Compare

Melanie Onn vs Sir Iain Duncan Smith

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 Sir Iain Duncan Smith
Sir Iain Duncan Smith
Con Chingford and Woodford Green

Voting alignment

Melanie Onn and Sir Iain Duncan Smith voted the same way 4% of the time, based on 810 shared comparable votes.

34 same votes 776 different votes 810 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
1 Aye 5 No
Democracy / Parliament 17% aligned 6 shared votes
4 Aye 2 No
5 Aye 12 No
Migration 12% aligned 17 shared votes
12 Aye 5 No
21 Aye 6 No
Benefits 7% aligned 27 shared votes
4 Aye 23 No
11 Aye 3 No
Digital / Online Safety 7% aligned 14 shared votes
4 Aye 10 No
84 Aye 40 No
Brexit / EU 6% aligned 124 shared votes
40 Aye 84 No
Most different by topic
98 Aye 55 No
Tax 0% aligned 153 shared votes
55 Aye 98 No
34 Aye 9 No
Education 0% aligned 43 shared votes
9 Aye 34 No
17 Aye 18 No
Trade 0% aligned 35 shared votes
18 Aye 17 No
21 Aye 14 No
Transport 0% aligned 35 shared votes
14 Aye 21 No
5 Aye 17 No
Housing 0% aligned 22 shared votes
17 Aye 5 No

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

Voting record

73.9%
1% above average
Rank 335 of 649
Participation
81.4%
9% above average
Rank 172 of 649
436
590 eligible divisions
Total votes
1,935
2,376 eligible divisions
214
49.1% of votes cast
Aye votes
887
45.8% of votes cast
222
50.9% of votes cast
No votes
1,048
54.2% of votes cast
1
0.2% of votes cast
Against party
41
2.1% of votes cast
2 years, 3 months
Since 4 Jul 2024
Commons service
34 years, 6 months
Since 9 Apr 1992

Debates

91
+7.4 vs Commons average
Rank 215 of 650
Appearances
99
+15.4 vs Commons average
Rank 174 of 650
114
-31.7 vs Commons average
Rank 297 of 650
Contributions
171
+25.3 vs Commons average
Rank 170 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
£2,530,064
all imported IPSA years
£201,216
11% below average
Latest expenses
£265,254
17% above average
6
1 registered category
Registered interests
9
3 registered categories
3
matched sponsored bills
Sponsored bills
6
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
4 of 4 votes
#1
Brexit / EU
208 of 211 votes
Devolution / Local Government
21 of 24 votes
#2
Foreign Affairs
63 of 69 votes
Trade
6 of 7 votes
#3
Housing
60 of 67 votes
Energy
17 of 20 votes
#4
Migration
153 of 171 votes
Tax
94 of 112 votes
#5
Crime / Justice
198 of 230 votes

Recent voting overlap

Where they voted differently
Aye
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
No
Aye
Closure motion 11 Sept 2026
No
Aye
Draft Plant Health, Seeds, Seed Potatoes and Plant Propagating Material (Amendment) (Northern Ireland) Regulations 2026 9 Sept 2026
No
No
Health Bill: Report Stage: Amendment 1 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 143 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 145 7 Sept 2026
Aye
Aye
Representation of the People Bill: Third Reading 2 Sept 2026
Democracy / Parliament
No
No
Representation of the People Bill: Report Stage: New Clause 67 2 Sept 2026
Democracy / Parliament
Aye
No
Representation of the People Bill: Report Stage: New Clause 65 2 Sept 2026
Democracy / Parliament
Aye
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
No
Where they voted the same
No
Representation of the People Bill: Report Stage: New Clause 88 2 Sept 2026
Democracy / Parliament
No
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
No
Universal Credit and Personal Independence Payment Bill Committee: New Clause 8 9 Jul 2025
Benefits
No
No
Universal Credit and Personal Independent Payment Bill Committee: Amendment 39 9 Jul 2025
Benefits
No
Aye
Terrorism Act 2000 (Proscribed Organisations) (Amendment) Order 2025 2 Jul 2025
Crime / Justice
Aye
No
Border Security, Asylum and Immigration Bill Report Stage: New Clause 21 12 May 2025
Migration
No
No
Elections (proportional representation): Ten Minute Rule Motion 3 Dec 2024
No
Aye
Early Parliamentary General Election Bill: Third Reading 29 Oct 2019
Aye
Aye
Second Reading: European Union (Withdrawal Agreement) Bill 22 Oct 2019
Brexit / EU Foreign Affairs
Aye
No
European Union (Withdrawal) (No.5) Bill Committee Gov Amdt 22 3 Apr 2019
Brexit / EU
No
Member source UK Parliament Members API
Voting source Commons Votes API