John Doe is sometimes used to refer to a typical male in other contexts as well, in a similar manner as John Q. Public, Joe Public or John Smith. For example, on various forms, the first name listed is often John Doe, along with a fictional address or other fictional information, to provide an example of how to fill out the form. The name is also used frequently in popular culture, for example in the Frank Capra film Meet John Doe. John Doe was also the name of a 2002 American television series.
Similarly, a child or baby whose identity is unknown may be referred to as Baby Doe. A notorious murder case in Kansas City, Missouri referred to the baby victim as Precious Doe. Other unidentified female murder victims are Cali Doe and Princess Doe. Additional persons may be called James Doe, Judy Doe, etc. However, to avoid possible confusion, if two anonymous or unknown parties are cited in a specific case or action, the surnames Doe and Roe may be used simultaneously; for example, "John Doe v. Jane Roe". Other variations are John Stiles and Richard Miles, now rarely used, and Mary Major, which has been used in some American federal cases.
The Doe names are often, though not always, used for anonymous or unknown defendants. Another set of names often used for anonymous parties, particularly plaintiffs, are Richard Roe for males and Jane Roe for females (as in the landmark U.S. Supreme Court abortion decision Roe v. Wade).
Bearing the actual name John Doe can cause difficulty, such as being stopped by airport security or suspected of being an incognito celebrity.
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