The following data is extracted from Wisconsin Navy, Marines and Coast Guard World War II Casualty List.
OAKLUND, Douglas Harry, Seaman 1c, USCGR. Father, Mr. Harry Gustave Oaklund, 316 Alemeda St., Marinette.
OBYDINE, Stephen Eli, Aviation Ordnanceman 3c, USNR. Wife, Mrs. Joan Sophia Obydine, 2211 S. 19th St., Milwaukee.
O'CALLAHAN, Robert Edwin, Ensign, USNR. Mother, Mrs. Harriet Ruth O'Callahan, 197 Parkway, Oshkosh.
OCKER, LeRoy Milton, Electrician's Mate 3c, USNR. Wife, Mrs. Lela Evelyn Ocker, 1721 16th St., Monroe.
O'CONNOR, Mark Angello, Electrician's Mate 3c, USNR. Parents, Mr. and Mrs. John Alexander O'Connor, Rt. 2, Mosinee.
OELDEMANN, Henry Carl, Fireman 1c, USNR. Parents, Mr. and Mrs. Carl L. Oeldemann, 2547 S. 4th St., Milwaukee.
OFTEDAHL, Willis Odean, Pfc., USMCR. Mother, Mrs. Tillie Oftedahl, 413 S. Main St., Viroqua.
OGILVIE, Donald George, Machinist's Mate 2c, USNR. Mother, Mrs. Millie Ogilvie, 407 E. Johnson St., Madison.
OKON, Robert Bertram, Aviation Ordnanceman 1c, USNR. Wife, Mrs. Helen Barbara O'Kon, Rt. 2, Box 58, Greenwood.
OLSEN, Wilford John, Radioman 3c, USNR. Parents, Mr. and Mrs. John Olsen, Rt. 1, Lake Geneva.
OLSON, Douglas Herman, Motor Machinist's Mate 2c, USNR. Parents, Mr. and Mrs. Herman Olsen, Rt. 2, Amery.
OLSON, Errett Blaine, Machinist's Mate 3c, USN. Parents, Mr. and Mrs. Henry B. Olson, Rt. 3, Viroqua.
OLSON, Gilbert S., Pvt., USMCR. Parents, Mr. And Mrs. Edward Olson Sr., Rt. 1, Lone Rock.
OLSON, John Clayton, Fireman 2c, USNR. Parents, Mr. And Mrs. Carl J. Olson, 1300 West Ave., South, La Crosse.
OLSON, Lawrence I., Pvt., USMC. Mother, Mrs. Margaret Olson, 419 Baxter Ave., Superior.
OMELIA, Robert M., Captain, USMC. Mother, Mrs. May M. Omelia, 520 N. 33rd St., Milwaukee.
ONSRUD, Edward W., Pfc., USMCR. Father, Mr. Alfred Onsrud, Gen. Del., Ettrick.
ORCUTT, John Ripley, Motor Machinist's Mate 1c, USCG. Father, Mr. Clare E. Orcutt, Fontana.
ORIBILETTI, Bruno, Pfc., USMC. Sister, Mrs. Lena Zarletti, 5616 14th Ave., Kenosha.
ORLOWSKI, Frank, Fireman 1c, USNR. Parents, Mr. and Mrs. John Orlowski, 3406 W. Pabst Ave., Milwaukee.
ORVALD, Robert Phillip, Machinist's Mate 2c, USNR. Wife, Mrs. Paula Orvald, 66 Laurel Ave., Superior.
ORZEL, Stanley Sylvester, Fire Controlman 1c, USN. Mother, Mrs. Margaret Orzel, 2018 W. Lincoln Ave., Milwaukee.
OSBORNE, Gene Leroy, Seaman 1c, USNR. Parents, Mr. and Mrs. Gilman Osborne, 703 Ridge St., Stoughton.
O'TOOLE, Douglas John, Radioman 3c, USN. Guardian, Mr. John M. Wynen, 155 Cepape St., Oshkosh.
OURS, Harry William, Cpl., USMC. Parents, Mr. and Mrs. Orphie M. Ours, Rt. 4, Box 548, Kenosha.
OUTCELT, Gerald George, Seaman 2c, USNR. Parents, Mr. and Mrs. George Outcelt, 1303, Caledonia St., La Crosse.
OUTCELT, Keith Lewis, Pvt., USMCR. Parents, Mr. and Mrs. Kenneth L. Outcelt, Gen. Del., Balsam Lake.
OVERLY, Charles Franklin, Signalman 2c, USNR. Father, Mr. Charles F. Overly, 214 Jackson St., Neenah.
OWSIANNY, Walter, Machinist's Mate 2c, USN. Mother, Mrs. Katherine Owsianny, 5424 W. Burnham St., Milwaukee.
Source: Wisconsin Navy, Marines and Coast Guard World War II Casualty List