AL
Andrew Larson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pembina-County, North Dakota
Our Model Tree links this Andrew Larson across the 1920, 1930 and 1940 US Censuses in Pembina-County, North Dakota (XGBoost, ~Confirmed), with identified parents Andrew & Andrew — first a head (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pembina-County, North Dakota |
| Surname | Larson |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | St. Thomas |
| 1935 Residence (County) | Pembina |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farmer |
| Township / Ward | St Thomas |
| Est. Birth Year | ~1901 |
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 Andrew | Age | Birth yr |
|---|---|---|---|---|
| Alda Larson | Spouse | — | 35 | ~1905 |
| Hans Davidson | Other | — | 29 | ~1911 |
| Andrew Larson | Head | — | 39 | ~1901 |
| Allan Larson | Son | — | 10 | ~1930 |
| Warren Larson | Son | — | 6 | ~1934 |
| James Larson | Son | — | 9 | ~1931 |
Census Appearances
1920
Pembina, North …
Son, age 19
Pembina, North Dakota · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Andrew |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farm laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Pembina, North …
Son, age 27
Pembina, North Dakota · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Andrew Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Pembina-County, North …
Head, age 39
Pembina-County, North Dakota · implied b. ~1901 — 6 household members
| Surname | Larson |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | St. Thomas |
| 1935 Residence (County) | Pembina |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| 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 Andrew Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Larson (~0.92 confidence) and father Andrew Larson (~0.92 confidence) and mother Hilma Larson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Larson
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Andrew Larson
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Hilma Larson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Larson
Head · 1940 · age 39 · b. ~1901 · 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 — Pembina-County, North Dakota
Open full size
1940 US Federal Census — Pembina-County, North Dakota
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03009-00439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Larson THIS PERSON | 39 | Head | Farmer | North Dakota |
| 2 | Alda Larson | 35 | Wife | — | North Dakota |
| 3 | Allan Larson | 10 | Son | — | North Dakota |
| 4 | James Larson | 9 | Son | — | North Dakota |
| 5 | Warren Larson | 6 | Son | — | North Dakota |
| 6 | Hans Davidson | 29 | Hired hand | Laborer | Norway |
| 7 | Harrison Livingood | 47 | Head | Farmer | North Dakota |
| 8 | Beatrice Livingood | 45 | Wife | — | Canada Eng |
| 9 | Lloyd Livingood | 22 | Son | Laborer | North Dakota |
| 10 | James C. Livingood | 21 | Son | Laborer | North Dakota |
| 11 | Lowell Livingood | 19 | Son | Laborer | North Dakota |
| 12 | Regina Livingood | 17 | Daughter | — | North Dakota |
| 13 | Joy L. Livingood | 16 | Daughter | — | North Dakota |
| 14 | Patricia Livingood | 6 | Daughter | — | North Dakota |
| 15 | Alexander Fraser | 60 | Head | Farmer | Scotland |
| 16 | Elizabeth Fraser | 57 | Wife | — | North Dakota |
| 17 | Eleanor Fraser | 19 | Daughter | — | North Dakota |
| 18 | Ethel Fraser | 17 | Daughter | Housekeeper | North Dakota |
| 19 | Peter Lundy | 34 | Head | Farmer | North Dakota |
| 20 | Edwin Lundy | 39 | Brother | Farmer | North Dakota |
| 21 | Martha A. Lundy | 80 | Mother | — | Norway |
| 22 | Preston Smith | 50 | Head | Farmer | North Dakota |
| 23 | Lena Smith | 51 | Wife | — | North Dakota |
| 24 | Allan Borgerson | 30 | Hired hand | Laborer | Minnesota |
| 25 | Gordon Smith | 52 | Head | Farmer | North Dakota |
| 26 | Dorothy Smith | 33 | Wife | — | North Dakota |
| 27 | Dorothy Jean Smith | 9 | Daughter | — | North Dakota |
| 28 | Ralph Smith | 7 | Son | — | North Dakota |
| 29 | Milo Smith | 6 | Son | — | North Dakota |
| 30 | Beverly Smith | 5 | Daughter | — | North Dakota |
| 31 | Harvey Smith | 3 | Son | — | North Dakota |
| 32 | Bennett Olson | 32 | Hired hand | Laborer | Minnesota |
| 33 | Mike Velazquez | 40 | Head | Laborer | Mexico |
| 34 | Esther Velazquez | 25 | Wife | — | Texas |
| 35 | Eva Velazquez | 5 | Daughter | — | Texas |
| 36 | Mike Velazquez | 3 | Son | — | North Dakota |
| 37 | Mary Ruth Velazquez | 2 | Daughter | — | North Dakota |
| 38 | Thomas Rodger Mendoza | 40 | Son | Laborer | Mexico |
Pedigree Summary
Andrew
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)