Modern American creation, likely a variation of Antoine
Datwan is a modern American name, most likely developed as a phonetic variation of the French name Antoine or the English Anthony. It emerged within African American naming traditions in the late 20th century, following patterns of creative prefixing and vowel shifts. Because it is a contemporary invention, it does not have a singular ancient etymological root beyond its connection to the name Anthony.
Less common today
Datwan isn't in the latest US Top 1000. It last peaked at #4,985 in 1990.
US births per 5-year period, 1990βpresent (SSA data).