Surname	Given Names	Occupation	District	Year	Source
O'Leary	-	Police Constable	Albany	1882	Herald Almanack
O'Leary	-	Police Constable	Murray (Pinjarrah)	1882	WA Almanack
O'Leary	J.		Cowle Street, Perth	1897	Witton's Directory
O'Leary	P.	Police Constable	Pinjarrah	1887	WA Almanack
O'Leary.	-	Police Constable	Albany	1877	Herald Almanack
O'Mahoney	C.	Schoolmaster	Stirling Street, Perth	1873	Herald Almanack
O'Mahoney	C.	Schoolmaster	Perth	1874	Herald Almanack
O'Mahoney	C.	Schoolmaster	Perth	1875	Herald Almanack
O'Mahoney	C.	Schoolmaster	Perth	1876	Herald Almanack
O'Mahoney	C.	Schoolmaster	Perth	1876	WA Almanack
O'Mahoney	C.	Schoolmaster	Perth	1877	Herald Almanack
O'Mahoney	J. J.	Farmer	Katanning	1897	Witton's Directory
O'Mahoney	Mrs.	Store Assistant	Perth	1884	Herald Almanack
O'Mahoney	Mrs.	Store Assistant	Perth	1885	Herald Almanack
O'Mahoney	Mrs.	Store Assistant	Perth	1887	WA Almanack
O'Mahoney	Mrs.	Store Assistant	Perth	1888	WA Almanack
O'Mahony	Mrs M.		107 William Street, Perth	1897	Witton's Directory
O'Maley	T.	Farmer	Mines	1873	Herald Almanack
O'Maley	T.	Carter	Geraldton (Chapman)	1885	Herald Almanack
O'Maley	Thos.	Farmer	Mines	1874	Herald Almanack
O'Mara	Con	Warehouseman	Perth	1887	WA Almanack
O'Mara	Con.	Warehouseman	Perth	1882	WA Almanack
O'Mara	Con.	Warehouseman	Perth	1884	Herald Almanack
O'Mara	Con.	Warehouseman	Perth	1885	Herald Almanack
O'Mara	Con.	Warehouseman	Perth	1888	WA Almanack
O'Meehan	Dr J. A.		Hannan Street, Kalgoorlie	1897	Witton's Directory
O'Meehan	J. A.	Medical Officer	Greenough	1879	Herald Almanack
O'Meehan	J. A.	Medical Officer	Greenough	1880	Herald Almanack
O'Meehan	J. A.	Surgeon	Roebourne	1882	Herald Almanack
O'Meehan	J. A.	District Medical Officer	North-West Coast (Roebourne)	1882	WA Almanack
O'Meehan	J. A.	Surgeon	Roebourne	1885	Herald Almanack
O'Neal	J.	Farmer	Gingin	1873	Herald Almanack
O'Neil	-	Police Constable	Murray (Pinjarrah)	1881	WA Almanack
O'Neil	A	Farmer & Sheepownwer	Toodyay	1883	Herald Almanack
O'Neil	A.	Farmer & Sheepowner	Toodyay	1880	Herald Almanack
O'Neil	A.	Farmer & SheepOwner	Toodyay	1881	Herald Almanack
O'Neil	A.	Farmer & Sheepowner	Toodyay	1882	Herald Almanack
O'Neil	A.	Farmer/Sheepowner	Toodyay	1884	Herald Almanack
O'Neil	Alex.	Farmer	Newcastle & Toodyay District	1882	WA Almanack
O'Neil	J	Farmer	Swan	1887	WA Almanack
O'Neil	J.	Farmer	Gingin	1879	WA Almanack
O'Neil	J.	Builder and Contractor	Newcastle & Toodyay District	1882	WA Almanack
O'Neil	J.	Mill Worker	Jarrahdale Timber Co.	1883	Herald Almanack
O'Neil	J.	Mill Employee	Jarrahdale Timber Co.	1884	Herald Almanack
O'Neil	J.	Farmer	Swan	1886	WA Almanack
O'Neil	J.	Seaman	North-West Coast (Cossack)	1886	WA Almanack
O'Neil	J.	Builder and Contractor	Newcastle	1887	WA Almanack
O'Neil	J.	Farmer	Swan	1888	WA Almanack
O'Neil	James	Pearler	North-West Coast (Cossack)	1881	WA Almanack
O'Neil	James	Shipwright	Cossack	1884	Herald Almanack