O'BRIEN, Alderman William, T.D.; b. near Clonakilty, Co. Cork, 1881; came to Dublin at age of 15; became acquainted in 1897 with the late James Connolly, who had the previous year established the Irish Socialist Republican Party; joined that body in 1898, and became close personal friend and colleague of Connolly down to his execution in 1916; from 1898 has been continuously active in Irish Labour movement; taken special interest in Labour Representation, Housing, Municipalisation, Annual Celebration of Labour Day and Cooperation; actively associated with campaign of James Larkin in organising Irish workers from 1907, with establishment of Irish Transport and General Workers' Union in 1909. and was Secretary of Lockout Committee during Dublin Labour upheaval in 1913; member National Labour Executive since 1911, presiding over Annual Congress in Cork in 1913, and again in Waterford in 1918, where he was elected Secretary, which position he retired from in 1920 to become Treasurer; in 1910, organised Committee which enabled James Connolly to return to Ireland from America; took active part in reorganising the Irish Labour movement following the Easter Week Insurrection of 1916, and in extending the I.T. & G.W.U. all over Ireland, the membership growing from less than 5,000 in 1916, to over 100,000 in 1909, in which year he became a full-time Trade Union Official as General Treasurer of that Union; member Executive of Irish National Aid and Volunteers' Dependants' Fund, 1916-1918: took prominent part in fight against conscription in 1918, being member of Mansion House (Anti-Conscription) Conference, and one of the deputation which waited on Hierarchy at Maynooth on that occasion, and also Chairman of Special Trade Union Congress which decided on the One Day Strike of April 23rd, 1918; appointed delegate to International Socialist and Trade Union Congress at Stockholm in 1917, but British Government refused passport; also appointed delegate to Berne Conference in 1919; conveyed fraternal greetings of Irish Labour to Tchitcherine and other Russian representatives in London in 1917, and also to M. Litviuoff in 1918, and M. Kameniff in 1920. as representatives in England of the Russian Soviet Republic; has been arrested many times—in 1913 on charges arising out of lockout of that year: in 1914 imprisoned for maintaining right of public meeting in O'Connell Street; following Easter Week, 1916, was deported to Knutsford Prison, and subsequently interned in Frongoch and Reading Jail; again in 1920, being deported to Wormwood-Scrubbs Prison, from which he was released after Hunger Strike; while in custody, was put forward as Workers' Republican Candidate for Byelection at Stockport, Manchester, by local Irish workers, polling 2,300 votes after 10 days' contest; elected Alderman, Dublin Corporation, 1920, and takes active part in shaping its housing policy; selected as Labour Candidate for a Dublin constituency in 1918, but retired on Labour Party's decision to withdraw its candidates in order to allow straight light between Sinn Fein and Irish Party; elected member Provisional Parliament in June, 1922, for Dublin (South City) Division, and acts as Whip of Labour Party since opening of Parliament in September, 1922. Res.: 77 Botanic Road, Dublin.
O'BRIEN, William. Educ. at the Diocesan College of Cloyne, and Queen's College, Cork. He was for some years a writer in the "Freeman's Journal," and afterwards the Editor of "United Ireland"; founder of the United Irish League and of the All-for-Ireland League; son of the late James O'Brien, of Mallow; b. 1852; m. 1890, Miss Raffalovich, dau. of M. Herman Raffalovich, Paris: M.P. for Mallow, 1883-85; for South Tyrone, 1885-6; for North-East Div. of Cork, 1887-92; Cork City, 1892-95, 1900-03. 1904-09, elected for Cork City and N.E. Cork, Gen. Election of 1910, and elected to sit for former, which he represented till 1918. Pubns.: When we were Boys: Irish Ideas; A Queen of Men; Recollections; An Olive Branch in Ireland and its History, etc. Res.: Bellevue. Mallow, Co. Cork.
O'BRIEN, Hon. William Henry Robert Ernest Turlough, third son of 13th Baron Inchiquin; b. 1863: m. 1901, Ethne, youngest dau. of Geo. R. Browne, of Cahirdown, Co. Kerry, and has issue one son and one dau. Res.: Little Ridge, Alderbury, Wilts.
O'BYRNE, Count John Edward Gerald O'Byrne. Educ. at Clongowes, Capt. 6th Batt. Royal Munster Fusiliers, 1915-8; served in European War (Dardanelles and Salonica operations, 1914-18): eldest son of late Edward Alexander, Count O'Byrne, J.P., of Corville, Co. Tipperary, and St. Jean de Luz, France, and Rose Emily, 4th dau. of Joshua James Netterville, J.P.; b. 1894. Res.: Corville, Roscrea, Co. Tipperary: Villa Mendi Berri, St. Jean de Luz, B. Pyrénees, France.
O'CALLAGHAN, Daniel (M.P. for Co. Wexford from 1922). Res.: 79 Douglas Street, Cork.
O'CALLAGHAN, Mrs. Kate (M.P. for East Limerick and City of Limerick from 1921). Res.: St. Margaret's Strand, Limerick.
O'CALLAGHAN-WESTROPP, Col. George; Col. Reserve of Officers: J.P. Co. Clare (High Sheriff, 1919). Educ.: Cheltenham College: R.M.C., Sandhurst. Lieut. 1st Batt. Royal Irish Rifles, 1882; Capt., 1888; retired, 1889; Capt. Clare Artillery,
