La Ferté-Alais

The town was known under the name Firmitas, Firmitas Aalipdis, Firmitas Adelaidis, Ferte in 1091, Firmitas Balduini, la Ferté Baudouin in the 12th century from the name of its lord in the 11th century, Feritas, Firmitas Aidelaidis around 1200, apud Feritatem Alisie in 1266, la Ferté Aales around 1263. The name La Ferte-Aleps appears in the Cassini maps and the final name of the commune is registered during its creation in 1793. It is possible to find the name La Ferté-Alaix and afterwards La Ferté-Alais in the law bulletin in 1801. But the final name will remain from 1845 onwards. ==Population==

Inhabitants of La Ferté-Alais are known as Fertois in French. ==See also==