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Compare

Keir Mather vs Olivia Bailey

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 Olivia Bailey
Olivia Bailey
Lab Reading West and Mid Berkshire

Voting alignment

Keir Mather and Olivia Bailey voted the same way 97% of the time, based on 319 shared comparable votes.

309 same votes 10 different votes 319 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
22 Aye 28 No
Tax 100% aligned 50 shared votes
22 Aye 28 No
22 Aye 13 No
Education 100% aligned 35 shared votes
22 Aye 13 No
24 Aye 4 No
Work / Employment 100% aligned 28 shared votes
24 Aye 4 No
15 Aye 9 No
Crime / Justice 100% aligned 24 shared votes
15 Aye 9 No
12 Aye 8 No
Benefits 100% aligned 20 shared votes
12 Aye 8 No
Most different by topic
22 Aye 28 No
Tax 100% aligned 50 shared votes
22 Aye 28 No
22 Aye 13 No
Education 100% aligned 35 shared votes
22 Aye 13 No
24 Aye 4 No
Work / Employment 100% aligned 28 shared votes
24 Aye 4 No
15 Aye 9 No
Crime / Justice 100% aligned 24 shared votes
15 Aye 9 No
12 Aye 8 No
Benefits 100% aligned 20 shared votes
12 Aye 8 No

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

Voting record

73.0%
1% above average
Rank 352 of 650
Participation
74.2%
2% above average
Rank 326 of 650
615
842 eligible divisions
Total votes
472
636 eligible divisions
297
48.3% of votes cast
Aye votes
235
49.8% of votes cast
318
51.7% of votes cast
No votes
237
50.2% of votes cast
0
0.0% of votes cast
Against party
10
2.1% of votes cast
3 years, 3 months
Since 20 Jul 2023
Commons service
2 years, 4 months
Since 4 Jul 2024

Debates

115
+18.0 vs Commons average
Rank 178 of 650
Appearances
82
-15.0 vs Commons average
Rank 315 of 650
611
+441.8 vs Commons average
Rank 16 of 650
Contributions
219
+49.8 vs Commons average
Rank 152 of 650

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

Financials and interests

£451,152
all imported IPSA years
Lifetime expenses
£210,175
all imported IPSA years
£306,391
35% above average
Latest expenses
£210,175
7% below average
1
1 registered category
Registered interests
5
3 registered categories
0
matched sponsored bills
Sponsored bills
1
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
NHS / Health
11 of 11 votes
Democracy / Parliament
16 of 17 votes
#2
Foreign Affairs
16 of 17 votes
Transport
31 of 36 votes
#3
Work / Employment
39 of 42 votes
NHS / Health
12 of 14 votes
#4
Trade
9 of 10 votes
Defence
29 of 35 votes
#5
Benefits
28 of 32 votes

Recent voting overlap

Where they voted differently
Aye
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
No rebel
Aye
Terminally Ill Adults (End of Life) Bill: Third Reading 20 Jun 2025
No rebel
Aye
Terminally Ill Adults (End of Life) Bill: Amendment 94 20 Jun 2025
No rebel
Aye
Terminally Ill Adults (End of Life) Bill: Amendment 77 20 Jun 2025
No rebel
No
Terminally Ill Adults (End of Life) Bill: New Clause 2 13 Jun 2025
Aye rebel
No
Terminally Ill Adults (End of Life) Bill: New Clause 1 13 Jun 2025
Aye rebel
No
Terminally Ill Adults (End of Life) Bill: Amendment (b) to New Clause 14 13 Jun 2025
Aye rebel
No
Terminally Ill Adults (End of Life) Bill Report Stage: Amendment (a) to New Clause 10 16 May 2025
Aye rebel
Aye
Closure motion 16 May 2025
No rebel
Aye
Terminally Ill Adults (End of Life) Bill: Second Reading 29 Nov 2024
No rebel
Where they voted the same
Aye
Northern Ireland Troubles Bill: Third Reading 20 Oct 2026
Foreign Affairs
Aye
No
Northern Ireland Troubles Bill Committee: New Clause 12 20 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: New Clause 7 20 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: Amendment 32 20 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: Amendment 51 20 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: New Clause 21 19 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: Amendment 47 19 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: Amendment 4 19 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: Amendment 52 19 Oct 2026
Foreign Affairs
No
No
Northern Ireland Troubles Bill Committee: Amendment 23 19 Oct 2026
Foreign Affairs
No
Member source UK Parliament Members API
Voting source Commons Votes API