Deroy

For other uses, see De Roy (disambiguation).

Deroy or De Roy is a given name and French surname of Norman origin.

Coat of arms of Le Roy, Normandy. Bibliothèque nationale de France.

Deroy

Pronunciation	/ˈrɔɪ/
Gender	Male
Origin
Word/name	Old Norman, Old French
Meaning	Of King
Region of origin	France
Other names
Variant form(s)	Roy
Related names	Leroy, Leroi

In France, this family name originated from the Normans, the descendants of Norse Vikings who migrated to Amigny, a commune in Manche, Normandy.^[1][2][3][4] The derivation is from de meaning "of" and the Old French roy, roi (French pronunciation: [ʁwa]), meaning "king", which was a byname used before the Norman Conquest and a personal name in the Middle Ages.^[5]

Coat of arms for the Knights Templar.

Earliest references cite Guillaume de Roy (William of Roy), who was a knight of the Knights Templar and one of several knights and feudal lords (seigneur)^[6][7][8][9] of the Roy family in France and Switzerland.^[10][11][12]

De Roy may also be a Dutch surname, being an Americanized or Flemish variant of De Rooij.^[13] Notable people with the name include:

People with the given name

• Aaronel deRoy Gruber (1918–2011), American painter, sculptor, photographer and artist
• Deroy Duarte (born 1999), Dutch and Cape Verdean footballer
• Deroy Murdock, American political commentator
• Terry deRoy Gruber, American photographer, author and filmmaker

People with the surname

Deroy

• Bernhard Erasmus von Deroy (1743–1812), Bavarian general
• Jamie Gruber, known as Jamie deRoy, American producer of Broadway plays and performer
• Ophelia Deroy, French philosopher and professor

De Roy

• Arendt de Roy (d. 1589), Flemish or Dutch architect
• Félix de Roy (1883–1942), Belgian astronomer
• Hendrik de Roy (1598–1679), known as Henricus Regius, Dutch philosopher, physician, and professor of medicine
• Michel de Roy (1948–2021), French writer
• Susan DeRoy, American politician