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Arthur Larson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mchenry-County, North Dakota
Our Model Tree links this Arthur Larson across the 1910, 1920, 1930 and 1940 US Censuses in Mchenry-County, North Dakota (XGBoost, ~Confirmed), with identified parents John & Mary — first a head (b.~1888), then head of a 3-person household.
Age 52
b. ~1888
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mchenry-County, North Dakota |
| Surname | Larson |
| Given Name | Arthur S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Star Township 155 Range 77 |
| 1935 Residence (County) | McHenry |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farmer |
| Township / Ward | Star Township 155 Range 77 |
| Est. Birth Year | ~1888 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Hazel Larson | Daughter | — | 19 | ~1921 |
| Arthur Larson | Head | — | 52 | ~1888 |
| Mary Larson | Spouse | — | 58 | ~1882 |
Census Appearances
1910
Mchenry, North …
Son, age 22
Mchenry, North Dakota · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Norway |
| Occupation | Labor |
| Industry | Home Farm |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1920
Mchenry, North …
Head, age 31
Mchenry, North Dakota · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Stock Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Mchenry, North …
Head, age 42
Mchenry, North Dakota · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Arthur S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 26 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Norway |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | H |
| Home Value / Rent | 5 |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Mchenry-County, North …
Head, age 52
Mchenry-County, North Dakota · implied b. ~1888 — 3 household members
| Surname | Larson |
| Given Name | Arthur S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Star Township 155 Range 77 |
| 1935 Residence (County) | McHenry |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Arthur Larson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Larson (~0.92 confidence) and mother Mary Larson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Larson
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Mary Larson
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Larson
Head · 1940 · age 52 · b. ~1888 · North Dakota
★ 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 — Mchenry-County, North Dakota
Open full size
1940 US Federal Census — Mchenry-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03005-00768)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Axel O. Rongslie | 44 | Head | Farmer | North Dakota |
| 2 | Agnes C. Rongslie | 30 | Wife | Farmer | North Dakota |
| 3 | Mathea Rongslie | 82 | Mother | — | Norway |
| 4 | Orville Cole | 39 | Hired hand | Farm Laborer | North Dakota |
| 5 | Herman Arnon | 29 | Hired hand | Farm Laborer | North Dakota |
| 6 | Albert J. Schiele | 28 | Hired hand | Farm Laborer | North Dakota |
| 7 | Leo R. Migler | 28 | Head | Farm Laborer | North Dakota |
| 8 | Bernice G. Migler | 26 | Wife | — | Canada English |
| 9 | Niles F. Neuhime | 29 | Brother | Farm Laborer | North Dakota |
| 10 | Sigval Nelson | 49 | Head | Farmer | North Dakota |
| 11 | Ella Nelson | 40 | Wife | — | North Dakota |
| 12 | Irene V. Nelson | 17 | Daughter | — | North Dakota |
| 13 | Norma H. Nelson | 15 | Daughter | — | North Dakota |
| 14 | Kenneth W. Nelson | 11 | Son | — | North Dakota |
| 15 | Aris V. Nelson | 10 | Daughter | — | North Dakota |
| 16 | Clarence P. Anderson | 45 | Head | Farmer | North Dakota |
| 17 | Hannah Anderson | 83 | Mother | — | Norway |
| 18 | Howard Vermedal | 47 | Head | Farmer | North Dakota |
| 19 | Minnie Vermedal | 44 | Sister | — | North Dakota |
| 20 | Carrie Rosenberger | 36 | Housekeeper | Housekeeper | North Dakota |
| 21 | Myron E. Morn | 18 | Hired hand | Farm Laborer | North Dakota |
| 22 | Clarence Vermedal | 46 | Head | Farmer | North Dakota |
| 23 | Margaret I. Vermedal | 18 | Wife | — | North Dakota |
| 24 | Arthur T. Bruech | 50 | Head | Farmer | Minnesota |
| 25 | Anna C. Bruech | 46 | Wife | — | North Dakota |
| 26 | Irene M. Bruech | 21 | Daughter | Servant | North Dakota |
| 27 | Elmer H. Bruech | 19 | Son | Farm Laborer | North Dakota |
| 28 | John A. Bruech | 17 | Son | Farm Laborer | North Dakota |
| 29 | Betty J. Bruech | 16 | Daughter | — | North Dakota |
| 30 | Dorothy E. Bruech | 14 | Daughter | — | North Dakota |
| 31 | M. Ruth Bruech | 10 | Daughter | — | North Dakota |
| 32 | Linda C. Bruech | 4 | Daughter | — | North Dakota |
| 33 | Della Strand | 29 | Lodger | School Teacher | North Dakota |
| 34 | Arthur S. Larson THIS PERSON | 52 | Head | Farmer | North Dakota |
| 35 | Mary H. Larson | 58 | Wife | — | Ohio |
| 36 | Hazel M. Larson | 19 | Daughter | — | North Dakota |
| 37 | Ole K. Rongslie | 49 | Head | Farmer | North Dakota |
| 38 | Viola R. Rongslie | 41 | Wife | — | North Dakota |
| 39 | Eilleen J. Rongslie | 18 | Daughter | — | North Dakota |
| 40 | Vernon O. Rongslie | 13 | Son | — | North Dakota |
Related Census Records
Pedigree Summary
Arthur
Gen 1 · 2 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)