The 19th New Brunswick Legislative Assembly represented New Brunswick between February 12, 1862, and February 8, 1865.
| Electoral District | Name |
|---|---|
| Saint John County | John W. Cudlip |
| Timothy W. Anglin | |
| John Jordan | |
| Charles N. Skinner | |
| York | Charles Fisher |
| George L. Hatheway | |
| John C. Allen | |
| Hiram Dow | |
| Westmorland | Albert J. Smith |
| James Steadman | |
| Amand Landry | |
| William J. Gilbert | |
| Kings | George Ryan |
| Edwin A. Vail | |
| Walter Bates Scovil | |
| Queens | John Ferris |
| Samuel H. Gilbert | |
| Charlotte | Arthur Hill Gillmor |
| George S. Grimmer[1] John McAdam (1864) | |
| James Boyd | |
| James G. Stevens | |
| Northumberland | Robinson Crocker |
| Edward Williston | |
| John M. Johnson | |
| George Kerr | |
| Sunbury | William Edward Perley |
| John Glasier | |
| Kent | Francis McPhelim |
| Lestock P. W. DesBrisay | |
| Gloucester | Robert Young |
| John Meahan | |
| Carleton | David Munro |
| William Lindsay | |
| Restigouche | John McMillan |
| John Montgomery | |
| Albert | Abner R. McClelan |
| Reuben Stiles | |
| Victoria | David B. Raymond |
| John Costigan | |
| Saint John City | Charles Watters |
| Samuel Leonard Tilley |