More on Dicky Sam from Infoplease:

• Dicky Sam - Dicky Sam A native-born inhabitant of Liverpool, as Tim Bobbin is a native of Lancashire. Source: ...
• Nicknames - Nicknames National Nicknames: For an American of the United States, “Brother Jonathan” ...
• Dictionary of Phrase and Fable: D - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "D"