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Compare

Keir Mather vs Neil O'Brien

A side-by-side comparison of voting participation, party rebellion, topic focus, and recent voting overlap.

Photograph of Keir Mather
Keir Mather
Lab Selby
vs
Photograph of Neil O'Brien
Neil O'Brien
Con Harborough, Oadby and Wigston

Voting alignment

Keir Mather and Neil O'Brien voted the same way 2% of the time, based on 413 shared comparable votes.

10 same votes 403 different votes 413 shared votes

Alignment only includes divisions where both MPs recorded an Aye or No vote. Tellers, absences, abstentions, and missing votes are excluded.

Topic alignment

Closest by topic
6 Aye 2 No
Environment / Climate 13% aligned 8 shared votes
3 Aye 5 No
11 Aye 8 No
Benefits 11% aligned 19 shared votes
6 Aye 13 No
4 Aye 10 No
Democracy / Parliament 7% aligned 14 shared votes
9 Aye 5 No
20 Aye 28 No
Crime / Justice 6% aligned 48 shared votes
27 Aye 21 No
39 Aye 26 No
Tax 0% aligned 65 shared votes
26 Aye 39 No
Most different by topic
39 Aye 26 No
Tax 0% aligned 65 shared votes
26 Aye 39 No
24 Aye 9 No
Education 0% aligned 33 shared votes
9 Aye 24 No
20 Aye 11 No
Work / Employment 0% aligned 31 shared votes
11 Aye 20 No
6 Aye 22 No
Migration 0% aligned 28 shared votes
22 Aye 6 No
10 Aye 14 No
Defence 0% aligned 24 shared votes
14 Aye 10 No

Topic alignment uses local topic tags, so a division can count towards more than one topic.

Voting record

75.6%
3% above average
Rank 296 of 649
Participation
84.7%
12% above average
Rank 102 of 649
602
796 eligible divisions
Total votes
1,797
2,121 eligible divisions
294
48.8% of votes cast
Aye votes
888
49.4% of votes cast
308
51.2% of votes cast
No votes
909
50.6% of votes cast
0
0.0% of votes cast
Against party
6
0.3% of votes cast
3 years, 2 months
Since 20 Jul 2023
Commons service
9 years, 3 months
Since 8 Jun 2017

Debates

103
+19.3 vs Commons average
Rank 160 of 649
Appearances
19
-64.7 vs Commons average
Rank 600 of 649
546
+400.1 vs Commons average
Rank 16 of 649
Contributions
24
-121.9 vs Commons average
Rank 598 of 649

Debate figures cover imported Hansard debate appearances from the last 12 months.

Financials and interests

£451,152
all imported IPSA years
Lifetime expenses
£1,900,002
all imported IPSA years
£306,391
35% above average
Latest expenses
£311,946
38% above average
1
1 registered category
Registered interests
1
1 registered category
0
matched sponsored bills
Sponsored bills
0
matched sponsored bills

Expenses use IPSA totals for financial year 2024-25. Sponsored bill counts depend on currently imported bill sponsor metadata.

Most active voting topics

Education
50 of 52 votes
#1
Foreign Affairs
67 of 69 votes
Democracy / Parliament
16 of 17 votes
#2
Environment / Climate
44 of 46 votes
Transport
31 of 33 votes
#3
Brexit / EU
178 of 188 votes
Benefits
27 of 31 votes
#4
Defence
66 of 71 votes
NHS / Health
12 of 14 votes
#5
Trade
80 of 87 votes

Recent voting overlap

Where they voted differently
Aye
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
No
Aye
Draft Plant Health, Seeds, Seed Potatoes and Plant Propagating Material (Amendment) (Northern Ireland) Regulations 2026 9 Sept 2026
No
No
Health Bill: Report Stage: Amendment 1 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 143 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 142 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 145 7 Sept 2026
Aye
Aye
Representation of the People Bill: Third Reading 2 Sept 2026
Democracy / Parliament
No
No
Representation of the People Bill: Report Stage: New Clause 67 2 Sept 2026
Democracy / Parliament
Aye
No
Representation of the People Bill: Report Stage: New Clause 65 2 Sept 2026
Democracy / Parliament
Aye
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
No
Where they voted the same
No
Representation of the People Bill: Report Stage: New Clause 88 2 Sept 2026
Democracy / Parliament
No
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
No
Sentencing Bill Committee: New Clause 30 21 Oct 2025
Crime / Justice
No
No
Universal Credit and Personal Independence Payment Bill Committee: New Clause 8 9 Jul 2025
Benefits
No
No
Universal Credit and Personal Independent Payment Bill Committee: Amendment 39 9 Jul 2025
Benefits
No
Aye
Terrorism Act 2000 (Proscribed Organisations) (Amendment) Order 2025 2 Jul 2025
Crime / Justice
Aye
No
Crime and Policing Bill Report Stage: Amendment 160 17 Jun 2025
Crime / Justice
No
Aye
Draft Equality Act 2010 (Amendment) Regulations 2023 13 Dec 2023
Aye
Aye
Draft Vehicle Emissions Trading Schemes Order 2023 4 Dec 2023
Environment / Climate
Aye
Aye
Misuse of Drugs Act 1971 (Amendment) Order 2023 12 Sept 2023
Aye
Member source UK Parliament Members API
Voting source Commons Votes API