Compare

Melanie Onn vs Dr Caroline Johnson

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 Caroline Johnson
Dr Caroline Johnson
Con Sleaford and North Hykeham

Voting alignment

Melanie Onn and Dr Caroline Johnson voted the same way 4% of the time, based on 715 shared comparable votes.

32 same votes 683 different votes 715 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
4 Aye 8 No
Migration 17% aligned 12 shared votes
8 Aye 4 No
0 Aye 7 No
Democracy / Parliament 14% aligned 7 shared votes
6 Aye 1 No
5 Aye 6 No
NHS / Health 9% aligned 11 shared votes
7 Aye 4 No
20 Aye 5 No
Benefits 8% aligned 25 shared votes
3 Aye 22 No
25 Aye 19 No
Crime / Justice 7% aligned 44 shared votes
22 Aye 22 No
Most different by topic
77 Aye 50 No
Tax 0% aligned 127 shared votes
50 Aye 77 No
17 Aye 15 No
Trade 0% aligned 32 shared votes
15 Aye 17 No
17 Aye 15 No
Transport 0% aligned 32 shared votes
15 Aye 17 No
14 Aye 9 No
Devolution / Local Government 0% aligned 23 shared votes
9 Aye 14 No
9 Aye 11 No
Energy 0% aligned 20 shared votes
11 Aye 9 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
82.9%
10% above average
Rank 138 of 649
436
590 eligible divisions
Total votes
1,836
2,216 eligible divisions
214
49.1% of votes cast
Aye votes
896
48.8% of votes cast
222
50.9% of votes cast
No votes
940
51.2% of votes cast
1
0.2% of votes cast
Against party
10
0.5% of votes cast
2 years, 3 months
Since 4 Jul 2024
Commons service
9 years, 10 months
Since 8 Dec 2016

Debates

91
+7.4 vs Commons average
Rank 215 of 650
Appearances
143
+59.4 vs Commons average
Rank 80 of 650
114
-31.7 vs Commons average
Rank 297 of 650
Contributions
403
+257.3 vs Commons average
Rank 36 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
£1,451,695
all imported IPSA years
£201,216
11% below average
Latest expenses
£229,187
1% above average
6
1 registered category
Registered interests
3
3 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
4 of 4 votes
#1
Brexit / EU
204 of 211 votes
Devolution / Local Government
21 of 24 votes
#2
Migration
154 of 164 votes
Trade
6 of 7 votes
#3
Trade
82 of 89 votes
Energy
17 of 20 votes
#4
Foreign Affairs
63 of 69 votes
Tax
94 of 112 votes
#5
Devolution / Local Government
58 of 65 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 142 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 145 7 Sept 2026
Aye
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
Aye
Tobacco and Vapes Bill: Third Reading 26 Mar 2025
NHS / Health
Aye
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
Member source UK Parliament Members API
Voting source Commons Votes API