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Amelia Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Amelia Johnson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 2-person household.
Age 79
b. ~1861
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Johnson |
| Given Name | Amelia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1861 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Amelia | Age | Birth yr |
|---|---|---|---|---|
| Myrtle Johnson | Daughter | — | 40 | ~1900 |
| Amelia Johnson | Head | — | 79 | ~1861 |
Census Appearances
1900
Polk, Iowa
Spouse, age 40
Polk, Iowa · implied b. ~1860 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Amelia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Sweden |
| Birth Month | Nov |
| Birth Year | 1860 |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
Polk, Iowa
Spouse, age 50
Polk, Iowa · implied b. ~1860 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Amelia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 24 |
| Children Born | 8 |
| Children Living | 6 |
| Year of Immigration | 1882 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Housekeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Polk, Iowa
Spouse, age 59
Polk, Iowa · implied b. ~1861 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Amelia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1884 |
| 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 |
| Birthplace (normalized) | sweden |
1930
Polk, Iowa
Spouse, age 67
Polk, Iowa · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Amelia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 26 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Polk-County, Iowa
Head, age 79
Polk-County, Iowa · implied b. ~1861 — 2 household members
| Surname | Johnson |
| Given Name | Amelia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Amelia Johnson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Amelia Johnson
Head · 1940 · age 79 · b. ~1861 · 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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01197-00212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Amelia Johnson THIS PERSON | 79 | Head | — | Sweden |
| 2 | Myrtle Johnson | 40 | Daughter | Book Keeper | Iowa |
| 3 | Vera M. Brandt | 46 | Head | — | Iowa |
| 4 | Paul N. Arvidson | 57 | Head | Owner | Iowa |
| 5 | Minnie S. Arvidson | 56 | Wife | Clerk | Iowa |
| 6 | Richard S. Arvidson | 23 | Son | Book Keeper | Iowa |
| 7 | Wilbur P. Jones | 31 | Head | Machine Operator | Iowa |
| 8 | Evelyn L. Jones | 28 | Wife | — | Alabama |
| 9 | Joel L. Jones | 10 | Son | — | Iowa |
| 10 | Junior Jones | 8 | Son | — | Iowa |
| 11 | Marlene Jones | 5 | Daughter | — | Iowa |
| 12 | Barbara Jones | 0 | Daughter | — | Iowa |
| 13 | Robert E. Foster | 32 | Head | Floor Man | Iowa |
| 14 | Wilma H. Foster | 33 | Wife | — | Iowa |
| 15 | Roberta M. Foster | 7 | Daughter | — | Iowa |
| 16 | Marilyn R. Foster | 2 | Daughter | — | Iowa |
| 17 | Thomas W. Sr. Foster | 50 | Head | Trip Rider Miner | Iowa |
| 18 | Sarah A. Foster | 50 | Wife | — | Iowa |
| 19 | Thomas W. Jr. Foster | 22 | Son | Electric Welder | Iowa |
| 20 | Mary E. Foster | 20 | Daughter | Seamstress | Iowa |
| 21 | Ivan V. Rieck | 30 | Lodger | Mule Man Miner | Missouri |
| 22 | James J. Hebron | 48 | Head | Paper Cleaner Gardening | Iowa |
| 23 | Elvira T. Hebron | 47 | Wife | Maid | Norway |
| 24 | Elmer W. John | 30 | Head | Roofer | Iowa |
| 25 | Adeline John | 27 | Wife | — | Iowa |
| 26 | Harriet L. John | 9 | Daughter | — | Iowa |
| 27 | Evelyn A. John | 7 | Daughter | — | Iowa |
| 28 | Leana M. John | 6 | Daughter | — | Iowa |
| 29 | Ruth E. John | 4 | Daughter | — | Iowa |
| 30 | Richard D. John | 4 | Son | — | Iowa |
| 31 | Clyde P. John | 1 | Son | — | Iowa |
| 32 | Carol A. John | 0 | Daughter | — | Iowa |
| 33 | Major R. Anderson | 45 | Head | Laborer | Iowa |
| 34 | Julia A. Anderson | 30 | Wife | — | Iowa |
| 35 | Robert Anderson | 7 | Son | — | Iowa |
| 36 | Barbara J. Anderson | 5 | Daughter | — | Iowa |
| 37 | William E. Anderson | 3 | Son | — | Iowa |
| 38 | Charles L. Anderson | 1 | Son | — | Iowa |
| 39 | John Lovig | 50 | Head | Man | Norway |
| 40 | Martha Lovig | 43 | Wife | — | Norway |
Related Census Records
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)