Retcon article(covers information that was retroactively changed)
Walter O'Reilley was a Human who was kin to descendants of Clare Raymond.
O'Reilley's name was displayed on a computer readout of the Raymond family's genealogy, along with others such as Charles E. Winchester, Sherman T. Potter, Frances J. Mulcahey, and Margaret Houlihan. (TNG: "The Neutral Zone", okudagram)
O'Reilley and others in the list are references to characters in M*A*S*H productions. 
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