Isherwood, I. F (1835-37)
Isherwood, I. F., 20 Lamb's Conduit St, London, painter, paperhanger, carver and gilder (1835–37). In 1837 also at 6 New Bond St. [D]
The original entry from Dictionary of English Furniture Makers, 1660-1840 can be found at British History Online.