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Compare

Keir Mather vs Dr Peter Prinsley

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 Dr Peter Prinsley
Dr Peter Prinsley
Lab Bury St Edmunds and Stowmarket

Voting alignment

Keir Mather and Dr Peter Prinsley voted the same way 100% of the time, based on 345 shared comparable votes.

345 same votes 0 different votes 345 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
32 Aye 33 No
Tax 100% aligned 65 shared votes
32 Aye 33 No
28 Aye 12 No
Education 100% aligned 40 shared votes
28 Aye 12 No
18 Aye 15 No
Crime / Justice 100% aligned 33 shared votes
18 Aye 15 No
11 Aye 17 No
Defence 100% aligned 28 shared votes
11 Aye 17 No
11 Aye 8 No
Benefits 100% aligned 19 shared votes
11 Aye 8 No
Most different by topic
32 Aye 33 No
Tax 100% aligned 65 shared votes
32 Aye 33 No
28 Aye 12 No
Education 100% aligned 40 shared votes
28 Aye 12 No
18 Aye 15 No
Crime / Justice 100% aligned 33 shared votes
18 Aye 15 No
11 Aye 17 No
Defence 100% aligned 28 shared votes
11 Aye 17 No
11 Aye 8 No
Benefits 100% aligned 19 shared votes
11 Aye 8 No

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

Voting record

75.4 %
3 % above average
Rank 304 of 649
Participation
83.8 %
11 % above average
Rank 124 of 649
589
781 eligible divisions
Total votes
482
575 eligible divisions
290
49.2 % of votes cast
Aye votes
245
50.8 % of votes cast
299
50.8 % of votes cast
No votes
237
49.2 % of votes cast
0
0.0 % of votes cast
Against party
0
0.0 % of votes cast
2 years, 11 months
Since 20 Jul 2023
Commons service
2 years, 0 months
Since 4 Jul 2024

Debates

99
+20.5 vs Commons average
Rank 152 of 649
Appearances
166
+87.5 vs Commons average
Rank 34 of 649
486
+346.7 vs Commons average
Rank 20 of 649
Contributions
242
+102.7 vs Commons average
Rank 88 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
£206,728
all imported IPSA years
£306,391
35 % above average
Latest expenses
£206,728
9 % below average
1
1 registered category
Registered interests
8
4 registered categories
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
Defence
34 of 34 votes
Transport
31 of 33 votes
#2
Energy
20 of 20 votes
Democracy / Parliament
12 of 13 votes
#3
Migration
13 of 13 votes
Benefits
27 of 31 votes
#4
Digital / Online Safety
11 of 11 votes
NHS / Health
12 of 14 votes
#5
Democracy / Parliament
10 of 10 votes

Recent voting overlap

These MPs agreed on every division where both voted in the current comparison sample.

Where they voted the same
Aye
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026 15 Jul 2026
Trade Work / Employment
Aye
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
Aye
No
Public Office (Accountability) Bill Report Stage: Amendment 19 14 Jul 2026
No
No
Public Office (Accountability) Bill Report Stage: Amendment 199 14 Jul 2026
No
No
Public Office (Accountability) Bill Report Stage: Amendment 3 14 Jul 2026
No
Aye
Immigration and Asylum Bill: Second Reading 13 Jul 2026
Migration
Aye
No
Immigration and Asylum Bill: Reasoned Amendment to Second Reading 13 Jul 2026
Migration
No
Aye
Draft Children’s Wellbeing and Schools Act 2026 (Establishment of Schools) (Consequential Amendments) Regulations 2026 8 Jul 2026
Education
Aye
Aye
Draft Supply of Machinery (Safety) (Amendment etc.) and the EU Machinery Regulation (Enforcement etc. in Northern Ireland) Regulations 2026 8 Jul 2026
Aye
Aye
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
Aye
Member source UK Parliament Members API
Voting source Commons Votes API