MN
Marie Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Judith-Basin-County, Montana
Our Model Tree links this Marie Nelson across the 1930 and 1940 US Censuses in Judith-Basin-County, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Judith-Basin-County, Montana |
| Surname | Nelson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Judith Basin |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Montana |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | School District 10 Willow Creek |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Loretta Nelson | Daughter | — | 1 | ~1939 |
| Nora Nelson | Spouse | — | 33 | ~1907 |
| Viola Nelson | Daughter | — | 14 | ~1926 |
| Audrey Nelson | Daughter | — | 5 | ~1935 |
| Arnold Nelson | Son | — | 13 | ~1927 |
| Walter Nelson | Head | — | 39 | ~1901 |
| Arthur Nelson | Son | — | 7 | ~1933 |
| Marie Nelson | Daughter | — | 11 | ~1929 |
| Betty Nelson | Daughter | — | 4 | ~1936 |
| Violet Nelson | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Judith Basin, …
Daughter, age 1
Judith Basin, Montana · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Marie L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Judith-Basin-County, Montana
Daughter, age 11
Judith-Basin-County, Montana · implied b. ~1929 — 10 household members
| Surname | Nelson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Judith Basin |
| Highest Grade | 5 |
| 1935 Residence | Montana |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Marie Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Nelson
Daughter · 1940 · age 11 · b. ~1929 · Montana
★ You are viewing this record
Sibling
Violet Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Nelson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Nelson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Nelson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Nelson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Nelson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Nelson
Sibling · 1940 · age 13
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 — Judith-Basin-County, Montana
Open full size
1940 US Federal Census — Judith-Basin-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02221-00966)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mathew Holzer | 47 | Head | Farmer | Wisconsin |
| 2 | James Holzer | 49 | Head | Farmer | Wisconsin |
| 3 | Ruth Holzer | 35 | Wife | None | Montana |
| 4 | Donald Holzer | 13 | Son | — | Montana |
| 5 | William Duncan | 56 | Head | Farmer | Scotland |
| 6 | Lizzie Duncan | 53 | Wife | None | Scotland |
| 7 | Walter Nelson | 39 | Head | Farmer | Minnesota |
| 8 | Nora Nelson | 33 | Wife | None | Missouri |
| 9 | Viola Nelson | 14 | Daughter | — | Montana |
| 10 | Arnold Nelson | 13 | Son | — | Montana |
| 11 | Marie Nelson THIS PERSON | 11 | Daughter | — | Montana |
| 12 | Violet Nelson | 9 | Daughter | — | Montana |
| 13 | Arthur Nelson | 7 | Son | — | Montana |
| 14 | Audrey Nelson | 5 | Daughter | — | Montana |
| 15 | Betty Nelson | 4 | Daughter | — | Montana |
| 16 | Loretta Nelson | 1 | Daughter | — | Montana |
| 17 | August Boeck | 54 | Head | Farmer | Wisconsin |
| 18 | Evalina Boeck | 48 | Wife | None | Minnesota |
| 19 | Myrlin Boeck | 20 | Son | Farmer | Montana |
| 20 | John W. Swain | 57 | Head | Farmer | Montana |
| 21 | Margaret Swain | 58 | Wife | Housekeeper | Iowa |
| 22 | Edwin Marker | 37 | Head | Farmer | New York |
| 23 | Rose Marker | 35 | Wife | None | Montana |
| 24 | Charles Marker | 12 | Son | — | Michigan |
| 25 | Thomas Marker | 10 | Son | — | Michigan |
| 26 | Marjorie Marker | 3 | Daughter | — | Montana |
| 27 | George Holzer | 60 | Head | Farmer | Wisconsin |
| 28 | Marie Holzer | 57 | Wife | None | Wisconsin |
| 29 | John Holzer | 23 | Son | None | Wisconsin |
| 30 | Paul Holzer | 19 | Son | None | Montana |
| 31 | Mary Tarr | 37 | Housekeeper | Housekeeper | Montana |
| 32 | Otto Bupenman|Busenman | 48 | Head | Farmer | Indiana |
| 33 | Annie Bupenman|Busenman | 37 | Wife | None | Montana |
| 34 | Margaret Bupenman|Busenman | 3 | Daughter | — | Montana |
| 35 | Carl Johnson | 51 | Hired man | Laborer | Norway |
| 36 | Perry Roesch | 49 | Head | Manager | Wisconsin |
| 37 | Oscar Anderson | 53 | Head | Farmer | North Dakota |
| 38 | Ann Anderson | 44 | Wife | None | Nebraska |
| 39 | Ernest Anderson | 32 | Son | None | Montana |
| 40 | Richard Anderson | 18 | Son | Farmer | 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)