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Shirley Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Shirley Johnson across the 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Johnson |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford city |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Shirley | Age | Birth yr |
|---|---|---|---|---|
| Shirley Johnson | Daughter | — | 11 | ~1929 |
| Carol Johnson | Daughter | — | 2 | ~1938 |
| Axel Johnson | Head | — | 45 | ~1895 |
| Gene Johnson | Son | — | 12 | ~1928 |
| Kent Johnson | Son | — | 5 | ~1935 |
| John Johnson | Son | — | 3 | ~1937 |
| Donald Johnson | Son | — | 8 | ~1932 |
| Earl Johnson | Son | — | 14 | ~1926 |
| Geneva Johnson | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Winnebago, Illinois
Daughter, age
Winnebago, Illinois · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 11
Winnebago-County, Illinois · implied b. ~1929 — 9 household members
| Surname | Johnson |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford city |
| 1935 Residence (County) | Winnebago |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Shirley Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Shirley Johnson
Daughter · 1940 · age 11 · b. ~1929 · Illinois
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Sibling
Gene Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kent Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl 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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00914-00251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wayne Hade | 49 | Head | Inspector | Illinois |
| 2 | Betty Hade | 45 | Wife | — | Illinois |
| 3 | Richard Hade | 20 | Son | Router | Illinois |
| 4 | Maurice Hade | 19 | Son | Laborer | Illinois |
| 5 | Adrian B. Elkins | 58 | Head | Fireman | Missouri |
| 6 | Ella Elkins | 54 | Wife | — | Iowa |
| 7 | Grover Lally | 27 | Son-in-law | Truck Driver | Illinois |
| 8 | Daughter Lally | 26 | Daughter | — | Iowa |
| 9 | Roberta Ann Lally | 1 | Granddaughter | — | Illinois |
| 10 | Charles Brown | 43 | Brother-in-law | Inspector | Iowa |
| 11 | Harry R. Jones | 51 | Head | Salesman | Illinois |
| 12 | Ethel M. Jones | 44 | Wife | — | Illinois |
| 13 | Harry R. Jr. Jones | 27 | Son | Bakelite Molder | Illinois |
| 14 | Wilbert Kent Jones | 9 | Son | — | Illinois |
| 15 | Barbara Sue Jones | 5 | Daughter | — | Illinois |
| 16 | Axel Johnson | 45 | Head | Carpenter | Illinois |
| 17 | Geneva Johnson | 36 | Wife | — | Wisconsin |
| 18 | Earl Johnson | 14 | Son | — | Illinois |
| 19 | Gene Johnson | 12 | Son | — | Illinois |
| 20 | Shirley Johnson THIS PERSON | 11 | Daughter | — | Illinois |
| 21 | Donald Johnson | 8 | Son | — | Illinois |
| 22 | Kent Johnson | 5 | Son | — | Illinois |
| 23 | John Johnson | 3 | Son | — | Illinois |
| 24 | Carol Ann Johnson | 2 | Daughter | — | Illinois |
| 25 | Flock Hereford | None | Head | — | — |
| 26 | Philip C. Lindner | 27 | Head | Clerk | Illinois |
| 27 | Mary Lindner | 26 | Wife | — | Illinois |
| 28 | Stewart Nelson | 22 | Lodger | Experiment Dept | Illinois |
| 29 | Merritt C. Carlson | 37 | Head | Machinist | Sweden |
| 30 | Lennore Carlson | 29 | Wife | — | Illinois |
| 31 | Donald Carlson | 9 | Son | — | Illinois |
| 32 | Robert Carlson | 8 | Son | — | Illinois |
| 33 | Lawrence M. Severson | 37 | Head | Draftsman | Illinois |
| 34 | Maybelle Severson | 35 | Wife | — | Illinois |
| 35 | Claudine Severson | 10 | Daughter | — | Illinois |
| 36 | Ruth Alice Severson | 9 | Daughter | — | Illinois |
| 37 | John L. Severson | 5 | Son | — | Illinois |
| 38 | William Upsall | 32 | Head | Grinder | Wisconsin |
| 39 | Dagmar Upsall | 32 | Wife | — | Wisconsin |
| 40 | Carol Upsall | 9 | Daughter | — | Wisconsin |
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)