The Collaborative International Dictionary of English v.0.48:

Necrologic \Nec`ro*log"ic\, Necrological \Nec`ro*log"ic*al\, a.
   [Cf. F. n['e]crologique.]
   Of or pertaining to necrology; of the nature of necrology;
   relating to, or giving, an account of the dead, or of deaths.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "necrological":
   archival, autobiographical, biographical, chronologic, cinerary,
   dirgelike, dismal, documental, documentary, documentational,
   epigraphic, epitaphic, exequial, feral, funebrial, funebrious,
   funebrous, funeral, funerary, funereal, hagiographic, historic,
   historied, historiographic, legendary, martyrologic, mortuary,
   mournful, obituary, obsequial, sepulchral, testimonial,
   traditional