Some of his pianos still survive, most of them being of the popular "Cottage Upright" or "Piccolo" model but as they are very old and have wooden frames they are almost impossible to keep tuned. There is a fine example of a grand piano made by him, in the Musical Instruments collection at the Victoria and Albert Museum in London.

He married Catherine Nicholson and they had nine children, their eldest son was Ralph Nicholson Wornum, who was treated by his father to many years of study and travel.