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Jean Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Jean Johnson across the 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Johnson |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jean | Age | Birth yr |
|---|---|---|---|---|
| Elma Johnson | Daughter | — | 19 | ~1921 |
| Thressa Johnson | Spouse | — | 36 | ~1904 |
| Jean Johnson | Daughter | — | 11 | ~1929 |
| Maxine Johnson | Daughter | — | 14 | ~1926 |
| Arleen Johnson | Daughter | — | 18 | ~1922 |
| Herbert Johnson | Head | — | 44 | ~1896 |
| Dean Johnson | Son | — | 11 | ~1929 |
Census Appearances
1930
Salt Lake, …
Other, age 2
Salt Lake, Utah · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jean E. |
| Relationship to Head | Grand-dau |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 11
Salt-Lake-County, Utah · implied b. ~1929 — 7 household members
| Surname | Johnson |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Jean Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jean Johnson
Daughter · 1940 · age 11 · b. ~1929 · Utah
★ You are viewing this record
Sibling
Dean Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arleen Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elma Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04223-00618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald M Jr Walters | 4 | Son | — | Utah |
| 2 | Richard Lee Walters | 3 | Son | — | Utah |
| 3 | George M Spangler | 60 | Head | Office Clerk | Colorado |
| 4 | Mae J Spangler | 61 | Wife | 0 | Mass |
| 5 | Norman T Zahler | 31 | Head | Export Mileage Clerk | Utah |
| 6 | Esther Zahler | 33 | Wife | 0 | Denmark |
| 7 | Joy Zahler | 14 | Daughter | 0 | Utah |
| 8 | Norma Zahler | 5 | Daughter | — | Utah |
| 9 | Jorgen K Jorgensen | 58 | Father-in-law | 0 | Denmark |
| 10 | Delbert Kondou | 24 | Head | Refrigeration Mechanic | Utah |
| 11 | Barbra Crouch Kondou | 20 | Wife | 0 | Utah |
| 12 | Charles L Morgan | 73 | Head | Machinist | Wales |
| 13 | Geneva F Morgan | 58 | Wife | 0 | Utah |
| 14 | Herbert J Johnson | 44 | Head | Mail Carrier | Utah |
| 15 | Thressa E Johnson | 36 | Wife | 0 | Utah |
| 16 | Elma Johnson | 19 | Daughter | 0 | Utah |
| 17 | Arleen Johnson | 18 | Daughter | 0 | Utah |
| 18 | Maxine Johnson | 14 | Daughter | 0 | Utah |
| 19 | Jean Johnson THIS PERSON | 11 | Daughter | — | Utah |
| 20 | Dean Johnson | 11 | Son | — | Utah |
| 21 | Clifford H Peck | 50 | Head | Plaster-Lather | Kansas |
| 22 | Evalina J Peck | 46 | Wife | 0 | Colorado |
| 23 | P. Bernard Peck | 21 | Son | 0 | Idaho |
| 24 | R. Sanford Peck | 21 | Son | 0 | Idaho |
| 25 | Martha Chapman | 34 | Boarder | Sorter-Wrapper | Iowa |
| 26 | David Chapman | 10 | Boarder | — | Utah |
| 27 | Glenn S Astin | 30 | Head | Salesman Ice-Ice Boxes | Utah |
| 28 | Afton E Astin | 30 | Wife | 0 | Utah |
| 29 | Floyd G Astin | 7 | Son | — | Utah |
| 30 | Darlyne Astin | 4 | Daughter | — | Utah |
| 31 | Marvin E Astin | 1 | Son | — | Utah |
| 32 | Maureen E Astin | 1 | Daughter | — | Utah |
| 33 | Edwin E Brooks | 27 | Head | Laborer | Utah |
| 34 | Margarte C Brooks | 23 | Wife | 0 | Utah |
| 35 | Harry J Brooks | 8 | Son | — | Penn |
| 36 | Edwin E Brooks | 2 | Son | — | Utah |
| 37 | Thomas W Brooks | 1 | Son | — | Utah |
| 38 | Alvin E Ms Jackson | 36 | Head | — | Utah |
| 39 | Joy J Jackson | 9 | Daughter | — | Utah |
| 40 | Abbie Barraclough | 50 | Head | 0 | Utah |
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)