mar·tyr·ol·o·gy 
(mär′tə-rŏlə-jē)
(mär′tə-rŏlə-jē)n. pl. mar·tyr·ol·o·gies
1. An official list or catalog of religious martyrs, especially of Christian martyrs.
2. An account of the life and manner of death of a martyr.
3. The branch of ecclesiastical history or hagiography that deals with martyrs.
mar′tyr·olo·gist n.