Thomas O'BRIEN died 25 July 1889 at age 83 yrs of old age. Born in Ireland, laborer. #16814-89 (Toronto)

Earl O’CONNER, d. 13 April 1901 at age 1 month, of causes unknown - died suddenly, at Main St. in Ridgetown. Informant was L. O’CONNER. #13822-01 (Kent Co)

Elizabeth O’CONNOR died 10 Aug 1901 at age 54 yrs, of exhaustion following melancholia. Born in Canada, resident of 197 King St. East in Toronto. Married, housewife. #3214-01 (Toronto)

Julia O’CONNOR, died Aug 1881 at age 71 years, of cause not given, at Peterborough. Widow. Informant was son, John S. O’CONNOR of Perth Ont. #15812-81 (Peterborough Co)

William O'CONNOR, died at age 3 weeks, on 24 Nov 1880, at Toronto, of pneumonia. Born at Toronto. reg # 20292-80 (Toronto)

George Henry OFFEN, m, died June 7, 1894, at the age of 2 years and 6 months of Meningitis after an illness of 4 or 5 days. Born in Toronto, informant was J.A. Burgess MD. Registered at Toronto Tp. #022108-94 (York Co)

no name O’HEARN, stillborn 6 Jan 1900 at 3 Sumach St. in Toronto. Reg # 1064-00 (Toronto)

James O'LEARY died 29 April 1881 at age 19 yrs + 6 months, of gastritis. Born in Toronto, printer. Roman Catholic. #23388-81 (Toronto)

Madeline OLIVER, 1 July 1902, at age 11 yrs + 11 months at 67 West Emeric? St., Sarnia, of TB. Born in Sarnia. Reg # 13678-02 (Lambton Co)

Mary Rutherford OLIVER died 25 April 1888 at age 95+4 +20, of old age. Born in Scotland. Informant was Dr. Lovett of Ayr. #18121-88 (Waterloo Co)

Irene Etta OLLENDORF, b. 184 Carlton St. in Toronto, d. 12 Sept 1880 of cholera infantum at age 5 weeks. #20604-80 (Toronto)

Arthur O’NEAL died 30 July 1919 at age 48 yrs of general paresis of 1 year with asphyxiation & drowning. Born in Canada, s/o James O’NEAL & Savilla THOMPSON; died at Blenheim twp. Single, farmer. Informant was Mrs. O’NEAL of Canning. Buried at Richwood. #24480-19 (Oxford Co)

Patrick O'NEIL, m, Farmer, died July 30, 1885, at the age of 91 years of Rheumatism after an illness of over 4 years. Born in County Wicklow, Ireland, Roman Catholic. Informant Patrick O'NEIL, of Herschel, Ontario; # 006575-85 (Hastings Co)

Mrs. John O’ROURKE died 12 Nov 1898 at age 36 yrs of septic pneumonia. Born in Canada; resident of 131 St. Paul St. in Toronto. Informant was R.J. Dwyer. #26969-98 (Toronto)

William Reilly OSBORNE, died 22 Sept 1873 at age 1 yr, of croup. Born in Hillier twp. Informant was Dr. S.L. Nash of Consecon, Ameliasburgh twp. Reg # 37731-73 (Prince Edward Co)

Stella Irene OSTRANDER died 5 June 1919 at age 24 + 9 months, of consumption. Born in Chinguacousy, d/o William OSTRANDER & Olive Jane CLARRIDGE. Died at Esquesing twp & buried in Brampton. Single, farmer's daughter. #15134-19 (Halton Co)

Elizabeth OVERHOLT, died 6 March 1886 at age 76 yrs + 11 months + 5 days, of "rupture & sickness", at Clinton twp. Born in Louth twp., farmer's wife. Informant was Rev. A.R. HONSBERGER of Louth twp. reg # 10378-86 (Lincoln Co)

Vera Adeline OVINGTON died 8 Jan 1917 at age 8 Jan 1917 of influenza. Born, & died, at Lot 18, con 3 of Blenheim, d/o Thomas OVINGTON & Dora BALFOUR. Buried at Princeton. #23830-17 (Oxford Co)