This street is perhaps its name to the lords of Mondetour, and particularly Claude Foucault, Lord of Mondetour who was
alderman of the city of
Paris in
1525 under the provost master Jean Morin. Other historians assumed that the name of this track is a street Maudestour alteration or Bad Detour.
Bibliography
Henri Sauval : History and research of the antiquities of the city of Paris
Jean La Tynna, Dictionary topographic, etymological and historical of the streets of Paris (1817)
Jacques Hillairet , Historical Dictionary of the streets of Paris
Guillot de Paris , Le Dit des rues de Paris with preface, notes and glossary by Edgar Mareuse