What does Dwain mean?
Dwain \d-wain\ as a boys' name is of Irish and Gaelic origin, and the name Dwain means "dark, swarthy". Dwain is a derivative of Duane (Irish, Gaelic). Dwain is also a derivative of Dwayne (Irish, Gaelic): from the Gaelic "dubh", meaning "dark".
Dwain▼ has 1 more different form via Duane, Dwayne: Duante.
Dwain is a somewhat popular first name for men (#1032 out of 1220, Top 85%) but a unique last name for both adults and children. (2000 U.S. Census)
Displayed below is the birth name popularity of Dwain for boys. Dwain was first listed in 1920-1929 and reached its peak position of #593 in the U.S. during 1950-1959, but is not listed currently. (Top 1000 Baby Names Statistics, 2014)
Dewayne, Duane, Duwayne, Dwaine, Dwane and Dwayne (#881 last year) are the popular variation forms of Dwain. Usage of these boy names was at its most widespread during the years 1960-1969 (usage of 0.4091%) and is now much lower (usage 0.017%, down 95.8%), with the versions Dewayne, Duane, Duwayne, Dwain and Dwayne becoming somewhat outmoded. Displayed below is an analysis of the usage of Dwain and related names. (Top 1000 Baby Names Statistics, 2014)