What Is 2nd Ministry of Sir John A. Macdonald

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Last updated: April 15, 2026

Quick Answer: The Second Ministry of Sir John A. Macdonald began on October 17, 1878, following the Conservative victory in the 1878 federal election, and lasted until his death on May 23, 1891. It marked a transformative period in Canadian history, highlighted by the completion of the Canadian Pacific Railway in 1885 and the implementation of the National Policy to boost domestic industry.

Key Facts

Sir John A. Macdonald's Second Ministry began on October 17, 1878, after winning the 1878 election.
The ministry ended with Macdonald’s death on May 23, 1891, after 12 years and 7 months in power.
The National Policy, introduced in 1879, included high tariffs to protect Canadian manufacturers.
The Canadian Pacific Railway was completed in 1885, connecting Eastern and Western Canada.
The North-West Rebellion occurred in 1885, leading to the trial and execution of Louis Riel.

Overview

Sir John A. Macdonald’s Second Ministry was the longest continuous government in his political career, marking a pivotal era in Canada’s early nation-building. It followed his return to power after defeating Alexander Mackenzie’s Liberals in the 1878 election, fueled by public demand for economic recovery and national development.

The ministry capitalized on Macdonald’s vision of a strong, unified Canada stretching from sea to sea. Its policies shaped Canada’s economic and political landscape for decades, setting precedents in federal authority, Indigenous relations, and infrastructure expansion.

The 1878 election saw Macdonald’s Conservatives win 134 seats compared to the Liberals’ 63, giving him a decisive mandate to implement his National Policy.
The National Policy, introduced in 1879, combined protective tariffs, western settlement, and railway construction to reduce reliance on American imports and strengthen internal trade.
The Canadian Pacific Railway (CPR) was completed in 1885, six years ahead of its original 1891 deadline, with the last spike driven on November 7, 1885, in Craigellachie, British Columbia.
The 1885 North-West Rebellion led to the arrest and execution of Métis leader Louis Riel, a decision that deepened linguistic and regional divisions, particularly in Quebec.
Indigenous policies during this period included the expansion of the residential school system and the enforcement of the pass system, both aimed at assimilating First Nations into Euro-Canadian society.

How It Works

The Second Ministry operated under the Westminster parliamentary system, with Macdonald serving as Prime Minister and head of a majority Conservative government. Cabinet decisions were made collectively, though Macdonald maintained strong personal control over key initiatives.

Term: The ministry lasted from October 17, 1878, to May 23, 1891, making it the longest of Macdonald’s three terms. It spanned five parliamentary sessions and four general elections (1878, 1882, 1887, 1891).
Cabinet structure included 13 ministers at its peak, overseeing departments such as Finance, Justice, and the Interior, with key figures like Sir Samuel Leonard Tilley and Hector-Louis Langevin.
Budget and taxation relied heavily on customs duties, which accounted for over 60% of federal revenue, supporting infrastructure and military spending.
Legislative agenda focused on economic protectionism, immigration promotion, and centralizing federal power over provincial jurisdictions.
Electoral strategy involved patronage appointments and railway contracts to secure support in swing ridings, particularly in Ontario and the Maritimes.
Foreign relations remained under British oversight, but Macdonald pushed for greater Canadian autonomy, especially in trade negotiations with the U.S.

Comparison at a Glance

Key differences between Macdonald’s first and second ministries highlight shifts in policy focus, duration, and national impact.

Feature	First Ministry (1867–1873)	Second Ministry (1878–1891)
Duration	6 years	12 years, 7 months
Major Policy	Confederation and initial nation-building	National Policy and CPR construction
Election Wins	1867, 1872	1878, 1882, 1887, 1891
Scandal	1873 Pacific Scandal	No major resignation scandal
Indigenous Relations	Treaty 1–6 signed	North-West Rebellion and Riel’s execution

The Second Ministry benefited from stronger economic planning and more cohesive party discipline than the First. While both faced Indigenous challenges, the second term’s actions had longer-lasting social consequences, particularly in Western Canada.

Why It Matters

The legacy of Macdonald’s Second Ministry continues to influence Canadian governance, infrastructure, and national identity. Its policies laid the foundation for a centralized federal state and a distinct Canadian economic model.

The National Policy transformed Canada’s economy by increasing industrial output; manufacturing grew by over 200% between 1878 and 1891.
The CPR enabled rapid settlement of the Prairies, with Western Canada’s population increasing from 100,000 in 1881 to over 350,000 by 1891.
Centralized federalism strengthened Ottawa’s authority, setting a precedent for intervention in provincial matters during national crises.
Immigration campaigns under Clifford Sifton (later) built on this era’s foundation, attracting over 1.5 million settlers by 1914.
Controversial legacies include the suppression of Métis rights and the expansion of residential schools, contributing to intergenerational trauma.
Political longevity demonstrated Macdonald’s skill in balancing regional interests, maintaining power despite economic downturns and ethnic tensions.

Ultimately, the Second Ministry defined Macdonald as Canada’s preeminent nation-builder, blending visionary infrastructure with deeply flawed social policies that continue to be reassessed today.