MJ
Mabel Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worth-County, Iowa
Our Model Tree links this Mabel Johnson across the 1920, 1930 and 1940 US Censuses in Worth-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worth-County, Iowa |
| Surname | Johnson |
| Given Name | Mabel A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hartland Township |
| 1935 Residence (County) | Worth |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Hartland Township |
| Est. Birth Year | ~1895 |
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 Mabel | Age | Birth yr |
|---|---|---|---|---|
| Mardell Johnson | Daughter | — | 12 | ~1928 |
| Blanch Johnson | Daughter | — | 16 | ~1924 |
| Fern Johnson | Daughter | — | 11 | ~1929 |
| Thomas Johnson | Head | — | 45 | ~1895 |
| Wallace Johnson | Son | — | 18 | ~1922 |
| Mabel Johnson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Worth, Iowa
Spouse, age 24
Worth, Iowa · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mabel S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Worth, Iowa
Spouse, age 35
Worth, Iowa · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Worth-County, Iowa
Spouse, age 45
Worth-County, Iowa · implied b. ~1895 — 6 household members
| Surname | Johnson |
| Given Name | Mabel A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hartland Township |
| 1935 Residence (County) | Worth |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Mabel Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mabel Johnson
Spouse · 1940 · age 45 · b. ~1895 · 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 — 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-t0627-01217-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Glen Hambly | 38 | Head | Farmer | Minnesota |
| 2 | Thomas A. Johnson | 45 | Head | Farmer | Minnesota |
| 3 | Mabel A. Johnson THIS PERSON | 45 | Wife | — | Iowa |
| 4 | Wallace E. Johnson | 18 | Son | Laborer | Iowa |
| 5 | Blanch I. Johnson | 16 | Daughter | — | Iowa |
| 6 | Mardell T. Johnson | 12 | Daughter | — | Iowa |
| 7 | Fern M. Johnson | 11 | Daughter | — | Iowa |
| 8 | Andrew N. Lund | 74 | Head | — | Norway |
| 9 | Oscar W. Lund | 32 | Son | Farmer | Iowa |
| 10 | Knute H. Wylie | 60 | Head | Farmer | Iowa |
| 11 | Rena Mellem | 68 | Sister | Laborer | Iowa |
| 12 | Harris Hilman | 17 | Hired Hand | Laborer | Iowa |
| 13 | Owen C. Christianson | 46 | Head | Farmer | Iowa |
| 14 | Bertina Christianson | 47 | Wife | — | Iowa |
| 15 | Tillman K. Christianson | 18 | Son | Laborer | Iowa |
| 16 | Palmer Flatness | 42 | Head | Farmer | Iowa |
| 17 | Hattie Flatness | 43 | Wife | — | Iowa |
| 18 | Morris H. Flatness | 18 | Son | Laborer | Iowa |
| 19 | Arlene H. Flatness | 16 | Daughter | Laborer | Iowa |
| 20 | Glenn R. Flatness | 10 | Son | — | Iowa |
| 21 | Kenneth E. Flatness | 8 | Son | — | Iowa |
| 22 | Doris Ann Flatness | 5 | Daughter | — | Iowa |
| 23 | Helmer O. Larson | 43 | Head | Farmer | Minnesota |
| 24 | Minnie J. Larson | 43 | Wife | — | Iowa |
| 25 | Lloyd R. Larson | 20 | Son | Laborer | Iowa |
| 26 | Martin J. Spilde | 52 | Head | Farmer | Iowa |
| 27 | Betsy Spilde | 52 | Wife | — | Minnesota |
| 28 | Julius N. Spilde | 24 | Son | Repair Man | Iowa |
| 29 | Nina C. Spilde | 15 | Daughter | Clerk | Iowa |
| 30 | Tollef Christianson | 75 | Head | — | Norway |
| 31 | Mary Christianson | 72 | Wife | — | Norway |
| 32 | Hilla C. Skrilow | 67 | Head | — | Iowa |
| 33 | Gilbert Skrilow | 45 | Son | Farmer | Iowa |
| 34 | Carl E. Skrilow | 39 | Son | Farmer | Iowa |
| 35 | Chris Nelson | 38 | Head | Farmer | Minnesota |
| 36 | Bertha Nelson | 24 | Wife | — | Minnesota |
| 37 | Clarence Tue | 52 | Head | Farmer | Iowa |
| 38 | Sena Tue | 34 | Wife | — | Iowa |
| 39 | Henry Tue | 48 | Brother | Laborer | Iowa |
| 40 | Ernest S. B. Roppe | 37 | 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)