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 384 shared comparable votes.

6 same votes 378 different votes 384 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
26 Aye 26 No
Crime / Justice 4% aligned 52 shared votes
24 Aye 28 No
37 Aye 49 No
Tax 0% aligned 86 shared votes
49 Aye 37 No
12 Aye 24 No
Education 0% aligned 36 shared votes
24 Aye 12 No
Most different by topic
37 Aye 49 No
Tax 0% aligned 86 shared votes
49 Aye 37 No
12 Aye 24 No
Education 0% aligned 36 shared votes
24 Aye 12 No
7 Aye 21 No
Work / Employment 0% aligned 28 shared votes
21 Aye 7 No
8 Aye 19 No
Housing 0% aligned 27 shared votes
19 Aye 8 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

84.6%
12% above average
Rank 99 of 650
Participation
90.8%
18% above average
Rank 15 of 650
1,428
1,688 eligible divisions
Total votes
563
620 eligible divisions
700
49.0% of votes cast
Aye votes
286
50.8% of votes cast
728
51.0% of votes cast
No votes
277
49.2% of votes cast
4
0.3% of votes cast
Against party
1
0.2% of votes cast
6 years, 10 months
Since 12 Dec 2019
Commons service
2 years, 3 months
Since 4 Jul 2024

Debates

148
+55.0 vs Commons average
Rank 89 of 650
Appearances
85
-8.0 vs Commons average
Rank 285 of 650
605
+443.0 vs Commons average
Rank 15 of 650
Contributions
120
-42.0 vs Commons average
Rank 324 of 650

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
62 of 63 votes
#1
Work / Employment
42 of 42 votes
Environment / Climate
43 of 45 votes
#2
Housing
32 of 32 votes
Migration
147 of 154 votes
#3
Democracy / Parliament
14 of 14 votes
Crime / Justice
167 of 178 votes
#4
Migration
13 of 13 votes
Trade
52 of 56 votes
#5
Digital / Online Safety
11 of 11 votes

Recent voting overlap

Where they voted differently
No
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
Northern Ireland Troubles Bill: Third Reading 20 Oct 2026
Foreign Affairs
Aye
Aye
Northern Ireland Troubles Bill Committee: New Clause 12 20 Oct 2026
Foreign Affairs
No
Aye
Northern Ireland Troubles Bill Committee: New Clause 7 20 Oct 2026
Foreign Affairs
No
Aye
Northern Ireland Troubles Bill Committee: Amendment 32 20 Oct 2026
Foreign Affairs
No
Aye
Northern Ireland Troubles Bill Committee: New Clause 21 19 Oct 2026
Foreign Affairs
No
Aye
Northern Ireland Troubles Bill Committee: Amendment 47 19 Oct 2026
Foreign Affairs
No
Aye
Northern Ireland Troubles Bill Committee: Amendment 4 19 Oct 2026
Foreign Affairs
No
Aye
Northern Ireland Troubles Bill Committee: Amendment 52 19 Oct 2026
Foreign Affairs
No
Aye
Northern Ireland Troubles Bill Committee: Amendment 23 19 Oct 2026
Foreign Affairs
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