MH
Mary Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, Montana
Our Model Tree links this Mary Hart across the 1920, 1930 and 1940 US Censuses in Richland-County, Montana (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Female
Spouse
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, Montana |
| Surname | Hart |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Savage Village |
| 1935 Residence (County) | Richland |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Savage Village |
| Est. Birth Year | ~1885 |
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 |
|---|---|---|---|---|
| Joe Hart | Head | — | 66 | ~1874 |
| Edgar Hart | Son | — | 21 | ~1919 |
| George Hart | Son | — | 27 | ~1913 |
| John Hart | Son | — | 29 | ~1911 |
| Joe Hart | Son | — | 34 | ~1906 |
| Mary Hart | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Richland, Montana
Spouse, age 34
Richland, Montana · implied b. ~1886 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Richland, Montana
Other, age 45
Richland, Montana · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hort |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Richland-County, Montana
Spouse, age 55
Richland-County, Montana · implied b. ~1885 — 6 household members
| Surname | Hart |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Savage Village |
| 1935 Residence (County) | Richland |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hart
Spouse · 1940 · age 55 · b. ~1885 · Montana
★ 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 — Richland-County, Montana
Open full size
1940 US Federal Census — Richland-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02228-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sophie Burau | 37 | Wife | — | Montana |
| 42 | Eugene Burau | 14 | Son | — | Montana |
| 43 | Robert Burau | 12 | Son | — | Montana |
| 44 | Virginia Burau | 6 | Daughter | — | Montana |
| 45 | Alma Johnson | 32 | Lodger | Clerk | Montana |
| 46 | Lillian R Larson | 58 | Wife | — | Indiana |
| 47 | Aleck E Larson | 57 | Head | Mail Carrier | Minnesota |
| 48 | John E Larson | 23 | Son | New Worker | Montana |
| 49 | Richard V Larson | 16 | Son | — | Montana |
| 50 | Howard B Francis | 33 | Head | Laborer | Illinois |
| 51 | Lucile Francis | 26 | Wife | — | Montana |
| 52 | Marjori Francis | 5 | Daughter | — | Montana |
| 53 | Duane Francis | 3 | Son | — | Montana |
| 54 | Arliene Francis | 1 | Daughter | — | Montana |
| 55 | Valenthal Hudson | 40 | Head | — | Indiana |
| 56 | Ronald L Hudson | 1 | Son | — | Montana |
| 57 | Marian King | 21 | Daughter | — | N Dakota |
| 58 | Leroy A King | 1 | Grand Son | — | Montana |
| 59 | John Reiner | 52 | Head | Farmer | Russia |
| 60 | Ottile Reiner | 49 | Wife | — | Russia |
| 61 | Ferdinad M Reiner | 28 | Son | Laborer | N Dakota |
| 62 | Christian P Reiner | 27 | Son | Laborer | N Dakota |
| 63 | Tobias E Reiner | 23 | Son | Laborer | N Dakota |
| 64 | Lilly Reiner | 17 | Daughter | — | N Dakota |
| 65 | Carl F Reiner | 14 | Son | — | N Dakota |
| 66 | Evelin L Reiner | 9 | Daughter | — | Montana |
| 67 | August Meidinger | 49 | Head | Laborer | N Dakota |
| 68 | Magdalena Meidinger | 44 | Wife | — | Russia |
| 69 | Wilmer Meidinger | 19 | Son | Laborer | N Dakota |
| 70 | Harold Meidinger | 15 | Son | — | N Dakota |
| 71 | Wallace Meidinger | 13 | Son | — | N Dakota |
| 72 | Alice Meidinger | 12 | Daughter | — | N Dakota |
| 73 | Lucien Gibbs | 55 | Head | — | Missouri |
| 74 | Cybe Gibbs | 53 | Brother | — | Missouri |
| 75 | Joe C Hart | 66 | Head | Laborer | Minnesota |
| 76 | Mary Hart THIS PERSON | 55 | Wife | — | Germany |
| 77 | Joe D Hart | 34 | Son | Mechanic Helper | Montana |
| 78 | John L Hart | 29 | Son | Bench Man | Montana |
| 79 | George W Hart | 27 | Son | Laborer | Montana |
| 80 | Edgar A Hart | 21 | Son | Laborer | Montana |
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)