Claudius, Roman emperor, [387].
Cliodna, fairy queen of Munster, [244].
Clontarf, battle of, [53].
Clûd, goddess of the river Clyde, [284], [285].
Cluricanes, [248].
Cnoc Miodhchaoin, [97].
Cnucha, battle of, [209].
Coblynau, [393].
Cocidius, a war-god worshipped by a Dacian colony in Cumberland, [275].
Coed Helen, [310].