| Cotter, William; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | CHARLES E. WILLIAMS | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | ALICE STRONG | Lookout |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | ALICE STRONG | Chief Engineer |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | ALICE STRONG | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | PROTECTION | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | ROBERT GREENHALGH JR. | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | PROTECTION | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | PROTECTION | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MAGGIE SANBORN | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | N. B. GATES | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MONITOR 104 | First Mate |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | L. P. SMITH | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | JAMES AMADEUS | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | S. S. STONE | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | CHARLES HENRY | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | J. R. SPRANKLE | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | JOHN GREGORY | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | BEN CAMPBELL | Captain |
| Cotter, William; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | BEN CAMPBELL | Captain |