MG
Mary Grimes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Missouri
Our Model Tree links this Mary Grimes across the 1930 and 1940 US Censuses in Henry-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 4-person household.
Age 13
b. ~1927
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Missouri |
| Surname | Grimes |
| Given Name | Mary V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Clinton |
| Additional Details | |
| Highest Grade | G 5 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Clinton |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| Mary Grimes | Daughter | — | 13 | ~1927 |
| Grace Grimes | Spouse | — | 34 | ~1906 |
| Orville Grimes | Son | — | 14 | ~1926 |
| Orville Grimes | Head | — | 34 | ~1906 |
Census Appearances
1930
Henry, Missouri
Daughter, age 3
Henry, Missouri · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Henry-County, Missouri
Daughter, age 13
Henry-County, Missouri · implied b. ~1927 — 4 household members
| Surname | Grimes |
| Given Name | Mary V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Clinton |
| Highest Grade | G 5 |
| 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.
Show:
This person
Anchor record
Mary Grimes
Daughter · 1940 · age 13 · b. ~1927 · Missouri
★ You are viewing this record
Sibling
Orville Grimes
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Henry-County, Missouri
Open full size
1940 US Federal Census — Henry-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02111-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edgar Whitechurch | 27 | Son | Carpenter | Missouri |
| 42 | Virginia Whitechurch | 25 | Daughter | — | Missouri |
| 43 | Robert Whitechurch | 19 | Son | Labor | Missouri |
| 44 | Dale E Whitechurch | 20 | Son | Labor | Missouri |
| 45 | Ernest Mcginere | 48 | Head | Salesman | Missouri |
| 46 | Grace O Mcginere | 44 | Wife | — | Missouri |
| 47 | Wanda J Mcginere | 10 | Daughter | — | Missouri |
| 48 | Ernestine Mcginere | 18 | Daughter | Waitress | Missouri |
| 49 | Rolla Bradley | 39 | Head | Mechanic | Kansas |
| 50 | Edna P Bradley | 38 | Wife | — | Kansas |
| 51 | Helen Bradley | 18 | Daughter | Bookkeeper | Kansas |
| 52 | Mildred Bradley | 15 | Daughter | — | Kansas |
| 53 | Elizabeth Bradley | 7 | Daughter | — | Missouri |
| 54 | Herman Henry | 57 | Head | — | Missouri |
| 55 | Lillie Henry | 55 | Wife | Laundry | Missouri |
| 56 | Orville Grimes | 34 | Head | Linotype Operator | Missouri |
| 57 | Grace O Grimes | 34 | Wife | — | Missouri |
| 58 | Orville J Grimes | 14 | Son | — | Missouri |
| 59 | Mary V Grimes THIS PERSON | 13 | Daughter | — | Missouri |
| 60 | Herbert Mygrong | 45 | Head | Labor | Missouri |
| 61 | Rose P Mygrong | 57 | Sister | — | Missouri |
| 62 | Hattie R Tribble | 65 | Head | — | Illinois |
| 63 | Evelyn Tribble | 22 | Daughter | Clerical | Missouri |
| 64 | Elmer Tribble | 20 | Son | — | Missouri |
| 65 | Willis Straw | 30 | Head | Labor | Missouri |
| 66 | Kathryn P Straw | 25 | Wife | — | Colorado |
| 67 | Mary Jo Straw | 7 | Daughter | — | Missouri |
| 68 | Jackie L Straw | 5 | Son | — | Missouri |
| 69 | Carol Ann Straw | 3 | Daughter | — | Missouri |
| 70 | Harry W Smith | 49 | Head | Bricklayer | Missouri |
| 71 | Eldra P Smith | 42 | Wife | — | Iowa |
| 72 | Jim Vanderburg | 55 | Head | Paper Hanger | Missouri |
| 73 | Mary Vanderburg | 54 | Wife | — | Iowa |
| 74 | James E Vanderburg | 20 | Son | Painter | Missouri |
| 75 | Lawrence E Vanderburg | 18 | Son | — | Missouri |
| 76 | Lettie Mae Vanderburg | 17 | Daughter | — | Missouri |
| 77 | Ada F Vanderburg | 15 | Daughter | — | Missouri |
| 78 | Leveta F Vanderburg | 14 | Daughter | — | Missouri |
| 79 | Carl Elyis | 55 | Head | Salesman | Missouri |
| 80 | Nora P Elyis | 53 | Wife | — | 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)