Compare

Dr Kieran Mullan vs Deirdre Costigan

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

Photograph of Dr Kieran Mullan
Dr Kieran Mullan
Con Bexhill and Battle
vs
Photograph of Deirdre Costigan
Deirdre Costigan
Lab Ealing Southall

Voting alignment

Dr Kieran Mullan and Deirdre Costigan voted the same way 2% of the time, based on 363 shared comparable votes.

6 same votes 357 different votes 363 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
5 Aye 7 No
Benefits 17% aligned 12 shared votes
5 Aye 7 No
5 Aye 4 No
Migration 11% aligned 9 shared votes
3 Aye 6 No
24 Aye 25 No
Crime / Justice 4% aligned 49 shared votes
23 Aye 26 No
36 Aye 49 No
Tax 0% aligned 85 shared votes
49 Aye 36 No
12 Aye 24 No
Education 0% aligned 36 shared votes
24 Aye 12 No
Most different by topic
36 Aye 49 No
Tax 0% aligned 85 shared votes
49 Aye 36 No
12 Aye 24 No
Education 0% aligned 36 shared votes
24 Aye 12 No
8 Aye 19 No
Housing 0% aligned 27 shared votes
19 Aye 8 No
7 Aye 18 No
Work / Employment 0% aligned 25 shared votes
18 Aye 7 No
10 Aye 8 No
Defence 0% aligned 18 shared votes
8 Aye 10 No

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

Voting record

84.7%
12% above average
Rank 103 of 649
Participation
91.2%
19% above average
Rank 13 of 649
1,404
1,658 eligible divisions
Total votes
538
590 eligible divisions
688
49.0% of votes cast
Aye votes
277
51.5% of votes cast
716
51.0% of votes cast
No votes
261
48.5% of votes cast
4
0.3% of votes cast
Against party
1
0.2% of votes cast
6 years, 9 months
Since 12 Dec 2019
Commons service
2 years, 2 months
Since 4 Jul 2024

Debates

138
+56.3 vs Commons average
Rank 79 of 649
Appearances
16
-65.7 vs Commons average
Rank 603 of 649
547
+404.7 vs Commons average
Rank 15 of 649
Contributions
19
-123.3 vs Commons average
Rank 606 of 649

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

Financials and interests

£1,272,613
all imported IPSA years
Lifetime expenses
£196,485
all imported IPSA years
£301,859
33% above average
Latest expenses
£196,485
13% below average
1
1 registered category
Registered interests
0
0 registered categories
0
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
50 of 50 votes
#1
Work / Employment
39 of 39 votes
Migration
147 of 154 votes
#2
Housing
32 of 32 votes
Environment / Climate
42 of 44 votes
#3
Democracy / Parliament
14 of 14 votes
Crime / Justice
164 of 174 votes
#4
Migration
13 of 13 votes
Devolution / Local Government
51 of 55 votes
#5
Digital / Online Safety
11 of 11 votes

Recent voting overlap

Where they voted differently
No
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
Aye
No
Closure motion 11 Sept 2026
Aye
Aye
Social Housing Bill [Lords]: Reasoned Amendment to Second Reading 10 Sept 2026
Housing
No
No
Draft Plant Health, Seeds, Seed Potatoes and Plant Propagating Material (Amendment) (Northern Ireland) Regulations 2026 9 Sept 2026
Aye
Aye
Health Bill: Report Stage: Amendment 1 8 Sept 2026
No
Aye
Health Bill: Report Stage: New Clause 143 8 Sept 2026
No
Aye
Health Bill: Report Stage: New Clause 142 8 Sept 2026
No
No
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026 15 Jul 2026
Trade Work / Employment
Aye
No
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
Aye
Aye
Public Office (Accountability) Bill Report Stage: Amendment 19 14 Jul 2026
No
Where they voted the same
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
No
Sentencing Bill Committee: New Clause 30 21 Oct 2025
Crime / Justice
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
No
Crime and Policing Bill Report Stage: Amendment 160 17 Jun 2025
Crime / Justice
No
No
Border Security, Asylum and Immigration Bill Report Stage: New Clause 21 12 May 2025
Migration
No
Member source UK Parliament Members API
Voting source Commons Votes API