The name Dewey is a boy's name of Welsh origin meaning "beloved". Dewey and is often added to lists like Names That Mean Love and discussed in our forums with posts like "A brother or sister for little Jack or Olivia".
From the experts:
Not heard since the 1980s, Dewey shot into the Top 20 in 1898 thanks to the popularity of Spanish-American War naval hero Admiral George Dewey. Dewey has subtle links to his Welsh roots and relation to father name David . The name was borne by the fifth century St. Dewi, patron saint of Wales. Later references include the namesake of the library Dewey Decimal System, a Donald Duck nephew, the younger brother on Malcolm in the Middle and Lemony Snicket character Dewey Denouement. It has a strong but dewy feel and is appealing enough to be ripe for a modern revival.