FJ
Fred Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worth-County, Iowa
Our Model Tree links this Fred Johnson across the 1920, 1930 and 1940 US Censuses in Worth-County, Iowa (XGBoost, ~Confirmed), with identified parents Frederick & Fanny — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worth-County, Iowa |
| Surname | Johnson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Hanlontown |
| 1935 Residence (County) | Worth |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Peet Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 470 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Truck Driver |
| Township / Ward | Hanlontown |
| Est. Birth Year | ~1904 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Mary Johnson | Daughter | — | 9 | ~1931 |
| Fred Johnson | Head | — | 36 | ~1904 |
| Fanny Johnson | Other | — | 59 | ~1881 |
| Thomas Johnson | Son | — | 10 | ~1930 |
Census Appearances
1920
Worth, Iowa
Son, age 16
Worth, Iowa · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Freddie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1908 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Cerro Gordo, …
Head, age 26
Cerro Gordo, Iowa · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Worth-County, Iowa
Head, age 36
Worth-County, Iowa · implied b. ~1904 — 4 household members
| Surname | Johnson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Hanlontown |
| 1935 Residence (County) | Worth |
| Naturalization Status | Naturalized |
| Occupation | Truck Driver |
| Industry | Peet Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 470 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Fred Johnson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Frederick Johnson (~0.92 confidence) and mother Fanny Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frederick Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Fanny Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Johnson
Head · 1940 · age 36 · b. ~1904 · 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-t0627-01217-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Selmer M Nolte | 41 | Head | Janitor | Iowa |
| 2 | Marcella A Nolte | 27 | Wife | — | Iowa |
| 3 | Joan Nolte | 5 | Daughter | — | Iowa |
| 4 | Wilbur Nagel | 46 | Head | Proprietor | Iowa |
| 5 | Zena Nagel | 39 | Wife | — | Iowa |
| 6 | Edmund Thomas | 44 | Head | Agent | Illinois |
| 7 | Helena Thomas | 41 | Wife | — | Iowa |
| 8 | Lorraine Thomas | 16 | Daughter | — | Iowa |
| 9 | Joan Thomas | 12 | Daughter | — | Iowa |
| 10 | Lloyd Thomas | 7 | Son | — | Minnesota |
| 11 | Bessie B Ford | 62 | Head | — | Iowa |
| 12 | Irvin J Ford | 43 | Brother | Laborer | Iowa |
| 13 | Mons C Munson | 81 | Head | — | Norway |
| 14 | Carrie Munson | 73 | Sister | — | Norway |
| 15 | Verne Phillips | 38 | Head | Mechanic | Iowa |
| 16 | Nellie Phillips | 38 | Wife | — | Virginia |
| 17 | Douglas Phillips | 12 | Son | — | California |
| 18 | Maisie Phillips | 7 | Daughter | — | California |
| 19 | Fred Johnson THIS PERSON | 36 | Head | Truck Driver | England |
| 20 | Thomas Johnson | 10 | Son | — | Illinois |
| 21 | Mary M Johnson | 9 | Daughter | — | Iowa |
| 22 | Fanny Johnson | 59 | Mother | — | England |
| 23 | Milo Smeby | 31 | Head | — | Iowa |
| 24 | Ocella Smeby | 9 | Daughter | — | Iowa |
| 25 | Eileen Smeby | 6 | Daughter | — | Iowa |
| 26 | June Smeby | 3 | Daughter | — | Iowa |
| 27 | Joan Smeby | 2 | Daughter | — | Iowa |
| 28 | Henry Brunsvold | 62 | Head | — | Iowa |
| 29 | Sophie Brunsvold | 49 | Wife | — | Iowa |
| 30 | Dorothy Brunsvold | 17 | Daughter | — | Iowa |
| 31 | Sivert Brunsvold | 70 | Brother | — | Norway |
| 32 | Bertha Brunsvold | 71 | Mother | — | Iowa |
| 33 | Jerome Jacobson | 27 | Head | Proprietor | Minnesota |
| 34 | Hazel Jacobson | 31 | Wife | — | North Dakota |
| 35 | Fatima Jacobson | 1 | Daughter | — | Iowa |
| 36 | Carol Meisner | 25 | Sister | Saleslady | Minnesota |
| 37 | Jean Meisner | 5 | Niece | — | Minnesota |
| 38 | Fred Field | 44 | Head | Truck Driver | Iowa |
| 39 | Esther Field | 37 | Wife | — | Iowa |
| 40 | Harold Field | 18 | Son | — | Iowa |
Pedigree Summary
Fred
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)