| Common name | Williamson's whitefish |
| Language | English |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Canada |
| Locality | British Columbia |
| Ref. | Scott, W.B. and E.J. Crossman, 1973 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | color pattern(s) |
| 1st modifier | person (eponym) |
| 2nd modifier | |
| Remarks | 'whitefish', i.e., any of the various market fishes with white flesh that is not oily (p. 1345 in Ref. 11978); 'Wiliamson', i.e., after Liet. R.S. Williamson of the United States Pacific Railroad Exploration (Re. 1998). |