namefellow

Noun

 * 1)  A person with whom one shares a surname or given name, or both.
 * 2) * 1882, A.C. Swinburne, Tristram of Lyonesse; the protagonist of the poem travels to Brittany, where he meets another knight named Tristam, where they are described thus:
 * But by the sea-banks where at morn their foes / Might find them, lay those knightly name-fellows, / One sick with grief of heart and sleepless, one / With heart of hope triumphant as the sun