MG
Mary Grimes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Livingston-County, Missouri
Our Model Tree links this Mary Grimes across the 1930 and 1940 US Censuses in Livingston-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Livingston-County, Missouri |
| Surname | Grimes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Livingston |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Jackson Twp |
| Est. Birth Year | ~1883 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Clarence Grimes | Son | — | 24 | ~1916 |
| Gains Grimes | Head | — | 66 | ~1874 |
| Virginia Grimes | Other | — | 18 | ~1922 |
| Mary Grimes | Spouse | — | 57 | ~1883 |
Census Appearances
1930
Livingston, Missouri
Other, age 47
Livingston, Missouri · implied b. ~1883 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | Mary S |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 14 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Livingston-County, Missouri
Spouse, age 57
Livingston-County, Missouri · implied b. ~1883 — 4 household members
| Surname | Grimes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Livingston |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Missouri |
| 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 Grimes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Grimes
Spouse · 1940 · age 57 · b. ~1883 · 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 — Livingston-County, Missouri
Open full size
1940 US Federal Census — Livingston-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02125-01033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eileene Mccollum | 13 | Daughter | — | New York |
| 42 | Harriette Mccollum | 77 | Head | — | Missouri |
| 43 | Tom Mccollum | 56 | Son | Farmer | Missouri |
| 44 | Virgil Mccollum | 49 | Son | Carpenter | Missouri |
| 45 | Al Johnson | 60 | Head | Laborer | Missouri |
| 46 | Tempie Johnson | 45 | Wife | — | Missouri |
| 47 | Bobby Johnson | 10 | Son | — | Missouri |
| 48 | Betty Johnson | 9 | Daughter | — | Missouri |
| 49 | Maryln Johnson | 7 | Daughter | — | Missouri |
| 50 | Mathias D. Sloan | 64 | Head | Farmer | Kentucky |
| 51 | Olive G. Sloan | 49 | Wife | — | Rosa England |
| 52 | Billy Sloan | 10 | Grandson | — | Missouri |
| 53 | Everette Stith | 54 | Head | Farmer | Missouri |
| 54 | Maye Stith | 55 | Wife | — | Missouri |
| 55 | John R. Owen | 72 | Head | Farmer | Missouri |
| 56 | Martha S. Owen | 60 | Wife | — | Missouri |
| 57 | J. Emmitt Owen | 21 | Son | Farm Laborer | Missouri |
| 58 | Edithmarion L. Owen | 10 | Grandson | — | Missouri |
| 59 | Oliver Dowell | 58 | Head | Farmer | Missouri |
| 60 | Molly Dowell | 56 | Wife | — | Missouri |
| 61 | Stirl Lamp | 49 | Head | Farmer | Missouri |
| 62 | Gertie Lamp | 47 | Wife | — | Missouri |
| 63 | Harold Lamp | 20 | Son | Farmer | Missouri |
| 64 | Mary Lamp | 16 | Daughter | Farm Laborer | Missouri |
| 65 | Paul Lamp | 13 | Son | — | Missouri |
| 66 | Carl Lamp | 8 | Son | — | Missouri |
| 67 | Scott Mast | 59 | Head | Farmer | Missouri |
| 68 | Scottie Mast | 54 | Wife | — | Missouri |
| 69 | Alva Brassfield | 63 | Head | Farmer | Missouri |
| 70 | Linnie Brassfield | 51 | Wife | — | Missouri |
| 71 | Robert Gillian | 29 | Son-in-law | Farmer | Missouri |
| 72 | Hellen Gillian | 18 | Daughter | — | Missouri |
| 73 | Gains J. Grimes | 66 | Head | Farmer | Missouri |
| 74 | Mary Grimes THIS PERSON | 57 | Wife | — | Missouri |
| 75 | Clarence Grimes | 24 | Son | Farmer | Missouri |
| 76 | Virginia Grimes | 18 | Daughter-in-law | — | Missouri |
| 77 | James Creason | 47 | Head | Farm Laborer | Missouri |
| 78 | George W. Goodman | 47 | Head | W.P.A. Blaster | Missouri |
| 79 | Amanda E. Goodman | 34 | Wife | — | Missouri |
| 80 | Wesley L. Goodman | 17 | Son | Farm Laborer | Missouri |
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)