In 1818 he returned to Paris as deputy for Finistere, and sat in the Chamber till 1824, becoming one of the recognized liberal leaders.
His son, comte Emile de Keratry (1832-), became deputy for Finistere in 1869, and strongly supported the war with Germany in 1870.
In the following January he received from the pope a letter commending his action, and encouraging him in his social reforms. He was defeated at the general election of that year, but in 1894 was returned for Finistere (Morlaix).
He had meanwhile been sent to suppress revolts in the districts of Rhone, Eure, Calvados and Finistere, where he had been able to pursue a conciliatory policy.
Bretagne), known as Armorica until the influx of Celts from Britain, an ancient province and duchy of France, consisting of the north-west peninsula, and nearly corresponding to the departments of Finistere, Cotes-duNord, Morbihan, Ille-et-Vilaine and Lower Loire.