Hello Bob,
I looked in the Hannover records on the British government archives. There were 5 entries mentioning the Italian town of Ferrara and this one below showing an army record (no entry with one 'r'):
WO 97/1157/115
BICENTE FERRARA Born ST IAGO CUBA, West Indies Served in 3rd West India Foot Discharged aged 38
http://www.catalogue.nationalarchives.gov.uk/search.asp
Rena