GJ
Gilbert Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Gilbert Johnson across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 9-person household.
Age 23
b. ~1907
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Occupation | Stockman |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stockman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1907 |
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 Gilbert | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Johnson | Son | — | 23 | ~1907 |
| Lawrence Field | Other | — | 23 | ~1907 |
| Stanley Johnson | Son | — | 21 | ~1909 |
| Thea Johnson | Other | — | 39 | ~1891 |
| Gerald Johnson | Son | — | 28 | ~1902 |
| Thelma Johnson | Daughter | — | 14 | ~1916 |
| Carl Johnson | Head | — | 58 | ~1872 |
| Melvin Johnson | Son | — | 11 | ~1919 |
| Arnold Johnson | Son | — | 16 | ~1914 |
Census Appearances
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1907 — 9 household members
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Occupation | Stockman |
| Industry | Electric Co. |
| Class of Worker | W |
| 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 Gilbert Johnson across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Gilbert Johnson
Son · 1930 · age 23 · b. ~1907 · Illinois
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Sibling
Thelma Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Johnson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Johnson
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Johnson
Sibling · 1930 · age 21
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:illinoiscensus00reel430:0127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret Mary O'Farrell | 17 | Daughter | — | Illinois |
| 52 | Isabel O'Farrell | 16 | Daughter | — | Illinois |
| 53 | Catherine O'Farrell | 14 | Daughter | — | Illinois |
| 54 | Geraldine O'Farrell | 12 | Daughter | — | Illinois |
| 55 | Blanche O'Farrell | 8 | Daughter | — | Illinois |
| 56 | Thomas O'Farrell | 4 | Son | — | Illinois |
| 57 | William J. Thorson | 52 | Head | Buyer | Illinois |
| 58 | Ellen D. Thorson | 52 | Wife-H | — | Sweden |
| 59 | Donald Thorson | 23 | Son | Clerk Order | Illinois |
| 60 | Marion Thorson | 17 | Daughter | — | Illinois |
| 61 | Gustaf E. Anderson | 49 | Head | Contractor | Sweden |
| 62 | Bertha E. Anderson | 43 | Wife-H | — | Sweden |
| 63 | Juliet Anderson | 16 | Daughter | — | Illinois |
| 64 | Edwin Westagard | 31 | Head | Electrician | Illinois |
| 65 | Helen Westagard | 26 | Wife-H | — | Illinois |
| 66 | Eric Olson | 43 | Head | Wood Machinist | Sweden |
| 67 | Hilda Olson | 39 | Wife-H | — | Illinois |
| 68 | Delbert D. Olson | 17 | Son | — | Wisconsin |
| 69 | Adolph Kindlind | 66 | Head | Blacksmith | Sweden |
| 70 | Nannie Kindlind | 58 | Wife-H | — | Sweden |
| 71 | Gustaf Kindlind | 25 | Son | Stock Keeper | Illinois |
| 72 | Albert Kindlind | 17 | Son | Bench Hand | Illinois |
| 73 | Lillian Kindlind | 26 | Daughter | Laundry Worker | Illinois |
| 74 | Loraine Kindlind | 2 | Daughter | — | Illinois |
| 75 | Otto Smith | 41 | Head | Electrician | Illinois |
| 76 | Marjorie Smith | 40 | Wife-H | — | New York |
| 77 | Robert Smith | 16 | Son | — | Illinois |
| 78 | Raymond Smith | 10 | Son | — | Illinois |
| 79 | Lawrence Smith | 7 | Son | — | Illinois |
| 80 | Carl J. Johnson | 58 | Head | Watchman | Sweden |
| 81 | Thea Johnson | 39 | Wife-H | — | Minnesota |
| 82 | Gerald Johnson | 28 | Son | Tester | Illinois |
| 83 | Gilbert Johnson THIS PERSON | 23 | Son | Stockman | Illinois |
| 84 | Stanley Johnson | 21 | Son | Tester | Illinois |
| 85 | Arnold Johnson | 16 | Son | — | Illinois |
| 86 | Thelma Johnson | 14 | Daughter | — | Illinois |
| 87 | Melvin Johnson | 11 | Son | — | Illinois |
| 88 | Lawrence Field | 23 | Boarder | Cableman | Minnesota |
| 89 | John S. Dempsey | 39 | Head | Treasurer | Maryland |
| 90 | Lyda Dempsey | 33 | Wife-H | — | Illinois |
| 91 | Robert Dempsey | 11 | Son | — | Illinois |
| 92 | George Dempsey | 5 | Son | — | Illinois |
| 93 | Frank S. Sr. Johnson | 43 | Head | Sales Manager | Illinois |
| 94 | Florence M. Johnson | 45 | Wife-H | — | Illinois |
| 95 | Frank S. Jr. Johnson | 17 | Son | — | Illinois |
| 96 | Evelyn Johnson | 14 | Daughter | — | Illinois |
| 97 | Thomas Evans | 46 | Head | Moulder | England |
| 98 | Harriet Evans | 43 | Wife-H | — | Indiana |
| 99 | Evelyn Evans | 22 | Daughter | Bookkeeper | Illinois |
| 100 | Frances Evans | 19 | Daughter | Nurse | Illinois |
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)