| 1890 Ventura County Great Register - "O" | |||||||
| NAME | AGE | NATIVITY | OCCUPATION | RESIDENCE | NATURALIZED | COURT | DATE OF REGISTRATION |
| Obiols, Amador | 21 | California | Laborer | San Buenaventura | Sep 12, 1888 | ||
| Obiols, Francisco | 32 | California | Laborer | San Buenaventura | Feb 26, 1884 | ||
| Obiols, Ysidro | 62 | Spain | Farmer | San Buenaventura | May 12, 1867, Santa Barbara Co., CA | 1st District | Feb 26, 1884 |
| O'Brien, Alberto | 24 | California | Laborer | San Pedro | Oct 4, 1888 | ||
| O'Brien, Joseph | 23 | California | Laborer | Saticoy | Sep 29, 1890 | ||
| O'Connor, James T. | 28 | Ireland | Farmer | San Pedro | Jul 7, 1884, Ventura Co., CA | Superior | Jul 7, 1884 |
| O'Connor, Michael | 25 | Ireland | Farmer | Hueneme | Jul 7, 1884, Ventura Co., CA | Superior | Jul 7, 1884 |
| O'Donnell, Frank Thomas | 26 | Massachusetts | Hostler | Ojai | Aug 27, 1888 | ||
| O'Hara, Hugh | 36 | Maine | Farmer | Santa Paula | Jan 30, 1884 | ||
| O'Hara, William | 42 | Maine | Farmer | Santa Paula | Jan 17, 1884 | ||
| Ohmer, Harry A. | 25 | Ohio | Painter | San Buenaventura | Dec 3, 1887 | ||
| Old, George William | 21 | California | Teamster | Hueneme | Aug 14, 1886 | ||
| Old, James Henry | 21 | Michigan | Farmer | Hueneme | Jul 19, 1884 | ||
| Old, William | 48 | England | Carpenter | Hueneme | By virtue of Naturalization of Father | Sep 22, 1888 | |
| Oldham, Abraham Lincoln | 26 | Iowa | Farmer | San Pedro | Sep 11, 1890 | ||
| Olds, John Austin | 28 | California | Teamster | San Buenaventura | Sep 30, 1884 | ||
| O'Leary, Michael Joseph | 37 | Ireland | Blacksmith | San Buenaventura | Feb 10, 1868, Hartford, CT | U.S. Circuit | Oct 6, 1884 |
| Olivas, Francisco | 34 | California | Farmer | Saticoy | Feb 26, 1884 | ||
| Olivas, Frank | 26 | California | Farmer | Saticoy | Feb 26, 1884 | ||
| Olivas, Jose de Jesus | 31 | California | Farmer | San Pedro | Feb 26, 1884 | ||
| Olivas, Jose de los Santos | 37 | California | Ranchero | San Buenaventura | Feb 2, 1884 | ||
| Olivas, Jose del Trinidad | 49 | California | Farmer | San Buenaventura | By virtue of Treaty of Guadalupe Hidalgo | Feb 12, 1884 | |
| Olivas, Jose Dolores | 36 | California | Laborer | Saticoy | Feb 26, 1884 | ||
| Olivas, Jose Trinidad | 41 | California | Farmer | Saticoy | Feb 26, 1884 | ||
| Olivas, Juan | 21 | California | Laborer | San Buenaventura | Jul 15, 1884 | ||
| Olivas, Luis | 49 | California | Farmer | San Buenaventura | By virtue of Treaty of Guadalupe Hidalgo | Feb 26, 1884 | |
| Olivas, Marcus | 26 | California | Laborer | San Buenaventura | Nov 30, 1889 | ||
| Olivas, Nicholas | 57 | California | Farmer | Saticoy | Feb 26, 1884 | ||
| Olivas, Phillip | 23 | California | Farmer | Saticoy | Sep 6, 1884 | ||
| Olivas, Raymundo | 27 | California | Agent | Saticoy | Feb 26, 1884 | ||
| Olivas, Rudolph | 22 | California | Farmer | Conejo | May 6, 1889 | ||
| Olivas, Santiago | 48 | California | Musician | Saticoy | Feb 26, 1884 | ||
| Oliver, Fales | 34 | Portugal | Farmer | Pleasant Valley | Aug 1, 1890, Ventura Co., CA | Superior | Aug 1, 1890 |
| Olivera, Jose Antonio | 26 | California | Farmer | San Pedro | Sep 24, 1886 | ||
| Olivero, Casinto | 21 | California | Laborer | San Pedro | Oct 4, 1884 | ||
| Olivero, Pedro | 30 | California | Farmer | Sespe | Sep 19, 1884 | ||
| Olivers, Jose de Luz | 27 | California | Farmer | San Pedro | Jan 8, 1884 | ||
| Olmstead, Rufus Henry | 48 | New York | Farmer | Santa Paula | Feb 27, 1884 | ||
| Olmsted, Frank Cruson | 22 | California | Laborer | Santa Paula | Aug 10, 1890 | ||
| O'Neal, Robert | 63 | New York | Carpenter | San Buenaventura | Sep 29, 1888 | ||
| Oraga, Jose Antonio | 30 | California | Laborer | San Pedro | Oct 4, 1884 | ||
| Orcutt, John Hall | 39 | Michigan | Farmer | Santa Paula | Jun 5, 1884 | ||
| Orcutt, William Warren | 21 | Minnesota | Student | Santa Paula | Sep 11, 1890 | ||
| Ord, Emmet G. | 23 | California | Tinner | Santa Paula | Jun 2, 1888 | ||
| Ord, Emmet George | 24 | California | Merchant | Santa Paula | Oct 1, 1888 | ||
| Ore, William Robert | 35 | California | Farmer | Springville | Aug 18, 1890 | ||
| Orella, Nicholas | 58 | Chili | Cook | San Buenaventura | Jan 21, 1869, Santa Barbara Co., CA | District | Oct 6, 1884 |
| Ororke, Frank | 26 | California | Butcher | San Buenaventura | Sep 12, 1888 | ||
| Orr, Edward | 65 | North Carolina | Farmer | Santa Paula | Aug 22, 1884 | ||
| Orr, Orestus | 26 | Illinois | Lawyer | San Buenaventura | Jan 8, 1884 | ||
| Ortega, Alfredo | 22 | California | Vaquero | San Buenaventura | Dec 3, 1885 | ||
| Ortega, Anastasio | 25 | California | Laborer | Sespe | Sep 16, 1886 | ||
| Ortega, Antonio | 22 | California | Laborer | San Pedro | Sep 29, 1890 | ||
| Ortega, Cremon | 27 | California | Laborer | Ojai | Feb 26, 1884 | ||
| Ortega, Edward | 23 | California | Laborer | San Pedro | Sep 4, 1884 | ||
| Ortega, Jose | 21 | California | Laborer | San Pedro | Sep 20, 1890 | ||
| Ortega, Jose | 21 | California | Laborer | San Buenaventura | Nov 26, 1887 | ||
| Ortega, Jose Maria | 31 | California | Vaquero | San Buenaventura | Feb 2, 1884 | ||
| Ortega, Justo | 21 | California | Laborer | Sespe | Sep 11, 1886 | ||
| Ortega, Luis Antonio Maria | 35 | California | Printer | San Buenaventura | Nov 11 1889 | ||
| Ortega, Manuel | 21 | California | Laborer | San Pedro | Jul 19, 1884 | ||
| Ortega, Paulino O. | 22 | California | Laborer | Sespe | Sep 11, 1886 | ||
| Ortega, Ramon Nolberto | 21 | California | Laborer | San Buenaventura | Sep 20, 1890 | ||
| Ortega, Vincente | 49 | California | Farmer | San Pedro | By virtue of Treaty of Guadalupe Hidalgo | Feb 26, 1884 | |
| Ortego, Gregorio | 42 | Mexico | Laborer | La Canyada | Jul 23, 1877, Ventura Co., CA | County | Feb 12, 1884 |
| Ortego, Miguel Emidio | 67 | California | Vaquero | San Buenaventura | By virtue of Treaty of Guadalupe Hidalgo | Feb 26, 1884 | |
| Ortego, Ramon | 45 | California | Vaquero | San Buenaventura | By virtue of Treaty of Guadalupe Hidalgo | Feb 2, 1884 | |
| Ortego, Theodore | 40 | California | Vaquero | San Buenaventura | Oct 2, 1886 | ||
| Ortero, Pablo | 25 | Arizona | Laborer | San Buenaventura | Sep 20, 1886 | ||
| Orton, Fred Amos | 21 | California | Miller | La Canyada | Sep 1, 1890 | ||
| Orton, Robert | 54 | New York | Miller | La Canyada | Sep 6, 1888 | ||
| Osborn, James Johnson | 66 | Kentucky | Teacher | San Buenaventura | Jul 22, 1884 | ||
| Ostrom, Charles | 50 | New York | Miner | San Buenaventura | Aug 6, 1884 | ||
| Osuno, Dominga | 46 | Mexico | Vaquero | Santa Paula | By virtue of Treaty of Guadalupe Hidalgo | Sep 24, 1884 | |
| Otern, Jose Maria | 71 | Mexico | Laborer | Sespe | By virtue of Treaty of Guadalupe Hidalgo | Jul 31, 1884 | |
| Otte, Frederick | 56 | Germany | Farmer | Hueneme | Jul 18, 1890, Ventura Co., CA | Superior | Jul 18, 1890 |
| Otte, Frederick, Jr | 21 | Germany | Farmer | Hueneme | Jul 18, 1890, Ventura Co, CA | Superior | Jul 18, 1890 |
| Overmire, Milton Strader | 44 | Ohio | Farmer | Saticoy | Sep 23, 1890 | ||
| Owens, John R. | 54 | Illinois | Farmer | Saticoy | Sep 11, 1890 | ||
| Owens, John Williams | 36 | Indiana | Lecturer | Ojai | Jul 16, 1888 | ||
| Owens, Robert Lee | 28 | Virginia | Farmer | Saticoy | Sep 11, 1890 | ||
| Owens, Sidney Peter | 21 | Illinois | Farmer | San Pedro | Sep 11, 1890 | ||