<P> Two giants live in Britain's land, John Doe and Richard Roe, Who always travel hand in hand, John Doe and Richard Roe . Their fee - faw - fum's an ancient plan To smell the purse of an Englishman, And,' ecod, they'll suck it all they can, John Doe and Richard Roe...</P> <P> This particular use became obsolete in the UK in 1852: </P> <P> As is well known, the device of involving real people as notional lessees and ejectors was used to enable freeholders to sue the real ejectors . These were then replaced by the fictional characters John Doe and Richard Roe . Eventually the medieval remedies were (mostly) abolished by the Real Property Limitation Act of 1833; the fictional characters of John Doe and Richard Roe by the Common Law Procedure Act 1852; and the forms of action themselves by the Judicature Acts 1873--75 ." Secretary of State for Environment, Food, and Rural Affairs (Respondent) v Meier and another (FC) (Appellant) and others and another (FC) (Appellant) and another (2009). </P> <P> In the UK, usage of "John Doe" survives mainly in the form of John Doe Injunction or John Doe Order (see above). </P>

Where did the names jane doe and john doe come from