The Battle of Mount Street Bridge was fought on 26 April 1916 between the British Army and Irish rebels during the Easter Rising.

It took place in Dublin at the southern end of Mount Street Lower where it meets the Grand Canal.

On 24 April 1916, Easter Monday, after Éamon de Valera headed his Volunteers' contingent into Boland's Bakery, another group of 17 Volunteers was sent to secure the Dún Laoghaire road to stall anticipated British reinforcements.

[2] The advancing British stopped at Carisbrook House and learned about the Volunteers' presence in the area, responding to sniper fire.

The battle resulted in the biggest losses to both the British Army and the rebels during the uprising; the Sherwood Foresters suffered 216 casualties, including 28 dead,[3] while four Volunteers were killed in the action: Dick Murphy, George Reynolds, Michael Malone and Patrick Doyle.