Member of Parliament

Dame Siobhain McDonagh

Q: Which party does Dame Siobhain McDonagh represent?

Dame Siobhain McDonagh currently represents Labour. Source: https://members-api.parliament.uk/api/Members/193

Parliamentary Parliamentary Constituency Constituency

Overview Votes Expenses Activity EDMs Alignment History Interests

At a glance

Dame Siobhain McDonagh is currently a Labour MP for Mitcham and Morden, and has represented the constituency for 29 years, 2 months. The latest election majority is 18,761. They are most active voting on Tax. They have voted in 55.1 % of eligible Commons divisions, compared with a Commons average of 72.7 %. For financial year 2024-25, Dame Siobhain McDonagh submitted £292,669 of expenses, which is 29 % higher than the average MP. Asked 6 parliamentary questions in the last 12 months.

Parliamentary activity snapshot

Current activity signals from votes, debates, questions, sponsored bills, and topic coverage. This is not a performance score. Most recent activity: 7 Jul 2026.

Voting participation 55.1 %

55 %

Avg

73 %

Rank 604 of 650 — lower than 93% of MPs

Debates 30

Avg

71.9

29 contributions across 30 appearances Rank 530 of 650 — less than 82% of MPs

Questions asked 6

Avg

128.2

Rank 522 of 650 — fewer than 80% of MPs

Voting alignment

MPs who most often voted the same way, or differently, when both recorded an Aye or No vote.

Exclude own party View all →

Most similar MPs

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Most different MPs

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Dr Luke Evans Con Hinckley and Bosworth Based on 699 shared votes 3%

Based only on divisions where both MPs recorded comparable Aye/No votes. Tellers, absences, abstentions, and missing votes are excluded.

Constituency

Parliamentary history

View full history →

Party affiliations, constituency changes, parliamentary roles, and election results. In the Commons for 29 years, 2 months. Majority of 18,761. 16 role(s) recorded.