HMS Onslow (1916) 15 February 1916 and completed in April 1916. Her first commander was John Tovey, (later Admiral of the Fleet). On 24 April 1916, the Easter Rising against British rule broke out in Ireland. As a response, two Infantry Brigades were ordered from Liverpool to Dublin to reinforce the British forces, with "Onslow" escorting the transports carrying these troops. She saw action at the Battle of Jutland, where "Onslow" was badly damaged, with her speed reduced to . Nevertheless, Tovey pressed home the attack against first a cruiser and then a line of battlecruisers. "Onslow" was brought back to Aberdeen despite
St. Enda's School radical politics also made even some moderate supporters question what their children might be exposed to, and some, notably Eoin MacNeill, removed their children from Pearse's influence. As it turned out, a large number of St. Enda's pupils did join the Fianna Éireann, and even the IRB, fifteen of whom later took part in the Easter Rising in 1916. Following the execution of the Pearse brothers after the rising, their mother reopened St. Enda's back at Cullenwood House, which the closure of St. Ita's had vacated. Frank Burke, an ex-pupil who had served in the Rising, was headmaster. The school