MN
Mary Nichols — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cass-County, Missouri
Our Model Tree links this Mary Nichols across the 1920, 1930 and 1940 US Censuses in Cass-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 6-person household.
Age 63
b. ~1877
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Missouri |
| Surname | Nichols |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Index Township |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Index Township |
| Est. Birth Year | ~1877 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sue Nichols | Daughter | — | 33 | ~1907 |
| David Nichols | Head | — | 72 | ~1868 |
| Glona Pilcher | Other | — | 11 | ~1929 |
| Charley Nichols | Son | — | 28 | ~1912 |
| David Nichols | Son | — | 23 | ~1917 |
| Mary Nichols | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Cass, Missouri
Spouse, age 43
Cass, Missouri · implied b. ~1877 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Cass, Missouri
Spouse, age 53
Cass, Missouri · implied b. ~1877 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cass-County, Missouri
Spouse, age 63
Cass-County, Missouri · implied b. ~1877 — 6 household members
| Surname | Nichols |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Index Township |
| 1935 Residence (County) | Cass |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Nichols 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 Nichols
Spouse · 1940 · age 63 · b. ~1877 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cass-County, Missouri
Open full size
1940 US Federal Census — Cass-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02095-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | E. Charles | 11 | Son | — | Missouri |
| 2 | Bobie Dillon Charles | 6 | Son | — | Missouri |
| 3 | Conrad E. Kagarice | 30 | Head | Laborer | Missouri |
| 4 | Eula F. Kagarice | 29 | Wife | Housekeeper | Missouri |
| 5 | Beverly Ann Hedgepeth | 2 | Taker-in | — | Missouri |
| 6 | Frederick F. Sulser | 40 | Head | Farmer | Missouri |
| 7 | Hazel S. Sulser | 39 | Wife | Farmer | Nebraska |
| 8 | Hazel M. Sulser | 17 | Daughter | Farmer | Missouri |
| 9 | Fred Jr. Sulser | 15 | Son | Farmer | Missouri |
| 10 | Franklin D. Sulser | 12 | Son | Farmer | Missouri |
| 11 | Gracie M. Sulser | 7 | Daughter | — | Missouri |
| 12 | Walter S. Downey | 66 | Head | Farmer | Missouri |
| 13 | Mary R. Downey | 61 | Wife | Farmer | Missouri |
| 14 | Leo A. Downey | 19 | Son | Laborer | Missouri |
| 15 | Kenneth B. Downey | 17 | Son | Laborer | Missouri |
| 16 | Syrelda J. Guilford | 33 | Daughter | Housekeeper | Missouri |
| 17 | Ferrell D. Guilford | 2 | Grandson | — | Missouri |
| 18 | Oran J. Taylor | 47 | Boarder | Carpenter | Kansas |
| 19 | Forrest W. Moore | 58 | Head | Broommaker | Missouri |
| 20 | Katherine D. Moore | 57 | Wife | Farmer And Broommaker | Missouri |
| 21 | Forrest L. Moore | 35 | Son | Farmer And Broommaker | Missouri |
| 22 | Marion E. Moore | 25 | Daughter | Music Teacher | Missouri |
| 23 | Saundra L. Moore | 5 | Grandchild | — | Missouri |
| 24 | Albert G. Graham | 77 | Head | Farmer | Wisconsin |
| 25 | Tillie J. Graham | 43 | Daughter | Farmer | Missouri |
| 26 | Jamie O. Graham | 40 | Son | Farmer | Missouri |
| 27 | Burl L. Graham | 33 | Son | Farmer | Missouri |
| 28 | Orville H. Bearley | 26 | Head | Laborer | Missouri |
| 29 | Ruth E. Bearley | 24 | Wife | Housekeeper | Missouri |
| 30 | Orville L. Bearley | 5 | Son | — | Missouri |
| 31 | Carl E. Bearley | 3 | Son | — | Missouri |
| 32 | Lela M. Bearley | 1 | Daughter | — | Missouri |
| 33 | David E. Nichols | 72 | Head | Farmer | Missouri |
| 34 | Mary A. Nichols THIS PERSON | 63 | Wife | Farmer | Missouri |
| 35 | Sue B. Nichols | 33 | Daughter | Housework | Missouri |
| 36 | Charley B. Nichols | 28 | Son | Farmer | Missouri |
| 37 | David T. Nichols | 23 | Son | Farmer | Missouri |
| 38 | Glona D. Pilcher | 11 | Granddaughter | — | Iowa |
| 39 | Charles E. Woolery | 31 | Head | Farmer | Missouri |
| 40 | Myra O. Woolery | 28 | Wife | Farmer | Missouri |
Related Census Records
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)