Michelle O'Neill — First Minister of Northern Ireland 🇮🇪 Michelle O'Neill — First Minister of Northern Ireland 🇮🇪 Detail Info Full name Michelle O'Neill Role First Minister of Northern Ireland (Sinn Féin), Vice President of Sinn Féin Born 10 January 1977 Constituency Mid Ulster (MLA) / Tyrone (historical) Previous roles Minister of Health, Minister of Agriculture, Deputy First Minister Celtic Alliance Position Active coordinator. O'Neill is the most significant new entrant to Celtic cooperation discussions. As First Minister of Northern Ireland (a Sinn Féin position), she met with Plaid Cymru and SNP representatives at Westminster on 14 May 2026 — the first formal trilateral meeting between the three pro-independence Celtic nationalist parties following historic election victories in all three nations. Key actions: Hosted/attended SNP + Plaid Cymru + Sinn Féin talks at Westminster (14 May 2026) Posted publicly about agreeing to "continue working together in common purpose to deliver for our people and their right to national self-determination" Her presence as NI First Minister adds a new dimension — bridging the Irish reunification and Scottish/Welsh independence movements Sources Nation.Cymru — Plaid, SNP and Sinn Féin hold Westminster talks (May 2026) Wikipedia — Michelle O'Neill