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Ada Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bureau-County, Illinois
Our Model Tree links this Ada Johnson across the 1930 and 1940 US Censuses in Bureau-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bureau-County, Illinois |
| Surname | Johnson |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Malden Village |
| 1935 Residence (County) | Bureau |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Malden Village |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ada | Age | Birth yr |
|---|---|---|---|---|
| Irene Johnson | Daughter | — | 23 | ~1917 |
| Ada Johnson | Daughter | — | 14 | ~1926 |
| Lucille Johnson | Daughter | — | 28 | ~1912 |
| Helen Johnson | Daughter | — | 19 | ~1921 |
| Alfred Johnson | Head | — | 57 | ~1883 |
| Warren Johnson | Son | — | 16 | ~1924 |
| Harold Johnson | Son | — | 27 | ~1913 |
| Mabel Johnson | Spouse | — | 54 | ~1886 |
Census Appearances
1930
Bureau, Illinois
Daughter, age 4
Bureau, Illinois · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Bureau-County, Illinois
Daughter, age 14
Bureau-County, Illinois · implied b. ~1926 — 8 household members
| Surname | Johnson |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Malden Village |
| 1935 Residence (County) | Bureau |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Ada Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Johnson
Daughter · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Irene Johnson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Johnson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Johnson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Johnson
Sibling · 1940 · age 16
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 — Bureau-County, Illinois
Open full size
1940 US Federal Census — Bureau-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00762-00060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Iva Dennison | 59 | Wife | — | Missouri |
| 2 | Chester Jr Dennison | 15 | Son | — | Illinois |
| 3 | Esther D Gustafson | 40 | Head | — | Illinois |
| 4 | Howard Gustafson | 13 | Son | — | Illinois |
| 5 | Lowell Gustafson | 10 | Son | — | Illinois |
| 6 | Verla Gustafson | 8 | Daughter | — | Illinois |
| 7 | Joyce Gustafson | 4 | Daughter | — | Illinois |
| 8 | Alfred Englund | 73 | Father | — | Sweden |
| 9 | George Lybak | 33 | Head | Carpenter | Pennsylvania |
| 10 | Marie Lybak | 27 | Wife | — | Illinois |
| 11 | Helen Lybak | 3 | Daughter | — | Illinois |
| 12 | Charles Lybak | 1 | Son | — | Illinois |
| 13 | Leslie Strouss | 8 | Stepson | — | Illinois |
| 14 | William F. Adams | 61 | Head | Janitor | Nebraska |
| 15 | Jessie Adams | 58 | Wife | — | Illinois |
| 16 | Luella Park | 65 | Head | — | Illinois |
| 17 | Harry Park | 64 | Brother | Truck Driver | Illinois |
| 18 | William Jones | 61 | Head | Blacksmith | Wisconsin |
| 19 | Eva Jones | 57 | Wife | — | Illinois |
| 20 | Alfred A. Johnson | 57 | Head | Proprietor | Illinois |
| 21 | Mabel Johnson | 54 | Wife | Saleslady | Illinois |
| 22 | Lucille Johnson | 28 | Daughter | Bookkeeper | Illinois |
| 23 | Harold Johnson | 27 | Son | Produce Buyer | Illinois |
| 24 | Irene Johnson | 23 | Daughter | — | Louisiana |
| 25 | Helen Johnson | 19 | Daughter | — | Texas |
| 26 | Warren Johnson | 16 | Son | — | Illinois |
| 27 | Ada Johnson THIS PERSON | 14 | Daughter | — | Louisiana |
| 28 | Thomas Girtin | 37 | Head | Laborer | Kentucky |
| 29 | Margaret Girtin | 32 | Wife | — | Kentucky |
| 30 | Alma Girtin | 12 | Daughter | — | Illinois |
| 31 | Damian Girtin | 4 | Son | — | Missouri |
| 32 | Shirley Floyd | 14 | Filial | Laborer | Kentucky |
| 33 | Nelson Curley | 55 | Head | Laborer | Kansas |
| 34 | Ethel Curley | 28 | Wife | — | Illinois |
| 35 | Carol Curley | 5 | Daughter | — | Illinois |
| 36 | William E. Wilson | 53 | Head | Truck Driver | Illinois |
| 37 | Edith Wilson | 49 | Wife | — | Kansas |
| 38 | Gladys Wilson | 29 | Daughter | Teacher | Illinois |
| 39 | William C. Ott | 37 | Head | Teacher | Illinois |
| 40 | Evelyn Ott | 37 | Wife | — | Illinois |
Related Census Records
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)