The standard modern word represents the northern Middle English term, an agent derivative of mille 'mill', reinforced by Old Norsemylnari (see Milner). In southern, western, and central England, Millward (literally, 'mill keeper') was the usual term.[5]
The name Miller also has a history in Northern Ireland, notably County Antrim where many migrants from Northern England and Scotland settled in the 17th century Ulster plantations.[8]
In 2020, Miller was the 24th most common surname on the birth, death and marriage registers in Scotland; Millar is 75th.[4]
In the United States
According to the 2010 U.S. Census, Miller was the 7th most common surname in the United States, the number of occurrences was 1,161,437.[4]
In 2007, about 1 in every 25 Americans were named Smith, Johnson, Williams, Brown, Jones, Miller or Davis. Miller was the seventh most common surname.[9]
The surname Miller in the United States can also be the result of anglicization of:
surnames from other European languages, for example: French - Meunier, Dumoulin, Demoulins and Moulin, Dutch - Molenaar, Mulder and Smulders, Danish - Møller, Italian - Molin, Molinaro and Molinari, Spanish - Molinero or Molino (= mill), Romanian - Morariu, Hungarian - Molnár, Slavic - Mlinar, Mlinarić or Melnik, Greek - Mylonas (Μυλωνάς) etc.[5][6]
Miller is also the third most common surname among Jews in the United States (after Cohen and Levy), from the Yiddish cognate of Müller, which would be Miller (מיללער) or Milner[10](מילנער).
Miller is also the most common surname in the Amish, originating from Müller in Switzerland.[11]
^ abcH.L. Mencken, American Language, 2012, p. 477 "A large proportion of our Millers would be more exactly known as Müller, Mühler or Möller, and another substantial group as Millar"