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Compare

Sarah Olney vs Melanie Onn

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

Photograph of Sarah Olney
Sarah Olney
LD Richmond Park
vs
Photograph of Melanie Onn
Melanie Onn
Lab Great Grimsby and Cleethorpes

Voting alignment

Sarah Olney and Melanie Onn voted the same way 29% of the time, based on 308 shared comparable votes.

90 same votes 218 different votes 308 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
12 Aye 6 No
Brexit / EU 83% aligned 18 shared votes
15 Aye 3 No
1 Aye 2 No
Democracy / Parliament 67% aligned 3 shared votes
0 Aye 3 No
4 Aye 1 No
Environment / Climate 60% aligned 5 shared votes
4 Aye 1 No
9 Aye 1 No
Energy 50% aligned 10 shared votes
6 Aye 4 No
1 Aye 3 No
Work / Employment 50% aligned 4 shared votes
3 Aye 1 No
Most different by topic
3 Aye 1 No
Trade 0% aligned 4 shared votes
1 Aye 3 No
6 Aye 16 No
Devolution / Local Government 9% aligned 22 shared votes
14 Aye 8 No
29 Aye 38 No
Tax 10% aligned 67 shared votes
37 Aye 30 No
9 Aye 8 No
Defence 12% aligned 17 shared votes
6 Aye 11 No
5 Aye 0 No
NHS / Health 20% aligned 5 shared votes
1 Aye 4 No

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

Voting record

70.5 %
2 % below average
Rank 418 of 649
Participation
73.6 %
1 % above average
Rank 343 of 649
1,158
1,643 eligible divisions
Total votes
423
575 eligible divisions
625
54.0 % of votes cast
Aye votes
210
49.6 % of votes cast
533
46.0 % of votes cast
No votes
213
50.4 % of votes cast
12
1.0 % of votes cast
Against party
1
0.2 % of votes cast
6 years, 7 months
Since 12 Dec 2019
Commons service
2 years, 1 months
Since 4 Jul 2024

Debates

144
+66.0 vs Commons average
Rank 64 of 649
Appearances
83
+5.0 vs Commons average
Rank 217 of 649
191
+52.5 vs Commons average
Rank 132 of 649
Contributions
105
-33.5 vs Commons average
Rank 295 of 649

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

Financials and interests

£1,445,336
all imported IPSA years
Lifetime expenses
£1,014,663
all imported IPSA years
£300,579
33 % above average
Latest expenses
£201,216
11 % below average
0
0 registered categories
Registered interests
6
1 registered category
8
matched sponsored bills
Sponsored bills
3
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

Foreign Affairs
47 of 50 votes
#1
Foreign Affairs
4 of 4 votes
Brexit / EU
55 of 63 votes
#2
Devolution / Local Government
21 of 24 votes
Trade
46 of 53 votes
#3
Trade
6 of 7 votes
Defence
57 of 70 votes
#4
Energy
17 of 20 votes
NHS / Health
37 of 47 votes
#5
Tax
94 of 111 votes

Recent voting overlap

Where they voted differently
Aye
Public Office (Accountability) Bill Report Stage: Amendment 3 14 Jul 2026
No
No
Immigration and Asylum Bill: Second Reading 13 Jul 2026
Migration
Aye
No
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
Aye
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 5 1 Jul 2026
Energy Tax Transport
No
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 4 1 Jul 2026
Energy Tax Transport
No
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 2 1 Jul 2026
Energy Tax Transport
No
No
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026 24 Jun 2026
Trade
Aye
Aye
National Security (State Threats) Bill Committee: New Clause 3 17 Jun 2026
Defence
No
Aye
National Security (State Threats) Bill Committee: Amendment 13 17 Jun 2026
Defence
No
Aye
National Security (State Threats) Bill Committee: Amendment 8 17 Jun 2026
Defence
No
Where they voted the same
No
Public Office (Accountability) Bill Report Stage: Amendment 199 14 Jul 2026
No
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 Climate Change Act 2008 (Credit Limit) Order 2026 24 Jun 2026
Environment / Climate
Aye
Aye
Draft Climate Change Act 2008 (International Aviation and International Shipping) Regulations 2026 24 Jun 2026
Environment / Climate Transport
Aye
Aye
Draft Carbon Budget Order 2026 24 Jun 2026
Environment / Climate
Aye
No
National Security (State Threats) Bill Committee: Amendment 3 17 Jun 2026
Defence
No
No
Armed Forces Bill Committee: New Clause 6 2 Jun 2026
Defence
No
No
Representation of the People Bill: Reasoned Amendment to Second Reading 2 Mar 2026
Democracy / Parliament
No
Aye
Universal Credit (Removal of Two Child Limit) Bill: Third Reading 23 Feb 2026
Benefits
Aye
Member source UK Parliament Members API
Voting source Commons Votes API