Compare

Tristan Osborne vs Melanie Onn

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

Photograph of Tristan Osborne
Tristan Osborne
Lab Chatham and Aylesford
vs
Photograph of Melanie Onn
Melanie Onn
Lab Great Grimsby and Cleethorpes

Voting alignment

Tristan Osborne and Melanie Onn voted the same way 100% of the time, based on 391 shared comparable votes.

391 same votes 0 different votes 391 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
54 Aye 40 No
Tax 100% aligned 94 shared votes
54 Aye 40 No
24 Aye 14 No
Education 100% aligned 38 shared votes
24 Aye 14 No
22 Aye 8 No
Crime / Justice 100% aligned 30 shared votes
22 Aye 8 No
8 Aye 16 No
Defence 100% aligned 24 shared votes
8 Aye 16 No
14 Aye 9 No
Benefits 100% aligned 23 shared votes
14 Aye 9 No
Most different by topic
54 Aye 40 No
Tax 100% aligned 94 shared votes
54 Aye 40 No
24 Aye 14 No
Education 100% aligned 38 shared votes
24 Aye 14 No
22 Aye 8 No
Crime / Justice 100% aligned 30 shared votes
22 Aye 8 No
8 Aye 16 No
Defence 100% aligned 24 shared votes
8 Aye 16 No
14 Aye 9 No
Benefits 100% aligned 23 shared votes
14 Aye 9 No

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

Voting record

94.0 %
21 % above average
Rank 5 of 650
Participation
73.2 %
same as average
Rank 355 of 650
529
563 eligible divisions
Total votes
412
563 eligible divisions
271
51.2 % of votes cast
Aye votes
203
49.3 % of votes cast
258
48.8 % of votes cast
No votes
209
50.7 % of votes cast
1
0.2 % of votes cast
Against party
1
0.2 % of votes cast
2 years, 0 months
Since 4 Jul 2024
Commons service
2 years, 0 months
Since 4 Jul 2024

Debates

44
-26.9 vs Commons average
Rank 433 of 650
Appearances
76
+5.1 vs Commons average
Rank 208 of 650
53
-72.8 vs Commons average
Rank 467 of 650
Contributions
97
-28.8 vs Commons average
Rank 289 of 650

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

Financials and interests

£200,007
all imported IPSA years
Lifetime expenses
£1,014,663
all imported IPSA years
£200,007
12 % below average
Latest expenses
£201,216
11 % below average
1
1 registered category
Registered interests
6
1 registered category
0
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

Housing
31 of 31 votes
#1
Foreign Affairs
4 of 4 votes
Benefits
30 of 30 votes
#2
Devolution / Local Government
21 of 24 votes
Devolution / Local Government
24 of 24 votes
#3
Energy
17 of 20 votes
Digital / Online Safety
11 of 11 votes
#4
Tax
94 of 111 votes
Migration
11 of 11 votes
#5
NHS / Health
9 of 11 votes

Recent voting overlap

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

Where they voted the same
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 5 1 Jul 2026
Energy Tax Transport
No
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 4 1 Jul 2026
Energy Tax Transport
No
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 2 1 Jul 2026
Energy Tax Transport
No
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
Aye
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026 24 Jun 2026
Trade
Aye
No
Opposition Day: Puberty blockers 23 Jun 2026
No
Aye
Opposition Day Motion: Defence spending and readiness - Prime Minister's Amendment 23 Jun 2026
Defence
Aye
No
Opposition day: Defence spending and readiness 23 Jun 2026
Defence
No
Member source UK Parliament Members API
Voting source Commons Votes API