Monday
A surname from the day name Monday, originally a nickname or given-name-based byname for someone connected with that day.
The #6,336 most common surname in the United States (2010 Census) — about 1 in every 57,398 Americans shares it.
Etymology
This surname is generally taken from the weekday name Monday, from Old English Mōnandæg, meaning “moon day.” In surname use, it likely began as a nickname, a reference to someone born on, found on, or otherwise associated with that day. Older writers also note that some similar-looking forms in French and English records can be confused with other names, so not every historical spelling is certain.
History
Bardsley and Harrison both treat Monday as one of the surnames derived from days of the week. The name appears in English records by the 17th and 18th centuries in the excerpts provided, and it remains a rare surname in modern use. Similar forms such as Munday can overlap in spelling and pronunciation, which has sometimes blurred the history of the name.
Origin
Regions
Variant spellings
Fun fact
The weekday word behind this surname originally meant “moon day,” not “Monday” in the modern calendar sense.
From the historical record
“richly wooded. — Nat. Gas. MONDAY (Eng.) a pers. name and nickname from the day [O.E. mSnandag, m., day ot the moon] (Fr.-Teut.) the French Mondy, a dim. form oi Raimond [v. Raymond] MONEY (Fr.) Bel. to Monnai (Orne), France [prob. Fr. monnaie,.'Lat. moneta, a mint] MONEYPENNY (Eng.) app. for Manypenny,”
— Surnames of the United Kingdom: a concise etymological dictionary (2 vols in 1)