Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30
William Sears (Sinn Féin) were elected unopposed for South Mayo at the 1918 general election. This page covers every general election in South Mayo from 1885 to 1918.
Full Election History, 1885–1918
Election
Elected
Votes
Vote Share
Runner-up
Majority
Turnout
1885
James Francis Xavier O'Brien (Irish Parliamentary Party)
4,953
98.5%
George Orme Malley (Irish Unionist)
4,878 (97.0 pts)
63.0%
1886
James Francis Xavier O'Brien (Irish Parliamentary Party)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1892
James Francis Xavier O'Brien (Irish Parliamentary Party)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1895
Michael Davitt (Irish Parliamentary Party)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1900
John O'Donnell (Irish Parliamentary Party)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
1906
John O'Donnell (Irish Parliamentary Party)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
Jan 1910
John O'Donnell (All-for-Ireland)
2,667
54.5%
Conor O'Kelly (Irish Parliamentary Party)
441 (9.0 pts)
62.1%
Dec 1910
John Fitzgibbon (Irish Parliamentary Party)
100
100.0%
None (None)
None (None pts)
1.3%
1918
William Sears (Sinn Féin)
Elected unopposed — no other candidate stood, no vote count on record
0.0%
Full Result Breakdown by Election
1885
Candidate
Party
Votes
Share
Elected
James Francis Xavier O'Brien
Irish Parliamentary Party
4,953
98.5%
Yes
George Orme Malley
Irish Unionist
75
1.5%
No
1886
Candidate
Party
Votes
Share
Elected
James Francis Xavier O'Brien
Irish Parliamentary Party
Unopposed
Yes
1892
Candidate
Party
Votes
Share
Elected
James Francis Xavier O'Brien
Irish Parliamentary Party
Unopposed
Yes
1895
Candidate
Party
Votes
Share
Elected
Michael Davitt
Irish Parliamentary Party
Unopposed
Yes
1900
Candidate
Party
Votes
Share
Elected
John O'Donnell
Irish Parliamentary Party
Unopposed
Yes
1906
Candidate
Party
Votes
Share
Elected
John O'Donnell
Irish Parliamentary Party
Unopposed
Yes
Jan 1910
Candidate
Party
Votes
Share
Elected
John O'Donnell
All-for-Ireland
2,667
54.5%
Yes
Conor O'Kelly
Irish Parliamentary Party
2,226
45.5%
No
Dec 1910
Candidate
Party
Votes
Share
Elected
John Fitzgibbon
Irish Parliamentary Party
100
100.0%
Yes
1918
Candidate
Party
Votes
Share
Elected
William Sears
Sinn Féin
Unopposed
Yes
Margin Over Time
Winning margin (percentage points) at each election, coloured by the winning party.
Trend
South Mayo has been contested at 9 general elections on record since 1885. Parties that have won a seat here over that span: Irish Parliamentary Party, All-for-Ireland, Sinn Féin.
Frequently Asked Questions
Who won South Mayo in the 1918 general election?
William Sears (Sinn Féin) were elected unopposed for South Mayo in 1918 -- no other candidate stood.
Which parties have won South Mayo since 1885?
Since 1885, South Mayo has been won by: All-for-Ireland, Irish Parliamentary Party, Sinn Féin.
What was the closest result in South Mayo?
The closest result on record for South Mayo was Jan 1910, when All-for-Ireland beat Irish Parliamentary Party by just 441 votes (9.0 percentage points).