BJ
Bernard Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Bernard Johnson across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Compositor |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Compositor |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to Bernard | Age | Birth yr |
|---|---|---|---|---|
| Bertha Johnson | Daughter | — | 12 | ~1918 |
| Elmer Johnson | Son | — | 19 | ~1911 |
| Thelma Johnson | Daughter | — | 10 | ~1920 |
| Elmer Johnson | Head | — | 49 | ~1881 |
| Harry Johnson | Son | — | 23 | ~1907 |
| Bernard Johnson | Son | — | 21 | ~1909 |
| Minnie Johnson | Spouse | — | 45 | ~1885 |
Census Appearances
1920
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1909 — 7 household members
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Compositor |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| 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 Bernard Johnson across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Bernard Johnson
Son · 1930 · age 21 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Elmer Johnson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Johnson
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Johnson
Sibling · 1930 · age 12
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
46 people indexed on this census page (ia:1930:illinoiscensus00reel462:0528)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 3 | Patrick Barrett | 40 | Head | Inspector | Kentucky |
| 4 | Elizabeth Barrett | 39 | Wife | — | Minnesota |
| 5 | Sidney Barrett | 18 | Son | — | Illinois |
| 6 | Marguerite Barrett | 13 | Daughter | — | Illinois |
| 7 | Charles Todaro | 33 | Head | Carpenter | Italy |
| 8 | Margherita Todaro | 24 | Wife | — | Italy |
| 9 | Rose Todaro | 3 | Daughter | — | Illinois |
| 10 | Vincent Todaro | 0 | Son | — | Illinois |
| 11 | Frank Deinto | 18 | Brother | Draftsman | New York |
| 12 | Henry Lana | 20 | Nephew | Bank Typist | Italy |
| 13 | Elmer Johnson | 49 | Head | Painter | Norway |
| 14 | Minnie Johnson | 45 | Wife | — | Norway |
| 15 | Harry Johnson | 23 | Son | Clerk | Illinois |
| 16 | Bernard Johnson THIS PERSON | 21 | Son | Compositor | Illinois |
| 17 | Elmer Johnson | 19 | Son | Stenographer | Illinois |
| 18 | Bertha Johnson | 12 | Daughter | — | Illinois |
| 19 | Thelma Johnson | 10 | Daughter | — | Illinois |
| 20 | John R. Darga | 29 | Head | Mech | Missouri |
| 21 | Helen O. Darga | 34 | Wife | — | Arkansas |
| 22 | Martha Mackey | 44 | Head | Draftsman | Pennsylvania |
| 23 | Agnes M. Ruble | 38 | Sister | — | Illinois |
| 24 | William W. Loftus | 51 | Head | Packer | Wisconsin |
| 25 | Eleanor Loftus | 51 | Wife | — | Michigan |
| 26 | Mildred Loftus | 19 | Daughter | Clerical | Illinois |
| 27 | Curt W. Yanke | 36 | Head | Laborer | Germany |
| 28 | Bertha Yanke | 35 | Wife | — | Hungary |
| 29 | Franklin Torn | 26 | Head | Driver | Indiana |
| 30 | Annette Torn | 26 | Wife | — | Illinois |
| 31 | Kenneth Torn | 2 | Son | — | Illinois |
| 32 | Patricia Torn | 0 | Daughter | — | Illinois |
| 33 | Anthony Piazza | 24 | Head | Salesman | Illinois |
| 34 | Irene Piazza | 24 | Wife | — | Wisconsin |
| 35 | Leonora Piazza | 2 | Daughter | — | Illinois |
| 36 | Louis Schwartz | 32 | Head | Proprietor | Russia |
| 37 | Lillian Schwartz | 24 | Wife | — | Russia |
| 38 | Albert Schwartz | 0 | Daughter | — | Illinois |
| 39 | Killian Davis | 29 | Head | — | Illinois |
| 41 | Michael Solman | 41 | Head | Engineer | Austria |
| 42 | Helen Solman | 35 | Wife | — | New York |
| 43 | Andrew J. Carroll | 42 | Head | Policeman | Pennsylvania |
| 44 | Anna Carroll | 42 | Wife | — | Illinois |
| 45 | Gertrude Carroll | 19 | Daughter | — | Illinois |
| 46 | Jerome Carroll | 15 | Son | — | Illinois |
| 47 | Elmer Carroll | 13 | Son | — | Illinois |
| 48 | Cyro W. Abbott | 62 | Head | Carpenter | Mass |
| 49 | Margaret Abbott | 65 | Wife | — | 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)