The 1911 Ross and Cromarty by-election was a Parliamentary by-election held on 14 June 1911. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post voting system.
Vacancy.
James Galloway Weir died. He had been the sitting Liberal MP since 1892.
Electoral history.
This was a safe Liberal seat that the party had won at every election since 1847. Weir was returned at the last general election in December 1910. The previous contested election before that was the General Election in January 1910;
Electorate 8,211
! scope="col" colspan="2" style="width: 130px"|Party
! scope="col" style="width: 17em"|Candidate
! scope="col" style="width: 5em"|Votes
! scope="col" style="width: 3.5em"|%
! scope="col" style="width: 3.5em"| ;templatestyles src="Template:Tooltip/styles.css" / ;±%
! colspan="3" style="text-align: right; margin-right: 0.5em" | Majority
! colspan="3" style="text-align: right; margin-right: 0.5em" scope=row | Turnout
! style="text-align:right;" | Swing
Result.
Polling took place on 14 June. Macpherson easily held the seat for the Liberals. Compared with the last contested election, his share of the vote only dropped by 1%;
Electorate
! scope="col" colspan="2" style="width: 130px"|Party
! scope="col" style="width: 17em"|Candidate
! scope="col" style="width: 5em"|Votes
! scope="col" style="width: 3.5em"|%
! scope="col" style="width: 3.5em"| ;templatestyles src="Template:Tooltip/styles.css" / ;±%
! colspan="3" style="text-align: right; margin-right: 0.5em" | Majority
! colspan="3" style="text-align: right; margin-right: 0.5em" scope=row | Turnout
! style="text-align:right;" | Swing
Aftermath.
A General Election was due to take place by the end of 1915. By the autumn of 1914, the following candidates had been adopted to contest that election. 
Due to the outbreak of war, the election was postponed. Macpherson supported the Lloyd George Coalition Government and received their endorsement at the 1918 election. 
Electorate 20,685
! scope="col" colspan="2" style="width: 130px"|Party
! scope="col" style="width: 17em"|Candidate
! scope="col" style="width: 5em"|Votes
! scope="col" style="width: 3.5em"|%
! scope="col" style="width: 3.5em"| ;templatestyles src="Template:Tooltip/styles.css" / ;±%
! colspan="3" style="text-align: right; margin-right: 0.5em" | Majority
! colspan="3" style="text-align: right; margin-right: 0.5em" scope=row | Turnout
! style="text-align:right;" | Swing
Templeton did not contest the 1918 elections but was later elected as MP for Banffshire.
References.
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