CJ
Carl Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Carl Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Carl & James — first a head (b.~1899), then head of a 3-person household.
Age 31
b. ~1899
Male
Head
Born: Denmark
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Carl E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 28 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Salesman |
| Industry | Book Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Salesman |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1899 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Helen Johnson | Daughter | — | 2 | ~1928 |
| Carl Johnson | Head | — | 31 | ~1899 |
| Anna Johnson | Other | — | 25 | ~1905 |
Census Appearances
1910
Guthrie, Iowa
Son, age 10
Guthrie, Iowa · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Denmark |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Denmark |
| Year of Immigration | 1902 |
| Naturalization Status | Alien |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Clerk |
| Industry | Railway Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1930
Cook, Illinois
Head, age 31
Cook, Illinois · implied b. ~1899 — 3 household members
| Surname | Johnson |
| Given Name | Carl E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 28 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Salesman |
| Industry | Book Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Dupage-County, Illinois
Head, age 41
Dupage-County, Illinois · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnsen |
| Given Name | Carl |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Watch Maker |
| Industry | Retail Dept Store |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 1880 |
| Highest Grade | No 4-H |
| 1935 Residence | Illinois |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Carl Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Carl Johnson (~0.92 confidence) and father James Johnson (~0.92 confidence) and mother Martina Johnson (~0.92 confidence) and mother Hellen Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Martina Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Hellen Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Johnson
Head · 1930 · age 31 · b. ~1899 · Illinois
★ You are viewing this record
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:illinoiscensus00reel476:0227)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ella Paylas | 19 | Daughter | Typist | Illinois |
| 2 | Ansil Switzer | 42 | Head | Laborer | Iowa |
| 3 | Marie Switzer | 37 | Wife-H | — | Indiana |
| 4 | Jean M. Switzer | 2 | Daughter | — | Illinois |
| 5 | Wilma Rast | 11 | Daughter | — | Indiana |
| 6 | Edward Rupke | 39 | Brother-in-law | Printer | Indiana |
| 7 | Anna Rupke | 63 | Mother-in-law | — | Ohio |
| 8 | Julius T. Proff | 42 | Head | Electrotyper | Illinois |
| 9 | Alice Proff | 34 | Wife-H | — | Illinois |
| 10 | Grace Proff | 9 | Daughter | — | Illinois |
| 11 | James Shannon | 40 | Head | Salesman | Illinois |
| 12 | Elizabeth Shannon | 43 | Wife-H | — | Connecticut |
| 13 | James Shannon | 5 | Son | — | Illinois |
| 14 | Timothy Morrissey | 75 | Father-in-law | — | Connecticut |
| 15 | Hannah Morrissey | 67 | Mother-in-law | — | Connecticut |
| 16 | Dora Maher | 52 | Head-H | — | Ohio |
| 17 | Grant Maher | 31 | Son | Police Officer | Illinois |
| 18 | Helen Maher | 25 | Daughter | Telephone Operator | Illinois |
| 19 | Oliver Collins | 48 | Roomer | Laborer | Illinois |
| 20 | Samuel N. Stevenson | 51 | Head | Salesman | Northern Ireland |
| 21 | Sophie Stevenson | 46 | Wife-H | — | Norway |
| 22 | Frances S. Stevenson | 21 | Son | Accountant | Illinois |
| 23 | Ruth F. Stevenson | 17 | Daughter | — | Illinois |
| 24 | Peter Burkart | 65 | Head | Laborer | Germany |
| 25 | Violet Burkart | 30 | Daughter-in-law | — | Illinois |
| 26 | Raymond Burkart | 35 | Son | Laborer | Illinois |
| 27 | Lawrence Burkart | 23 | Son | Electrotyper | Illinois |
| 28 | Peter J. Burkart | 19 | Son | Laborer | Illinois |
| 29 | Gertrude Fries | 56 | Sister-in-law | Typist | Germany |
| 30 | Victor Oakey | 34 | Head | Architect | Illinois |
| 31 | Helen Oakey | 24 | Wife-H | — | Illinois |
| 32 | Dorothy Oakey | 4 | Daughter | — | Illinois |
| 33 | Loretta Oakey | 1 | Daughter | — | Illinois |
| 34 | Stanley Malazewski | 43 | Head | Laborer | Poland |
| 35 | Victoria Malazewski | 35 | Wife-H | — | Poland |
| 36 | Alfred Malazewski | 16 | Son | — | Illinois |
| 37 | Theodore Malazewski | 13 | Son | — | Illinois |
| 38 | Arthur Malazewski | 9 | Son | — | Illinois |
| 39 | Carl E. Johnson THIS PERSON | 31 | Head | Salesman | Denmark |
| 40 | Anna Johnson | 25 | Wife-H | — | Illinois |
| 41 | Helen Johnson | 2 | Daughter | — | Illinois |
| 42 | Arthur J. Cook | 42 | Head | Salesman | Illinois |
| 43 | Ethel Cook | 42 | Wife-H | — | Illinois |
| 44 | Russell Cook | 14 | Son | — | Illinois |
| 45 | Felix Raczynski | 54 | Head | Contractor | Poland |
| 46 | Victoria Raczynski | 54 | Wife-H | — | Poland |
| 47 | Stefanie Raczynski | 26 | Daughter | Billing Clerk | Poland |
| 48 | Nellie Raczynski | 34 | Son | Brick Layer | Illinois |
| 49 | Irene Raczynski | 21 | Daughter | Telephone Operator | Illinois |
| 50 | Sigmund Raczynski | 20 | Son | Bank Clerk | Illinois |
Pedigree Summary
Carl
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)