Meaning and Name Origin
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); historical: many Irish and Scottish names have the meaning "dark" or "black". 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. (2014 Birth Statistics)
Shown below is an analysis of the popularity of the boy name Dwaine and related names. Prominent variation forms of Dwaine appearing in the Top 1000 are Dewayne, Duane, Duwayne, Dwain, Dwane and Dwayne (#881 a year ago). These boy names were at the top of their popularity during the years 1960-1969 and have become much less widespread since, with the forms Dewayne, Duane, Duwayne, Dwain and Dwayne becoming somewhat dated. (2014 Birth Statistics)