What does Dwaine mean?
Dwaine \d-waine, dwa(i)-ne\ as a boys' name. Dwaine's name origins are Irish and Gaelic, and the name Dwaine means "dark, swarthy". Dwaine is a variation of Duane (Irish, Gaelic). Dwaine is also a variation of Dwayne (Irish, Gaelic): from the Gaelic "dubh", meaning "dark".
Dwaine has 1 more different form via Duane, Dwayne: Duante.
Dwaine is an unusual given name for men. Dwaine is an equivalently unusual surname too for both adults and children. (2000 U.S. Census)
Shown below is the baby name popularity of Dwaine for boys. Dwaine entered the list in 1930-1939 and reached its peak position of #844 in the U.S. then, but is not ranked currently. (Top 1000 Baby Names Statistics, 2014)
Shown below is an analysis of the popularity of Dwaine and related names. Dewayne, Duane, Duwayne, Dwain, Dwane and Dwayne (#881 a year ago) are the prominent variation forms of Dwaine. These boy names were at the top of their popularity during the years 1960-1969 (usage of 0.4091%) and have become much less widespread since (usage 0.017%, down 95.8%), with the forms Dewayne, Duane, Duwayne, Dwain and Dwayne becoming somewhat dated. (Top 1000 Baby Names Statistics, 2014)