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Mary Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Oregon
Our Model Tree links this Mary Mccormick across the 1920, 1930 and 1940 US Censuses in Marion-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Female
Spouse
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Oregon |
| Surname | McCormick |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Scotts Mills Precinct |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Scotts Mills Precinct |
| Est. Birth Year | ~1892 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ellayne Mccormick | Daughter | — | 11 | ~1929 |
| Joseph Mccormick | Head | — | 51 | ~1889 |
| Albert Mccormick | Son | — | 21 | ~1919 |
| Richard Mccormick | Son | — | 9 | ~1931 |
| Raymond Mccormick | Son | — | 21 | ~1919 |
| Patrick Mccormick | Son | — | 19 | ~1921 |
| Mary Mccormick | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Marion, Oregon
Spouse, age 28
Marion, Oregon · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Mary G |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Marion, Oregon
Spouse, age 39
Marion, Oregon · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 23 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Marion-County, Oregon
Spouse, age 48
Marion-County, Oregon · implied b. ~1892 — 7 household members
| Surname | McCormick |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Scotts Mills Precinct |
| 1935 Residence (County) | Marion |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Mccormick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mccormick
Spouse · 1940 · age 48 · b. ~1892 · Oregon
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Oregon
Open full size
1940 US Federal Census — Marion-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03375-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Katie Mccormick | 53 | Head | — | Oregon |
| 42 | Gertrude Jensen | 45 | Daughter | — | Oregon |
| 43 | Margaret M. Jensen | 16 | Granddaughter | — | Oregon |
| 44 | Kathleen Jensen | 13 | Granddaughter | — | Oregon |
| 45 | Joseph A. Mccormick | 51 | Head | Farmer | Oregon |
| 46 | Mary Mccormick THIS PERSON | 48 | Wife | — | Oregon |
| 47 | Raymond Mccormick | 21 | Son | Farmer | Oregon |
| 48 | Albert Mccormick | 21 | Son | Farmer | Oregon |
| 49 | Patrick Mccormick | 19 | Son | Farmer | Oregon |
| 50 | Ellayne Mccormick | 11 | Daughter | — | Oregon |
| 51 | Richard Mccormick | 9 | Son | — | Oregon |
| 52 | Chris Rimmer | 55 | Head | Farmer | Pennsylvania |
| 53 | Vivian Rimmer | 51 | Wife | — | California |
| 54 | Norman Rimmer | 15 | Son | Farmer | Colorado |
| 55 | Clarence Gibson | 56 | Head | Farmer | Oregon |
| 56 | Minnie Gibson | 54 | Wife | — | Wisconsin |
| 57 | Betty Jean Gibson | 7 | Daughter | — | Oregon |
| 58 | Burton Whittinghill | 63 | Head | Farmer | Indiana |
| 59 | Effie Whittinghill | 59 | Wife | — | Kentucky |
| 60 | Helen Baker | 30 | Daughter | — | Missouri |
| 61 | Louis Lermann | 45 | Head | Farmer | Russia |
| 62 | Mollie Lermann | 37 | Wife | — | North Dakota |
| 63 | Glenn Lermann | 16 | Son | Farmer | North Dakota |
| 64 | Bernard Lermann | 14 | Son | Farmer | North Dakota |
| 65 | Leroy Lermann | 8 | Son | — | California |
| 66 | Ray Overvaugh | 48 | Head | Farmer | Kansas |
| 67 | Emily Overvaugh | 40 | Wife | — | Kansas |
| 68 | Bernard Overvaugh | 20 | Son | Farmer | Oklahoma |
| 69 | Agnes Overvaugh | 2 | Daughter | 0 | Oregon |
| 70 | Sadie Martz | 70 | Head | — | Pennsylvania |
| 71 | Glenn Martz | 31 | Son | Farmer | Pennsylvania |
| 72 | Cloyd Martz | 33 | Son | Farmer | Pennsylvania |
| 73 | Agnes Martz | 30 | Daughter-in-law | — | South Dakota |
| 74 | Robert Stewart | 5 | Grandson | — | Oregon |
| 75 | James W. Brasher | 39 | Head | Advertising | Oregon |
| 76 | Helen Brasher | 35 | Wife | — | Idaho |
| 77 | Emma Brasher | 82 | Mother | — | Indiana |
| 78 | William Keith | 54 | Head | Farmer | Oregon |
| 79 | Rosa Keith | 61 | Wife | — | Ohio |
| 80 | Gilbert Benjamin | 62 | Head | Farmer | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)