Erwan Vallerie ː Sancti Kecoledoci, 1197; Parrochia Sacti Gue, 1270; Portum Orieut in Parrochia Sacti Kequoledoci, 1273; Sanctus Ke, XIVvet; Port Oriot, 1370; Sancto Que, 1371; Sancto Ke, 1516; Saint Que, 1709