Immigration's role in the growth of Ottawa

Immigration has been part of the Ottawa story from the time that Irish labourers and Scottish stone masons flocked to the city to build the Rideau Canal.
Those newcomers helped to populate Bytown, a settlement laid out by Lt.-Col John By of the Royal Engineers, who had been tasked with constructing a canal from the Ottawa River to Kingston.
This painting by Canadian Charles W. Jefferys (1869-1951), shows early Rideau Canal construction.
That first influx of immigrants would be followed by succes