The current parish Saint-Brice-en-Coglès was called in 1050 Puignac. In this village the missionaries had built a church on behalf of Saint Brice name of a bishop of Tours. The town is part of Coglais, ancient Gallo-Roman district. The Lordship of Saint-Brice-en-Coglès whose existence dates back to the tenth century was within the Barony of Ferns who was among nine Baronnies the Duchy of Brittany, which was very important because it defended the entrance of the duchy to the Normans, the French and the English. It seems that Raoul II, Baron de Fougères, at war with Henry II of England married a daughter of the lord of Saint-Brice. The latter, with its fortified castles of the Motte and the Rock-Portal, defended the marches against the English Barony installed at St James.
This granite countries bears a name of Breton origin. The main reason relates to the word Coglais Gougleiz Breton, "Kleiz" meaning "north".
In the early twentieth century, several granite quarries was working several hundred people.
Today Saint-Brice is the capital of the canton, which includes 11 municipalities.
Since 2007, the municipality is Village Stage and Village since 2012 in Poetry. It also hosts the Tourist Office Coglais.