appears to be MITCHELL DE ROSEY

De Rosey (1869a). Board of Trade: Agreement and Account of Crew (Foreign Going Ship). For 'Knight Errant' (ON 25.074), for voyage 08 June 1868 - 20 March 1869. Master: Donald Taylor, replaced in December 1868 by Mitchell De Rosey. [Access: Memorial University of Newfoundland, Maritime History Archive, St John's, Canada. May 2008]

De Rosey (1869b). Board of Trade Official Log Book No 4 for either foreign going or home going ship: 'Knight Errant' (ON 25.074), for "Calcutta" voyage 08 June 1868 - 20 March 1869. Master: Donald Taylor, replaced in December 1868 by Mitchell De Rosey. [Access: Memorial University of Newfoundland, Maritime History Archive, St John's, Canada. May 2008]

But maybe De Rosey is a variation to look for !!

Di