Nicolas-François Villon was born on 4th April, 1773 in Saint-Nicolas d'Aliermont.
Charles Philippe LeCoultre was born on 4th April, 1798 in Le Chenit.
François Charles LeCoultre was born on 4th April, 1801 in Le Chenit.
Louis Japy was born on 4th April, 1804 in Beaucourt.
Franciszek Czapek was born on 4th April, 1811 in Semonice (now part of Jaroměř), Bohemia.
Flore-Marguerite Crevier was born on 4th April, 1836 in Saint-Nicolas d'Aliermont.
Joséphine-Alphoncine Bréard was born on 4th April, 1843 in Saint-Nicolas d'Aliermont.
Hortense-Fidéline Grard was born on 4th April, 1855 in Saint-Nicolas d'Aliermont.
Hortence-Eugênie Legrand was born on 4th April, 1858 in Freulleville.