Eóin Tennyson

Eóin Tennyson
Deputy Leader of the Alliance Party
Assumed office
8 October 2024
LeaderNaomi Long
Preceded byStephen Farry
Member of the Northern Ireland Assembly
for Upper Bann
Assumed office
5 May 2022
Preceded byDolores Kelly
Member of
Armagh City, Banbridge and Craigavon Borough Council
In office
7 May 2019  5 May 2022
Preceded byCarol Black
Succeeded byJessica Johnston
ConstituencyLagan River
Personal details
Born (1998-05-17) 17 May 1998
Maghery, Northern Ireland
Political partyAlliance
EducationSt. Patrick's Academy
Alma materQueen's University Belfast (BSc)
University College Dublin (MAcc)
OccupationPolitician

Eóin Tennyson (born 17 May 1998) is a Northern Irish politician who has been the deputy leader of the Alliance Party of Northern Ireland since October 2024. He succeeded former deputy leader Stephen Farry who resigned from the position in 2024. He has been a Member of the Legislative Assembly (MLA) for Upper Bann since 2022, where he defeated former Social Democratic and Labour Party incumbent Dolores Kelly to become the youngest MLA for the constituency.

He is the youngest member of the Northern Ireland Assembly. Tennyson was a successful candidate in the 2024 Alliance Party deputy leadership election.