a study of a collection of persons or characters, esp. their appearances, careers, personalities, etc., within a historical, literary, or social context.
2.
a description of a person's appearance, career, personality, etc.
pros·o·pog·ra·phy (prŏs'ə-pŏg'rə-fē) n. A study, often using statistics, that identifies and draws relationships between various characters or people within a specific historical, social, or literary context: "an authentic tour de force of historical writing: part intellectual history, part cultural history, part prosopography"(Josiah Bunting III).
[Greek prosōpon, character (pros-, pros- + ōps, ōp-, face; see okw- in Indo-European roots) + -graphy.] pros'o·po·graph'i·cal (-pə-grāf'ĭ-kəl) adj.