Ossory was refitting in April 1916, but following the outbreak of the Easter Rising against British rule in Ireland on 24 April 1916, was employed in escorting transports carrying two infantry brigades from Liverpool to Ireland to reinforce British forces. She took part in the Battle of Jutland on 31 May – 1 June 1916, still part of the 11th Destroyer Flotilla.
Ossory was being refitted in April 1916 but, after the Easter Rising against British rule in Ireland began on 24 April 1916, it was used to escort transports carrying two infantry brigades from Liverpool to Ireland to bolster British forces. It participated in the Battle of Jutland from 31 May to 1 June 1916, remaining part of the 11th Destroyer Flotilla.