Christian: Satan; the powers of darkness; solitude; mourning; desolation; bad news. The call of the owl is the 'song of death’. The owl was used to depict Jews who preferred the darkness to the light of the gospel.
Egyptian: Death; night; coldness.
Graeco-Roman: The screed owl symbolized wisdom and was sacred to Athena/Minerva. The owl was an attribute of the Etruscan god of darkness and of Night.
Hebrew:Blindness.
Hindu: Emblem of Yama, god of the dead.
Japanese: Death; ill omen.
Mexican: Night; death.
[Source: An Illustrated Encyclopedia of Traditional Symbols by J.C. Cooper]