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Mary Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kandiyohi-County, Minnesota
Our Model Tree links this Mary Adams across the 1920, 1930 and 1940 US Censuses in Kandiyohi-County, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a daughter (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kandiyohi-County, Minnesota |
| Surname | Adams |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Willmar City |
| 1935 Residence (County) | Kandiyohi |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Credit Dept. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 360 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Stenographer |
| Township / Ward | Willmar City |
| Est. Birth Year | ~1920 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Adams | Daughter | — | 20 | ~1920 |
| Charles Adams | Head | — | 44 | ~1896 |
| Agnes Adams | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Kandiyohi, Minnesota
Daughter, age 1
Kandiyohi, Minnesota · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Kandiyohi, Minnesota
Daughter, age 10
Kandiyohi, Minnesota · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Kandiyohi-County, Minnesota
Daughter, age 20
Kandiyohi-County, Minnesota · implied b. ~1920 — 3 household members
| Surname | Adams |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Willmar City |
| 1935 Residence (County) | Kandiyohi |
| Occupation | Stenographer |
| Industry | Credit Dept. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 360 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Adams (~0.92 confidence) and father Chas Adams (~0.92 confidence) and mother Agnes Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Adams
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Chas Adams
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Agnes Adams
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Adams
Daughter · 1940 · age 20 · b. ~1920 · Minnesota
★ 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 — Kandiyohi-County, Minnesota
Open full size
1940 US Federal Census — Kandiyohi-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01930-00658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kathleen Chard | 35 | Wife | — | Minnesota |
| 2 | Arthur Chard | 7 | Son | — | Minnesota |
| 3 | Clifford Reigstad | 31 | Head | Truck Driver | Minnesota |
| 4 | Marion Reigstad | 27 | Wife | — | Minnesota |
| 5 | Kenneth Lundquist | 25 | Head | Timekeeper | Minnesota |
| 6 | Bertha Mae Lundquist | 23 | Wife | — | Minnesota |
| 7 | Gary Lundquist | 1 | Son | — | Minnesota |
| 8 | Nolan Ellandson | 25 | Head | Auto Supply Clerk | Minnesota |
| 9 | Erika Ellandson | 25 | Wife | — | N. Dakota |
| 10 | Arthur D. Larson | 56 | Head | Contractor | Minnesota |
| 11 | Eleanor Larson | 47 | Wife | — | Minnesota |
| 12 | Ellsworth Larson | 21 | Son | — | Minnesota |
| 13 | Roland Larson | 16 | Son | — | Minnesota |
| 14 | George Gulliford | 46 | Roomer | House Painter | Minnesota |
| 15 | Margaret Hafstad | 37 | Roomer | Bakery Helper | Iowa |
| 16 | Robert Conner | 58 | Head | Electrical Worker | New Jersey |
| 17 | Marie Conner | 49 | Wife | — | Iowa |
| 18 | Jerome Seede | 30 | Head | Store Clerk | N. Dakota |
| 19 | Lydia Seede | 27 | Wife | — | N. Dakota |
| 20 | Robert Seede | 3 | Son | — | N. Dakota |
| 21 | James Seede | 2 | Son | — | Minnesota |
| 22 | Elmer Bodnar | 28 | Head | Body Man | Minnesota |
| 23 | Fern Bodnar | 26 | Wife | — | Minnesota |
| 24 | Nils Lind | 74 | Head | — | Sweden |
| 25 | Louis Mattson | 57 | Head | Machinist Helper | Minnesota |
| 26 | Josephine Mattson | 49 | Wife | Practical Nurse | Minnesota |
| 27 | Doris Jean Mattson | 15 | Daughter | — | Minnesota |
| 28 | Charles E. Adams | 44 | Head | Fireman | Minnesota |
| 29 | Agnes M. Adams | 47 | Wife | — | Minnesota |
| 30 | Mary Jane Adams THIS PERSON | 20 | Daughter | Stenographer | Minnesota |
| 31 | Ferdinand Swenson | 63 | Head | Bookkeeper | Sweden |
| 32 | Selma Swenson | 58 | Wife | — | Sweden |
| 33 | Eben Lawson | 67 | Head | Artist, Editor | Illinois |
| 34 | Elsie Lawson | 71 | Sister | — | Illinois |
| 35 | Walter Lobbins | 29 | Head | Labor, Printing | Illinois |
| 36 | Harriet Lobbins | 25 | Wife | Beauty Operator | Minnesota |
| 37 | James Lobbins | 1 | Son | — | Minnesota |
| 38 | Maynard Gunderson | 31 | Head | Machine Operator | Minnesota |
| 39 | Isabelle Gunderson | 23 | Wife | — | Minnesota |
| 40 | Phillis Gunderson | 6 | Daughter | — | Minnesota |
Pedigree Summary
Mary
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)