HJ
Hannah Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Hannah Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 3-person household.
Age 70
b. ~1870
Female
Spouse
Born: Denmark
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Johnson |
| Given Name | Hannah |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Sioux City City |
| 1935 Residence (County) | Woodbury |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Township / Ward | Sioux City City |
| Est. Birth Year | ~1870 |
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 Hannah | Age | Birth yr |
|---|---|---|---|---|
| Carter Johnson | Head | — | 76 | ~1864 |
| Clarence Johnson | Son | — | 39 | ~1901 |
| Hannah Johnson | Spouse | — | 70 | ~1870 |
Census Appearances
1910
None, None
Spouse, age 40
None, None · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Hannah |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 20 |
| Children Born | 7 |
| Children Living | 6 |
| Year of Immigration | 1872 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Woodbury, Iowa
Spouse, age 49
Woodbury, Iowa · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Hannah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1873 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | denmark |
1930
Woodbury, Iowa
Spouse, age 60
Woodbury, Iowa · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Hannah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1883 |
| Age at First Marriage | 20 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Woodbury-County, Iowa
Spouse, age 70
Woodbury-County, Iowa · implied b. ~1870 — 3 household members
| Surname | Johnson |
| Given Name | Hannah |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Sioux City City |
| 1935 Residence (County) | Woodbury |
| Naturalization Status | Naturalized |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Hannah Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Hannah Johnson
Spouse · 1940 · age 70 · b. ~1870 · Iowa
★ You are viewing this record
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-t0627-01216-00733)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | R. Jean Merrick | 12 | daughter | — | Iowa |
| 42 | Flora Karp | 47 | sister-in-law | Housekeeper | Russia |
| 43 | Floyd Karp | 21 | nephew | Accountant | Iowa |
| 44 | Dorothy M. Karp | 17 | niece | — | Iowa |
| 45 | Frank J. Swanson | 66 | Head | — | Sweden |
| 46 | Hulda C. Swanson | 62 | wife | — | Sweden |
| 47 | Helen N. Swanson | 29 | daughter | Cashier | Iowa |
| 48 | Frances J. Swanson | 27 | daughter | Clerk | Iowa |
| 49 | Edward M. Jacobs | 45 | Head | Bookkeeper | Iowa |
| 50 | Elvira V. Jacobs | 38 | wife | — | Sweden |
| 51 | Edward L. Jacobs | 16 | son | — | Iowa |
| 52 | Carl M. Jacobs | 13 | son | — | Iowa |
| 53 | Lee G. Jacobs | 8 | son | — | Iowa |
| 54 | Roy J. Burke | 31 | Head | Laborer | Minnesota |
| 55 | Stella M. Burke | 28 | wife | — | Iowa |
| 56 | Gerald F. Burke | 10 | son | — | Illinois |
| 57 | Thomas E. Burke | 8 | son | — | Iowa |
| 58 | Joan Z. Burke | 7 | daughter | — | Iowa |
| 59 | Roland L. Burke | 5 | son | — | Iowa |
| 60 | Rosemary S. Burke | 3 | daughter | — | Iowa |
| 61 | Patrick J. Burke | 1 | son | — | Iowa |
| 62 | C. H. Schnell | 63 | Head | — | Iowa |
| 63 | Bessie E. Schnell | 57 | wife | — | Iowa |
| 64 | Carter Johnson | 76 | Head | — | Denmark |
| 65 | Hannah Johnson THIS PERSON | 70 | wife | — | Denmark |
| 66 | Clarence Johnson | 39 | son | Laborer | Nebraska |
| 67 | Robert W. Weldon | 53 | Head | Dental Technician | New York |
| 68 | Clara L. Weldon | 45 | wife | — | Iowa |
| 69 | Marion L. Weldon | 25 | daughter | Switchboard Operator | Iowa |
| 70 | Madeline E. Weldon | 19 | daughter | Office Work | Iowa |
| 71 | Robert W. Jr. Weldon | 16 | son | — | Iowa |
| 72 | Oliver S. Olson | 29 | Head | Truck Driver | Iowa |
| 73 | Geraldine Olson | 29 | wife | — | Iowa |
| 74 | Raymond E. Horn | 29 | Head | Salesman | Iowa |
| 75 | Bernadine Horn | 27 | wife | — | Iowa |
| 76 | Laurabell J. Horn | 10 | daughter | — | Iowa |
| 77 | Karen Kay Horn | 1 | daughter | — | Iowa |
| 78 | Julia Burright | 57 | in law | Ironer | Iowa |
| 79 | Ida M. Rugger | 68 | Head | — | Iowa |
| 80 | Chas. Rugger | 77 | husband | Gardening | Ohio |
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)