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Louis Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Leelanau-County, Michigan
Our Model Tree links this Louis Larson across the 1920, 1930 and 1940 US Censuses in Leelanau-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 3-person household.
Age 63
b. ~1877
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Leelanau-County, Michigan |
| Surname | Larson |
| Given Name | Louis O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Centerville Township |
| 1935 Residence (County) | Leelanau |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farmer |
| Township / Ward | Centerville Township |
| Est. Birth Year | ~1877 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Louis Larson | Head | — | 63 | ~1877 |
| Matilda Larson | Daughter | — | 21 | ~1919 |
| Matilda Larson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Leelanau, Michigan
Head, age 44
Leelanau, Michigan · implied b. ~1876 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Leelanau, Michigan
Head, age 54
Leelanau, Michigan · implied b. ~1876 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 42 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Leelanau-County, Michigan
Head, age 63
Leelanau-County, Michigan · implied b. ~1877 — 3 household members
| Surname | Larson |
| Given Name | Louis O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Centerville Township |
| 1935 Residence (County) | Leelanau |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Louis Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Louis Larson
Head · 1940 · age 63 · b. ~1877 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Leelanau-County, Michigan
Open full size
1940 US Federal Census — Leelanau-County, Michigan
Page Contents
12 people indexed on this census page (nara:1940:m-t0627-01778-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leonard Popa | 14 | Son | — | Michigan |
| 2 | Jerome Popa | 12 | Son | — | Michigan |
| 3 | Theresa Popa | 10 | Daughter | — | Michigan |
| 4 | Rosemary Popa | 9 | Daughter | — | Michigan |
| 5 | Alice Popa | 7 | Daughter | — | Michigan |
| 6 | Thomas Popa | 6 | Son | — | Michigan |
| 7 | Theodore Popa | 4 | Son | — | Michigan |
| 8 | Catherine Popa | 2 | Daughter | — | Michigan |
| 9 | Henry O. Schultz | 69 | Head | Farmer | Michigan |
| 10 | Louis O. Larson THIS PERSON | 63 | Head | Farmer | Michigan |
| 11 | Matilda E. Larson | 57 | Wife | — | Minnesota |
| 12 | Matilda C. Larson | 21 | Daughter | — | Michigan |
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)