Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30
Mid Armagh was won by Irish Unionist at the 1918 general election, with a majority of 2,742 votes over Sinn Féin. This page covers every general election in Mid Armagh from 1885 to 1918.
Full Election History, 1885–1918
Election
Elected
Votes
Vote Share
Runner-up
Majority
Turnout
1885
John McKane (Irish Unionist)
4,178
61.0%
Edmund Leamy (Irish Parliamentary Party)
1,511 (22.1 pts)
83.8%
1886
James Porter Corry (Irish Unionist)
4,160
62.3%
Robert Riddall Gardner (Irish Parliamentary Party)
1,638 (24.5 pts)
81.8%
1892
Dunbar Plunket Barton (Irish Unionist)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1895
Dunbar Plunket Barton (Irish Unionist)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1900
John Brownlee Lonsdale (Irish Unionist)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1906
John Brownlee Lonsdale (Irish Unionist)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
Jan 1910
John Brownlee Lonsdale (Irish Unionist)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
Dec 1910
John Brownlee Lonsdale (Irish Unionist)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1918
James Rolston Lonsdale (Irish Unionist)
8,431
59.7%
Liam O'Brien (Sinn Féin)
2,742 (19.4 pts)
81.4%
Full Result Breakdown by Election
1885
Candidate
Party
Votes
Share
Elected
John McKane
Irish Unionist
4,178
61.0%
Yes
Edmund Leamy
Irish Parliamentary Party
2,667
39.0%
No
1886
Candidate
Party
Votes
Share
Elected
James Porter Corry
Irish Unionist
4,160
62.3%
Yes
Robert Riddall Gardner
Irish Parliamentary Party
2,522
37.7%
No
1892
Candidate
Party
Votes
Share
Elected
Dunbar Plunket Barton
Irish Unionist
Unopposed
Yes
1895
Candidate
Party
Votes
Share
Elected
Dunbar Plunket Barton
Irish Unionist
Unopposed
Yes
1900
Candidate
Party
Votes
Share
Elected
John Brownlee Lonsdale
Irish Unionist
Unopposed
Yes
1906
Candidate
Party
Votes
Share
Elected
John Brownlee Lonsdale
Irish Unionist
Unopposed
Yes
Jan 1910
Candidate
Party
Votes
Share
Elected
John Brownlee Lonsdale
Irish Unionist
Unopposed
Yes
Dec 1910
Candidate
Party
Votes
Share
Elected
John Brownlee Lonsdale
Irish Unionist
Unopposed
Yes
1918
Candidate
Party
Votes
Share
Elected
James Rolston Lonsdale
Irish Unionist
8,431
59.7%
Yes
Liam O'Brien
Sinn Féin
5,689
40.3%
No
Margin Over Time
Winning margin (percentage points) at each election, coloured by the winning party.
Trend
Mid Armagh has been contested at 9 general elections on record since 1885. Parties that have won a seat here over that span: Irish Unionist.
Frequently Asked Questions
Who won Mid Armagh in the 1918 general election?
Irish Unionist won Mid Armagh in 1918 with 8,431 votes (59.7%), a majority of 2,742 votes over Sinn Féin in second place.
Which parties have won Mid Armagh since 1885?
Since 1885, Mid Armagh has been won by: Irish Unionist.
What was the closest result in Mid Armagh?
The closest result on record for Mid Armagh was 1918, when Irish Unionist beat Sinn Féin by just 2,742 votes (19.4 percentage points).