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Anna Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worth-County, Iowa
Our Model Tree links this Anna Larson across the 1930 and 1940 US Censuses in Worth-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 7-person household.
Age 50
b. ~1890
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worth-County, Iowa |
| Surname | Larson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Bristol Twp |
| 1935 Residence (County) | Worth |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Bristol Twp |
| Est. Birth Year | ~1890 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Isabelle Larson | Daughter | — | 17 | ~1923 |
| Mavis Larson | Daughter | — | 15 | ~1925 |
| Lauritz Larson | Head | — | 49 | ~1891 |
| Wallace Larson | Son | — | 12 | ~1928 |
| Norman Larson | Son | — | 21 | ~1919 |
| Roydon Larson | Son | — | 19 | ~1921 |
| Anna Larson | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Worth, Iowa
Other, age 40
Worth, Iowa · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Anna |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Worth-County, Iowa
Spouse, age 50
Worth-County, Iowa · implied b. ~1890 — 7 household members
| Surname | Larson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Bristol Twp |
| 1935 Residence (County) | Worth |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 Anna Larson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Larson
Spouse · 1940 · age 50 · b. ~1890 · 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 — Worth-County, Iowa
Open full size
1940 US Federal Census — Worth-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01217-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ardis Lindflott | 9 | Daughter | — | Iowa |
| 2 | Cletta Lindflott | 73 | Mother | — | Norway |
| 3 | John Beery | 24 | Hired man | Farm Labour | Iowa |
| 4 | Gilbert Halstad | 52 | Head | Farm Operator | Iowa |
| 5 | Amanda Halstad | 47 | Wife | — | Iowa |
| 6 | Marcella Halstad | 20 | Daughter | — | Iowa |
| 7 | Arla Halstad | 18 | Daughter | — | Iowa |
| 8 | Arnold Halstad | 15 | Son | — | Iowa |
| 9 | Harlan Halstad | 12 | Son | — | Iowa |
| 10 | Lorraine Halstad | 8 | Daughter | — | Iowa |
| 11 | Loretta Halstad | 8 | Daughter | — | Iowa |
| 12 | Claire Wahl | 33 | Head | Farm Operator | Iowa |
| 13 | Nola Wahl | 32 | Wife | — | Iowa |
| 14 | Gloria Wahl | 7 | Daughter | — | Iowa |
| 15 | Gordon Wahl | 3 | Son | — | Iowa |
| 16 | Merle Haugeback | 20 | Hired man | Farm Labour | Iowa |
| 17 | Milo Bassett | 26 | Hired man | Farm Labour | Minnesota |
| 18 | Lauritz Larson | 49 | Head | Farm Operator | Iowa |
| 19 | Anna Larson THIS PERSON | 50 | Wife | — | Iowa |
| 20 | Norman Larson | 21 | Son | Farm Labour | Iowa |
| 21 | Roydon Larson | 19 | Son | Farm Labour | Iowa |
| 22 | Isabelle Larson | 17 | Daughter | — | Iowa |
| 23 | Mavis Larson | 15 | Daughter | — | Iowa |
| 24 | Wallace Larson | 12 | Son | — | Iowa |
| 25 | Morris Arneson | 50 | Head | Farm Operator | Iowa |
| 26 | Clara Arneson | 48 | Wife | — | Iowa |
| 27 | Merle Riley | 23 | Lodger | School Teacher | Iowa |
| 28 | Leonard Teigen | 27 | Head | Farm Labour | Iowa |
| 29 | Cora Teigen | 25 | Wife | — | Iowa |
| 30 | Beverly Teigen | 1 | Daughter | — | Iowa |
| 31 | Emlet Harmon | 27 | Head | Farm Labour | Iowa |
| 32 | Pauline Harmon | 24 | Wife | — | Iowa |
| 33 | Donald Harmon | 6 | Son | — | Iowa |
| 34 | Richard Harmon | 5 | Son | — | Iowa |
| 35 | David Harmon | 3 | Son | — | Iowa |
| 36 | Dean Harmon | 2 | Son | — | Iowa |
| 37 | Darwin Harmon | 0 | Son | — | Iowa |
| 38 | Knut Savre | 50 | Head | Farm Operator | Iowa |
| 39 | T. J. Savre | 80 | Father | — | Norway |
| 40 | Clara Paulson | 48 | Housekeeper | House Keeper | 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)