— Frances, Countess of: see Essex

Clare, or Thomond, County of, [125], [127], [141], [147], [148], [175], [176], [188], [189], [266], [285], [301], [310], [311], [365], [366]: see Thomond

Clare Castle, [365]

— Galway, [44]

— Island, [190]

Clavijo, Don Bartholomeo Paez de, [402]

Clear, Cape, [180], [181]

Clement VIII. (Aldobrandini), Pope, [400]

Clere, David, [463]

Clew Bay, [20], [38], [44], [175], [189], [193]