Meaning and name origin
Dewey \de-wey\ as a boy's name is pronounced DOO-ee. It is of Welsh origin. Place name and surname; a variant of David. Melvil Dewey invented the Dewey Decimal System in 1876 which was used as the organizing principle for the majority of American libraries, until the Library of Congress changed the act and all the numbers.
Dewey is a very popular first name for males (#434 out of 1220, Top 36%) and also a very popular surname or last name for all people (#2841 out of 88799, Top 3%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Dewey for boys (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Dewey and its variant forms. Popular variation forms ranked in the Top 1000/100 are David (#18) and Dewey. (2014 statistics).