Name of father James Davis

1900 MN CENSUS – Walter L. Davis (b Feb 1885, Minnesota) enumerated with father James N. (b Oct 1856, Minnesota, married 6y, occupation farmer), stepmother Judith J. (b Mar 1865, Holland, mother of 3 children) and 3 half-siblings, Nettie E. (b Oct 1894, Minnesota), Anna L. (b June 1896, Minnesota) and Johanna C. (b Aug 1897, Minnesota)

MARRIAGE - Walter L. Davis md Ella Munson 2 Jun 1909 in Marion Co., Oregon. 
1910 OR CENSUS - Walter L. Davis, age 24, occupation engineer, b. Minnesota, is enumerated with his wife of 1 year, Ella May, age 23, b. Nebraska.  Also enumerated with the family are Jane Robertson, identified as aunt [of Walter], age 53, single, b. Illinois, and Grace B. Davis, identified as sister [of Walter], age 22, single, b. Minnesota.

WWI Draft Registration Card – Walter Leonard Davis, 33y, of Rt 7, Salem, Marion Co, Oregon; born 3 Feb 1885; occupation engineer, State of Oregon; nearest relative wife Ella Musen Davis, Turner, Oregon

1920 OR CENSUS – W.L. Davis (34y, b Minnesota, occupation engineer) enumerated with wife Ella (33y, b Nebraska)

1930 OR CENSUS – Walter Davis (45y, b Minnesota, married at age 24y, occupation engineer) enumerated with wife Ella M. (43y, b Nebraska, married at age 23y, occupation cook); both were employees of the Oregon State Hospital

WWII Draft Registration Card – Walter Leonard Davis, 57y, of Rt 7, Box 451, Salem, Marion Co, Oregon; born 3 Feb 1885, Fergus Falls, Minn; person who knows address Ella M. Davis, Rt 7, Box 451, Salem, Oregon

OSBH DC (Marion County 1963) #14033 - Walter Leonard Davis, male, married (Ella Mae), occupation locomotive engineer, b. 3 Feb 1885 at Fergus Fall, Minnesota, d. 10 Oct 1963 at Salem, Oregon (2945 Hollywood Dr.) at the age of 78 years, name of father James Davis, name of mother not given by informant, bur City View Cemetery (sic - Salem Pioneer), informant Ella Mae, wife.

Walter Leonard Davis, 78, died at his home at 2945 Hollywood Drive, NE, Thursday.
Services will be Saturday at 10:30 p.m. at Rigdon Funeral Home with Rev. Robert Karn of Portland officiating. Burial will be at Salem Pioneer Cemetery.
Davis was a retired railroad engineer. He had moved to Oregon 70 years ago from Minnesota. He was a member of AF/AM Lodge 50 and Presbyterian Church.
Survivors are his wife, Ella Mae Davis, Salem; sisters, Mrs. Grace Collins and Miss Evelyn Davis, Long Beach, Calif., Miss Anna David, Pasadena, Calif., Mrs. Christine Tangan, Ramona, Calif., and Mrs. Laura Templeton, Los Angeles, Calif.
Oregon Statesman Friday, 11 Oct 1963, 4:1

Davis
Walter L.
1885 - 1963
[shares marker with Ella Mae]

LD
OSBH DC (Marion County 1963) #14033
Saucy Survey & Photographs
1900 MN CENSUS (Otter Tail Co, Amor, ED 140, FA#51)

Oregon Marriages, 1906-20
1910 OR CENSUS (Marion Co., Salem, ED 224, sheet 5B)

WWI Draft Registration Card (Ancestry.com)

1920 OR CENSUS (Marion Co, Fairgrounds, ED 321, sheet 7A)

1930 OR CENSUS (Marion Co, Salem, ED 66, sheet 3A)

WWII Draft Registration Card (Ancestry.com)

OS 11 Oct 1963, 4:1