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William Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this William Larson across the 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Larson |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Little Sioux twp. |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 128 |
| Highest Grade | 8 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Little Sioux Twp |
| Est. Birth Year | ~1903 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Arlis Larson | Son | — | 10 | ~1930 |
| Lila Larson | Daughter | — | 9 | ~1931 |
| Carol Larson | Daughter | — | 4 | ~1936 |
| Hazel Larson | Spouse | — | 32 | ~1908 |
| William Larson | Head | — | 37 | ~1903 |
| Beverly Larson | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Woodbury, Iowa
Head, age 27
Woodbury, Iowa · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Head, age 37
Woodbury-County, Iowa · implied b. ~1903 — 6 household members
| Surname | Larson |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Little Sioux twp. |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 128 |
| Highest Grade | 8 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 William Larson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Larson
Head · 1940 · age 37 · b. ~1903 · Iowa
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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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01214-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donna M. Martin | 1 | Daughter | — | — |
| 2 | Arthur E. Larson | 48 | Head | Farmer | Iowa |
| 3 | Edith Larson | 43 | Wife | Farm Laborer | Iowa |
| 4 | Raymond Larson | 18 | Son | Farm Laborer | Iowa |
| 5 | Evelyn Larson | 12 | Daughter | — | Iowa |
| 6 | Fred E. Blankenhorn | 54 | Head | Farmer | Iowa |
| 7 | Kelly Blankenhorn | 52 | Wife | — | Iowa |
| 8 | William J. Larson THIS PERSON | 37 | Head | Farmer | Iowa |
| 9 | Hazel E. Larson | 32 | Wife | Farm Laborer | Kansas |
| 10 | Beverly A. Larson | 13 | Daughter | — | Iowa |
| 11 | Arlis W. Larson | 10 | Son | — | Iowa |
| 12 | Lila M. Larson | 9 | Daughter | — | Iowa |
| 13 | Carol M. Larson | 4 | Daughter | — | Iowa |
| 14 | Clifford F. Moss | 42 | Head | Farmer | Missouri |
| 15 | Myrtle M. Moss | 44 | Wife | Farm Laborer | Iowa |
| 16 | Inez M. Moss | 18 | Daughter | — | Iowa |
| 17 | Jeanette J. Moss | 15 | Daughter | — | Iowa |
| 18 | Robinette Moss | 12 | Daughter | — | Iowa |
| 19 | Sam J. Moss | 11 | Son | — | Iowa |
| 20 | Joe B. Moss | 10 | Son | — | Iowa |
| 21 | Joan A. Moss | 5 | Daughter | — | Iowa |
| 22 | Darius W. Coon | 58 | Head | Farmer | Iowa |
| 23 | Lillie M. Coon | 58 | Wife | Farm Laborer | Iowa |
| 24 | Ernest J. Coon | 26 | Son | Farm Laborer | Iowa |
| 25 | Wesley J. Hennings | 13 | Grandson | — | Iowa |
| 26 | Ronald J. Hennings | 10 | Grandson | — | Iowa |
| 27 | Walter R. Daniels | 55 | Head | Farmer | Iowa |
| 28 | Mabel E. Daniels | 48 | Wife | — | Iowa |
| 29 | Paul Daniels | 23 | Son | Farm Laborer | Iowa |
| 30 | Kenneth Daniels | 17 | Son | Farm Laborer | Iowa |
| 31 | Jack Daniels | 15 | Son | Farm Laborer | Iowa |
| 32 | Jean Daniels | 12 | Daughter | — | Iowa |
| 33 | Phyllis Daniels | 10 | Daughter | — | Iowa |
| 34 | Billie Daniels | 7 | Son | — | Iowa |
| 35 | Raymond C. Worrell | 47 | Head | Farmer | Iowa |
| 36 | Abbie L. Worrell | 44 | Wife | — | South Dakota |
| 37 | Arthur R. Worrell | 19 | Son | Laborer | Iowa |
| 38 | Paul F. Worrell | 18 | Son | Farm Laborer | Iowa |
| 39 | Clifford L. Worrell | 16 | Son | — | Iowa |
| 40 | Margaret E. Worrell | 13 | Daughter | — | Iowa |
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)