Name of father Robert Plant
MARRIAGE - Mary A. [Ann] Woodhouse, 26 Jan 1887, Guelph, Canada
1900 OR CENSUS - James Plant, age 35, farmer, b. Jul 1864 in Canada, year of immigration 1888, is enumerated with wife Mary, married 11 years to James, b. Jun 1864 in Canada, year of immigration 1888, along with Cal C, age 8, b. Nov 1891 in Oregon, and Ethel, age 10, b. Oct 1889 in Oregon.

1910 OR CENSUS James Plant (44y, b Canada, immigrated 1885, naturalized, married 23y, occupation real estate agent) enumerated with wife Mary Ann (44y, b Canada, immigrated 1885, mother of 2 children) and 2 children, Ethel B. (20y, b Oregon, occupation dressmaker) and Calvin (17y, b Oregon)

1920 OR CENSUS James Plant (53y, b Canada, immigrated 1887, naturalized, occupation cemetery sexton) enumerated with wife Mary (53y, b Canada, immigrated 1887, naturalized) and son Calvin (29y, b Oregon, occupation laborer)

1930 OR CENSUS - James Plant, age 64, occupation cemetery sexton, b. Canada, year of immigration 1888, is enumerated with wife Mary A., age 64, b. Canada, year of immigration 1888, along with Calvin C., age 38, single, farmer, b. Oregon.
1940 OR CENSUS James Plant (74y, b Canada, occupation cemetery sexton) enumerated with wife Mary A. (74y, b Canada) and son Calvin (43y, b Oregon, occupation rancher); family was living in same house in 1935
BIOGRAPHICAL:
James Plant acted as the sexton for Salem Pioneer Cemetery from about 1909 until his death in 1944.

OSBH DC (Marion County 1944) #656 - James Plant, male, widowed (Mary Ann Plant), occupation farmer and cemetery sexton, b. 16 Jul 1864 in Ontario, Canada, d. 23 Jul 1944 in Salem, Oregon (1548 Saginaw St.) at the age of 80 y's 7 d's, name of father not given, maiden name of mother Mary Simmonds, interment 31 Jul, undertaker Barrick, informant Mrs. R. E. Clark of Salem.

JAMES PLANT DIES SUNDAY
James Plant, for more than 56 years a resident of Salem and for 35 years of that time sexton at the IOOF cemetery here, died Sunday at his home on Saginaw street after a short illness. 
In Guelph, Ontario, Canada, where he was born July 16, 1864, he married Mary Ann Woodhouse. With her he almost immediately set out for Salem, where they made their home together to the time of her death in August 1941. Until he took the position as sexton, Plant farmed on Howell Prarie. He was a member of the Odd Fellows. 
Surviving are a daughter, Mrs. R. E. Clark; and son Calfin [sic - Calvin] Plant and a granddaughter, Mildred Clark, all of Salem. Funeral arrangements had not been complete this morning. They will be announced from Clough Barrick company. 
Oregon Statesman 25 Jul 1944 2:5 

PLANT -- James Plant at his residence, 1548 Saginaw street, July 23. Survived by a daughter, Mrs. R. E. Clark, a son, Calvin Plant, and a granddaughter. Mildred Clark, all of Salem. Services will be held from the Clough-Barrick company chapel, Rev. Dudley Strain officiating. Interment in the IOOF cemetery. 
Wilamette Oregon Statesman 26 Jul 1944 5:1.

Plant 
James 
1864 - 1944 
[shares west face of monument with Mary Ann]

LR 
LD 
OSBH DC (Marion County 1944) #656  
S&H pg 56
Saucy Survey & Photographs 
Ontario Canada Marriages, 1801-1928 (Ancestry.com)
1900 OR CENSUS (Marion Co., Howell Prairie, ED 138, sheet 11-B)

1910 OR CENSUS (Marion co, Salem, ED 227, sheet 10B)

1920 OR CENSUS (Marion co, Salem, ED 354, sheet 13B)

1930 OR CENSUS (Marion Co., Salem, ED 71, sheet 7-B)
1940 OR CENSUS (Marion co, Salem, ED 24-79, sheet 5B)

OS 25 Jul 1944, 2:5
OS 26 Jul 1944, 5:1