- "O" SURNAMES
- O'BRIEN
- Cerise
- Florence M.
- O'BRYAN
- Mark Wayne
- O'BRYANT
- Lemuel Franklin
- O'DELL
- Geneva I.
- George T.
- Louise
- Marshall
- OATMAN
- Clella
- OBERLAG
- Anna, Dr.
- F. R. Dr.
- O'BRIEN
- Frank
- Kyle Patrick
- Leo J.
- OBRIEN
- William F.
- O'CONNOR
- Genevieve
- Lottie, Mrs. Robert
- Mayme, Miss
- Robert
- O'DELL
- Abbie, Mrs.
- Alberta
- Brownie
- Carrie, Mrs. Matthew
- Delphia
- Edna, Mrs. Frank
- Elizabeth, Mrs. Marshall
- Elsie M.
- Flossie, Mrs. Orvis
- Fowler
- Harold
- James
- Leora
- Lissetta
- Loma, Mrs.Robert
- Lula M.
- Mary
- Matthew
- Mildred E., Mrs. George
- Mildred J. Miss
- Minnie, Mrs. Ben
- Muriel
- Orpha
- Raymond H.
- Rhoda
- Ward Allen
- ODEN
- Chester R.
- Corey Dene
- Donald R.
- Gerald W.
- Peggy Jean
- Sylvia, Mrs. Chester
- ODOM
- Edna, Mrs. William
- OEHRING
- Donald Lee
- OERTWIG
- Fred C.
- Gilbert
- Lillian, Mrs. Fred
- OESTREICH
- Janeth, Mrs. Ivan
- Virgil
- OETKINS
- Mary
- OFFIELD
- Anna
- Lauretta, Mrs. Uel
- Sharon, Mrs. Harold
- OFFUTT
- Georginia
- OGAN
- Elva
- Ida
- Iona
- John Harvey
- Larry Lee
- Ray Y.
- Ray
- OGDEN
- Alma W. Roe
- Buell A.
- Nellie, Mrs. Bill
- OGLE
- David Thomas
- Ronald E.
- Roy
- O'HALLORAN
- Elizabeth A.
- Richard J.
- O'HARA
- Stanley J.
- Zita
- O'HAVER
- Arminta
- Evelyn
- O'KEEFE
- Pattric Ruth, DR.
- OHLIN
- Carl O.
- Corinne
- OLDAKER
- Orie D.
- OLDER
- Dora
- OLENHOUSE
- Charlotte, Miss
- Edwin Ray
- Florence M.
- Fred C.
- Gilbert (Gibby)
- Kathleen, Mrs. Leonard
- Marian B.
- Pearlina, Mrs. John
- Verna, Mrs. Gilbert
- William Hoff
- OLESON
- Becky
- Bobby Jay
- Vincent Wayne
- OLIVER
- Betty
- Edna, Mrs. James
- Harry F.
- James Thomas
- Lula D.
- Sylvia, Mrs. Harry
- OLNEY
- Charolette
- OLSEN
- Karen, Mrs. Marius
- Kathy
- OLSON
- Emmet Harry
- Rose Marie
- Stanley
- O'NAN
- Leola, Mrs. Shellie
- Shellie J.
- O'NEAL
- Baby Brandy
- Glaphy Lucille
- Lavera, Mrs.
- Margaret
- ONEAL
- Gail D.
- O'NEIL
- Daphne
- ONTJES
- Genevieve L.
- OPPEL
- Janet Lee
- OREAR
- Josephine, Mrs. Edwin
- OREN
- Bertha
- Fay Wiley
- ORMISTON
- Jaunita
- ORMSBY
- Hazel
- O'ROARK
- Athel H.
- Athel H.
- Jennie, Mrs. Athel
- Michael, Monsignor
- O'ROURKE
- Margaret
- Mary
- ORR
- Alice, Mrs. Edwin
- Edwin C.
- Forrest, Judge
- Leona, Mrs.
- Thomas L.
- OSBORN
- Annalee
- Maude I.
- Raman
- OSGOOD
- Billy Lee
- Dorothy
- Frank
- George
- James R.
- Myrtle, Mrs. Frank
- Ruth B.
- OSTER
- Allen W.
- Harold L.
- Hazel, Mrs. Harold
- Maxine, Mrs. Allen
- William J.
- OSTERVICH
- Scott A.
- OSTRANDER
- Josephine
- OTHIC
- David W.
- Leo Edward
- OTT
- Ada, Mrs. Clyde
- Mary, Mrs.
- Mary, Mrs. Lewis
- Vincie
- OTTE
- Martha, Mrs. Carl
- OTTO
- Fedora
- Nellie, Mrs. Henry
- Ruth
- OUTCALT
- Charles S.
- OVERMAN
- Sarah, Mrs. Charles
- OVERSTREET
- Elizabeth
- Hattie
- OVERTON
- Forest
- Glen
- Grace, Mrs. John
- Hattie, Mrs. Henry
- Merna
- Ruth
- OWEN
- Alice
- Anna, Mrs. Roy
- Eva, Mrs. Omar
- Frieda Lillian
- Hubert W.
- Junior
- Marion Lowell
- Martha, Mrs. John
- Mary Bell Frith
- Mary Frances
- Pearl
- Roy C.
- Stephen, Judge
- Stephen, Judge
- Wilbur
- OWENS
- B. S. Fr.
- Edith Blanche
- Gerald D.
- James Henry
- Lora, Mrs. Charles D.
- Louella
- Marlen Roger
- Ray, Gen.
- Richard E.
- Robert E.
- OWINGS
- Grace, Mrs. Roy
- Howard Dudley
- Julia, Mrs. Price
- Morris
- Price
- OWSLEY
- Arvid V.
- Ellen, Mrs. I. B.
- Mary
- OXFORD
- Effie, Mrs. George
- George H.
- Opal, Mrs. Roscoe
- OXLEY
- George
- OYER
- Eunice, Mrs.
- OYERLY
- Nellie