Meaning and name origin
Robertson \r(o)-bert-son, rob(er)-tson\ as a boy's name is of Old German origin, and the meaning of Robertson is "bright fame". Robertson is a variant of Robert (Old German): a favorite name for boys since the Middle Ages.
Robertson is not a popular first name for males but a very popular surname or last name for all people (#147 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Robertson and its source form. The only popular variation form ranked in the Top 1000/100 is Robert (#61). (2014 statistics).
A suggested similar baby name is Roberto. This name tends to be more commonly used than Robertson.