LJ
Louisa Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Webster-County, Iowa
Our Model Tree links this Louisa Johnson across the 1920, 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 4-person household.
Age 58
b. ~1882
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Webster-County, Iowa |
| Surname | Johnson |
| Given Name | Louisa |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Lost Grove |
| 1935 Residence (County) | Webster |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Lost Grove |
| Est. Birth Year | ~1882 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louisa | Age | Birth yr |
|---|---|---|---|---|
| Robert Johnson | Son | — | 22 | ~1918 |
| Carl Johnson | Head | — | 62 | ~1878 |
| Louisa Johnson | Spouse | — | 58 | ~1882 |
| Merlin Johnson | Son | — | 19 | ~1921 |
Census Appearances
1920
Webster, Iowa
Spouse, age 38
Webster, Iowa · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1906 |
| Birthplace (normalized) | sweden |
1930
Webster, Iowa
Other, age 48
Webster, Iowa · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 28 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Webster-County, Iowa
Spouse, age 58
Webster-County, Iowa · implied b. ~1882 — 4 household members
| Surname | Johnson |
| Given Name | Louisa |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Lost Grove |
| 1935 Residence (County) | Webster |
| Naturalization Status | Naturalized |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Louisa Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Louisa Johnson
Spouse · 1940 · age 58 · b. ~1882 · 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 — Webster-County, Iowa
Open full size
1940 US Federal Census — Webster-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01212-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W. Lynn | 24 | Son | Farm Laborer | Iowa |
| 42 | Neal W. Lynn | 13 | Son | — | Iowa |
| 43 | Charles Swanson | 64 | Head | Farmer | Sweden |
| 44 | Mary Swanson | 61 | Wife | — | Sweden |
| 45 | Harold Pallesen | 29 | Lodger | Farm Laborer | Iowa |
| 46 | Ben Mccullough | 47 | Head | Farmer | Iowa |
| 47 | Hilda Mccullough | 47 | Wife | — | Iowa |
| 48 | Laura Walsh | 24 | Maid | Maid | Indiana |
| 49 | Leonard Walsh | 24 | Hired man | Farm Laborer | Iowa |
| 50 | Rudy V. Amandus | 34 | Head | Farm Laborer | Iowa |
| 51 | Vera Amandus | 25 | Wife | — | Iowa |
| 52 | Dean Amandus | 5 | Son | — | Iowa |
| 53 | Arthur Frisk | 58 | Head | Farmer | Iowa |
| 54 | Lydia Frisk | 55 | Wife | — | Iowa |
| 55 | Carl A. Anderson | 58 | Head | Farmer | Illinois |
| 56 | Nellie Anderson | 55 | Wife | — | Illinois |
| 57 | Harlan Anderson | 22 | Son | Farm Laborer | Iowa |
| 58 | Carl N. Johnson | 62 | Head | Farmer | Sweden |
| 59 | Louisa Johnson THIS PERSON | 58 | Wife | — | Sweden |
| 60 | Robert Johnson | 22 | Son | Farm Laborer | Iowa |
| 61 | Merlin Johnson | 19 | Son | Farm Laborer | Iowa |
| 62 | Clemens Wade | 43 | Head | Farmer | Iowa |
| 63 | Esther Wade | 40 | Wife | — | Iowa |
| 64 | Arnold Wade | 15 | Son | Farm Laborer | Iowa |
| 65 | Everett Wade | 14 | Son | — | Iowa |
| 66 | Richard Wade | 8 | Son | — | Iowa |
| 67 | Evelyn Wade | 0 | Daughter | — | Iowa |
| 68 | Carl Landgren | 64 | Head | Farmer | Iowa |
| 69 | Edith Landgren | 32 | Daughter | — | Iowa |
| 70 | Conrad Landgren | 31 | Son | Farm Laborer | Iowa |
| 71 | Linnea Landgren | 26 | Daughter | — | Iowa |
| 72 | Walfred Landgren | 36 | Head | Farmer | Iowa |
| 73 | Bernice Landgren | 28 | Wife | — | Iowa |
| 74 | Charles Landgren | 6 | Son | — | Iowa |
| 75 | Roger Landgren | 3 | Son | — | Iowa |
| 76 | Victor Anderson | 50 | Head | Farmer | Iowa |
| 77 | Marie Anderson | 45 | Wife | — | Iowa |
| 78 | Mildred Anderson | 6 | Daughter | — | Iowa |
| 79 | Mary C. Svenson | 82 | Mother-in-law | — | Sweden |
| 80 | Arthur Samuelson | 65 | Head | Farmer | 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)