Dowson \do(w)-son\ as a boy's name is a variant of Dow (Irish, Gaelic), and the meaning of Dowson is "dark-haired".
The baby name Dowson sounds like Dawson, Dayson and Dyson. Other similar baby names are Dotson, Doron, Dorion, Dottson, Dotsen, Dowan, Hewson, Lawson and Rawson.