PJ
Peter Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Peter Johnson across the 1900, 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 2-person household.
Age 71
b. ~1859
Male
Head
Born: Denmark
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | salesman |
| Industry | tea & coffee |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Salesman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1859 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Peter Johnson | Head | — | 71 | ~1859 |
| Earl Johnson | Son | — | 40 | ~1890 |
Census Appearances
1900
Cook, Illinois
Other, age 40
Cook, Illinois · implied b. ~1860 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | boarder |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Denmark |
| Birth Month | Mar |
| Birth Year | 1860 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Write | Structural iron worker |
| Speaks English | Yes |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1910
Cook, Illinois
Other, age 51
Cook, Illinois · implied b. ~1859 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Patient |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 21 |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Cabinet Maker |
| Industry | Furniture Factory |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Cook, Illinois
Head, age 61
Cook, Illinois · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Denmark |
| Year of Immigration | 1867 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Commercial Traveler |
| Industry | Wholesale Tailors |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Birth Country | Denmark |
| Year of Naturalization | 1875 |
| Birthplace (normalized) | denmark |
1930
Cook, Illinois
Head, age 71
Cook, Illinois · implied b. ~1859 — 2 household members
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | salesman |
| Industry | tea & coffee |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| 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 Peter Johnson across 4 US Census years (1900, 1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Peter Johnson
Head · 1930 · age 71 · b. ~1859 · Illinois
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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:illinoiscensus00reel466:0562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Eiser | 35 | Head | Salesman | Illinois |
| 2 | Helen Eiser | 34 | Wife | None | Hungary |
| 3 | Pearl Eiser | 17 | daughter | Operator | Illinois |
| 4 | Marjorie Eiser | 14 | daughter | None | Illinois |
| 5 | Francis Eiser | 12 | daughter | None | Illinois |
| 6 | June Eiser | 9 | daughter | None | Illinois |
| 7 | Mildred Eiser | 6 | daughter | None | Illinois |
| 8 | John Eiser | 64 | father | Unkn | Germany |
| 9 | Louis Gales | 47 | Head | Upholsterer | Hungary |
| 10 | Jean Gales | 41 | wife | None | Czechoslovakia |
| 11 | Louis Gales | 16 | son | News Boy | Michigan |
| 12 | Gabriel Ab Gales | 15 | son | None | Michigan |
| 13 | Rose M Gales | 14 | daughter | None | Michigan |
| 14 | Adeline Gales | 11 | daughter | None | Michigan |
| 15 | Virginia Gales | 7 | daughter | None | Illinois |
| 16 | Joan Gales | 3 | daughter | None | Illinois |
| 17 | Max Hubbert | 44 | Head | Painter | Germany |
| 18 | Mary Hubbert | 44 | wife | None | Poland |
| 19 | Joe Hubbert | 22 | son | Shipping Clerk | Illinois |
| 20 | Eddie Hubbert | 22 | son | Truck Driver | Illinois |
| 21 | Annie Hubbert | 19 | daughter in law | Food Distributor | Pennsylvania |
| 22 | Alex Andr Kulik | 42 | Head | Salesman | Illinois |
| 23 | Caroline Kulik | 39 | wife | Sales Lady | Illinois |
| 24 | Harry Kulik | 17 | son | Apprentice | Illinois |
| 25 | Harry Kulik | 13 | son | None | Illinois |
| 26 | Stanley Davies | 44 | Head | Yes | Wales |
| 27 | Gwen Davies | 40 | wife | None | Illinois |
| 28 | Gwen Davies | 3 | daughter | None | Illinois |
| 29 | Mary Webster | 72 | mother in law | None | New York |
| 30 | Walter Szafary | 27 | Head | Poultry Dresser | Poland |
| 31 | Rose Szafary | 23 | wife | None | Illinois |
| 32 | Raymond Szafary | 4 | son | None | Illinois |
| 33 | Dolores Szafary | 1 | daughter | None | Illinois |
| 34 | Peter Johnson THIS PERSON | 71 | Head | Salesman | Denmark |
| 35 | Earl S. Johnson | 40 | son | Salesman | Michigan |
| 36 | Peter Ronayne | 70 | Head | Yes | New York State |
| 37 | Bridget Ronayne | 65 | wife | Yes | Connecticut |
| 38 | Edward A. Plick | 32 | Head | Chauffeur | Illinois |
| 39 | Eleanor Plick | 31 | wife | None | Illinois |
| 40 | Walter Plick | 31 | brother | Salesman | Illinois |
| 41 | Abraham Gussman | 50 | Head | Yes | Poland |
| 42 | Sophia Gussman | 42 | wife | Machine Operator | Russia |
| 43 | Bernice Gussman | 20 | daughter | None | Russia |
| 44 | Albert Schneider | 31 | Head | Baker | Germany |
| 45 | Elizabeth Schneider | 26 | wife | Saleswoman | Germany |
| 46 | Eleanor Schneider | 1 | daughter | None | Illinois |
| 47 | Frederick Rice | 32 | boarder | Baker | Germany |
| 48 | Boleslaw Feldbevic | 47 | Head | Salesman | Lithuania |
| 49 | Katherine Feldbevic | 38 | wife | None | Lithuania |
| 50 | Albert Feldbevic | 21 | son | None | 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)