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Compare

Melanie Onn vs Dr Scott Arthur

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

Photograph of Melanie Onn
Melanie Onn
Lab Great Grimsby and Cleethorpes
vs
Photograph of Dr Scott Arthur
Dr Scott Arthur
Lab Edinburgh South West

Voting alignment

Melanie Onn and Dr Scott Arthur voted the same way 97% of the time, based on 406 shared comparable votes.

393 same votes 13 different votes 406 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
55 Aye 37 No
Tax 100% aligned 92 shared votes
55 Aye 37 No
22 Aye 11 No
Crime / Justice 100% aligned 33 shared votes
22 Aye 11 No
21 Aye 6 No
Education 100% aligned 27 shared votes
21 Aye 6 No
9 Aye 13 No
Defence 100% aligned 22 shared votes
9 Aye 13 No
12 Aye 9 No
Benefits 100% aligned 21 shared votes
12 Aye 9 No
Most different by topic
55 Aye 37 No
Tax 100% aligned 92 shared votes
55 Aye 37 No
22 Aye 11 No
Crime / Justice 100% aligned 33 shared votes
22 Aye 11 No
21 Aye 6 No
Education 100% aligned 27 shared votes
21 Aye 6 No
9 Aye 13 No
Defence 100% aligned 22 shared votes
9 Aye 13 No
12 Aye 9 No
Benefits 100% aligned 21 shared votes
12 Aye 9 No

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

Voting record

74.1%
2% above average
Rank 329 of 650
Participation
83.2%
11% above average
Rank 132 of 650
471
636 eligible divisions
Total votes
529
636 eligible divisions
233
49.5% of votes cast
Aye votes
260
49.1% of votes cast
238
50.5% of votes cast
No votes
269
50.9% of votes cast
1
0.2% of votes cast
Against party
12
2.3% of votes cast
2 years, 4 months
Since 4 Jul 2024
Commons service
2 years, 4 months
Since 4 Jul 2024

Debates

123
+26.0 vs Commons average
Rank 154 of 650
Appearances
205
+108.0 vs Commons average
Rank 35 of 650
183
+13.8 vs Commons average
Rank 196 of 650
Contributions
343
+173.8 vs Commons average
Rank 59 of 650

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

Financials and interests

£1,014,663
all imported IPSA years
Lifetime expenses
£173,383
all imported IPSA years
£201,216
11% below average
Latest expenses
£173,383
23% below average
6
1 registered category
Registered interests
4
2 registered categories
3
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

Foreign Affairs
17 of 17 votes
#1
NHS / Health
11 of 11 votes
Trade
9 of 10 votes
#2
Environment / Climate
10 of 10 votes
Devolution / Local Government
21 of 24 votes
#3
Foreign Affairs
16 of 17 votes
Energy
17 of 20 votes
#4
Benefits
30 of 32 votes
Tax
102 of 122 votes
#5
Defence
31 of 34 votes

Recent voting overlap

Where they voted differently
Aye
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
No rebel
Aye
Closure motion 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 77 20 Jun 2025
No rebel
No
Terminally Ill Adults (End of Life) Bill: Amendment 12 20 Jun 2025
Aye rebel
No
Terminally Ill Adults (End of Life) Bill: New Clause 16 20 Jun 2025
Aye 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
Where they voted the same
Aye
Budget Resolution No. 86: High value council tax surcharge 3 Nov 2026
Tax
Aye
Aye
Budget Resolution No. 76: Rates of alcohol duty 3 Nov 2026
Tax
Aye
Aye
Budget Resolution No. 55: Value added tax (electric vehicle charging) 3 Nov 2026
Tax
Aye
Aye
Budget Resolution No. 15: Charges in connection with employment visas 3 Nov 2026
Tax
Aye
Aye
Budget Resolution No. 8: Capital gains tax (business asset disposal relief) 3 Nov 2026
Tax Transport
Aye
Aye
Budget Resolution No.7: Increase in rate of banking surcharge for temporary period 3 Nov 2026
Tax
Aye
Aye
Budget Resolution No. 3: Income tax (default, property and savings rates) 3 Nov 2026
Tax
Aye
Aye
Draft Town and Country Planning (Fees for Applications, Deemed Applications, Requests and Site Visits) (England) (Amendment and Transitional Provision) Regulations 2026 27 Oct 2026
Aye
No
Opposition day motion: Support for British farmers 21 Oct 2026
No
Aye
Draft Code of Practice on Access and Unfair Practices During the Recognition and Derecognition Process 21 Oct 2026
Aye
Member source UK Parliament Members API
Voting source Commons Votes API