LJ
Lilly Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Lilly Johnson across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1904), then head of a 9-person household.
Age 26
b. ~1904
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Lilly M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lilly | Age | Birth yr |
|---|---|---|---|---|
| John Johnson | Head | — | 64 | ~1866 |
| Howard Johnson | Son | — | 19 | ~1911 |
| David Johnson | Son | — | 15 | ~1915 |
| Ida Johnson | Spouse | — | 53 | ~1877 |
| Earl Johnson | Son | — | 13 | ~1917 |
| Harold Johnson | Son | — | 19 | ~1911 |
| Lilly Johnson | Daughter | — | 26 | ~1904 |
| John Johnson | Son | — | 24 | ~1906 |
| Carl Johnson | Son | — | 21 | ~1909 |
Census Appearances
1920
Cook, Illinois
Daughter, age 15
Cook, Illinois · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lilly F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 26
Cook, Illinois · implied b. ~1904 — 9 household members
| Surname | Johnson |
| Given Name | Lilly M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| 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 Lilly Johnson across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Lilly Johnson
Daughter · 1930 · age 26 · b. ~1904 · Illinois
★ You are viewing this record
Sibling
Harold Johnson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Johnson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Johnson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Johnson
Sibling · 1930 · age 19
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel494:0753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alice M. Bingland | 50 | Wife | — | Illinois |
| 52 | Harry C. Taylor | 48 | Bro in law | Repairer | Illinois |
| 53 | Emil C. Behrends | 38 | Head | Meat | Illinois |
| 54 | Ella M. Behrends | 37 | Wife | — | Illinois |
| 55 | Laverne L. Behrends | 3 | Daughter | — | Illinois |
| 56 | Mary Roth | 67 | Head | — | Illinois |
| 57 | George A. Nelson | 42 | Head | Cashier | Indiana |
| 58 | Hulda M. Nelson | 38 | Wife | — | Indiana |
| 59 | Margaret H. Nelson | 16 | Daughter | — | California |
| 60 | Muriel E. Nelson | 11 | Daughter | — | Illinois |
| 61 | Chas. R. Nelson | 9 | Son | — | Oklahoma |
| 62 | Hallie Larimore | 55 | Mother in law | — | Indiana |
| 63 | Johanna Benzo | 56 | Head | — | Illinois |
| 64 | Fred Cronin | 50 | Head | Foreman | Irish Free State |
| 65 | Anna Cronin | 49 | Wife | — | Irish Free State |
| 66 | Fred Cronin | 26 | Son | Brakeman | Illinois |
| 67 | Clarence Cronin | 19 | Son | Electrician | Illinois |
| 68 | Lawrence Cronin | 16 | Son | — | Illinois |
| 69 | Lavin Cronin | 22 | Daughter | Stenographer | Illinois |
| 70 | Axel Westerlind | 65 | Head | — | Sweden |
| 71 | Elin Westerlind | 65 | Wife | — | Sweden |
| 72 | Roy R. Westerlind | 33 | Son | Clerk | Illinois |
| 73 | John W. Westerlind | 28 | Daughter | Operator | Ohio |
| 74 | Lincoln Thor Westerlind | 26 | Son | Clerk | Ohio |
| 75 | Elin V. Westerlind | 19 | Daughter | — | Illinois |
| 76 | Chas. E. Erickson | 73 | Head | — | Sweden |
| 77 | Augusta Erickson | 74 | Wife | — | Sweden |
| 78 | Wm. Cald | 33 | Head | Estimator | Illinois |
| 79 | Winnie Cald | 30 | Wife | — | Illinois |
| 80 | Jeanne Cald | 5 | Daughter | — | Illinois |
| 81 | Dorothy Cald | 3 | Daughter | — | Illinois |
| 82 | Charles T. Cald | 1 | Son | — | Illinois |
| 83 | John A. Johnson | 64 | Head | Cabinet Maker | Sweden |
| 84 | Ida E. Johnson | 53 | Wife | — | Sweden |
| 85 | Lilly M. Johnson THIS PERSON | 26 | Daughter | — | Illinois |
| 86 | John Albert Johnson | 24 | Son | Cabinet Maker | Illinois |
| 87 | Carl H. Johnson | 21 | Son | — | Illinois |
| 88 | Harold J. Johnson | 19 | Son | Electrician | Illinois |
| 89 | Howard W. Johnson | 19 | Son | Draftsman | Illinois |
| 90 | David E. Johnson | 15 | Son | — | Illinois |
| 91 | Earl G. Johnson | 13 | Son | — | Illinois |
| 92 | Mary Theiler | 67 | Head | — | Switzerland |
| 93 | Jane Theiler | 46 | Daughter | Nurse | Switzerland |
| 94 | Julia Theiler | 40 | Daughter | Clerk | Illinois |
| 95 | Rose Theiler | 36 | Daughter | Nurse | Michigan |
| 96 | Edward J. Donahoe | 68 | Head | Agent | New York |
| 97 | Letitia Donahoe | 48 | Wife | — | Kentucky |
| 98 | Ruth E. Donahoe | 21 | Daughter | Stenographer | Illinois |
| 99 | Florence Donahoe | 19 | Daughter | — | Illinois |
| 100 | Gustave Westelius | 67 | Head | — | Sweden |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)