PJ
Pearl Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Pearl Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & Annie — first a spouse (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1914 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Pearl | Age | Birth yr |
|---|---|---|---|---|
| Merlynn Johnson | Daughter | — | 4 | ~1936 |
| Roy Johnson | Head | — | 28 | ~1912 |
| George Johnson | Other | — | 30 | ~1910 |
| Pearl Johnson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Inspecting |
| Industry | Underwear Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 26
Cook-County, Illinois · implied b. ~1914 — 4 household members
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Pearl Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence) and mother Marie Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Marie Johnson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Pearl Johnson
Spouse · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00960-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Albin Krenz | 32 | Head | Maintenance | Illinois |
| 3 | Victoria Krenz | 31 | Wife | — | Illinois |
| 4 | Alvin Krenz | 9 | Son | — | Illinois |
| 5 | Dorothy Krenz | 5 | Daughter | — | Illinois |
| 6 | Tony Bocis | 52 | Head | Trailer Tractor Driver | Lithuania |
| 7 | Stella Bocis | 64 | Wife | — | Lithuania |
| 8 | Willie Ramsey | 61 | Head | Order Filler | Kentucky |
| 9 | Olga Ramsey | 57 | Wife | — | Illinois |
| 10 | Milton Ramsey | 23 | Son | Shipping Clerk | Illinois |
| 11 | Raymond Smith | 43 | Head | Mail Clerk | Minnesota |
| 12 | Doris Smith | 41 | Wife | — | Minnesota |
| 13 | Stanley Lakomy | 46 | Head | Janitor | Illinois |
| 14 | Helen Lakomy | 29 | Wife | — | Indiana |
| 15 | Ruth Ab. Lakomy | 24 | Daughter | Typist | Illinois |
| 16 | James Roberts | 52 | Head | Bookkeeper | West Virginia |
| 17 | Elizabeth Roberts | 50 | Wife | — | Ohio |
| 18 | Dorothy Roberts | 29 | Daughter | Telegraph Operator | Ohio |
| 19 | Edward Baum | 30 | Head | Lithographer | Illinois |
| 20 | Ruth Baum | 35 | Wife | — | Iowa |
| 21 | Nancy Leigh Baum | 5 | Daughter | — | Illinois |
| 22 | Richard Baum | 1 | Son | — | Illinois |
| 23 | Roy Johnson | 28 | Head | Office Clerk | Illinois |
| 24 | Pearl Johnson THIS PERSON | 26 | Wife | — | Illinois |
| 25 | Merlynn Johnson | 4 | Daughter | — | Illinois |
| 26 | George Johnson | 30 | Brother | Chain Adjuster | Illinois |
| 27 | Robert Harper | 25 | Head | Electrical Maintenance | Illinois |
| 28 | Mary Harper | 26 | Wife | — | Illinois |
| 29 | Thomas Muldowney | 37 | Head | Bread Truck Driver | Illinois |
| 30 | Catherine Muldowney | 31 | Wife | — | Illinois |
| 31 | Thomas Jr. Muldowney | 11 | Son | — | Illinois |
| 32 | Richard F. Muldowney | 6 | Son | — | Illinois |
| 33 | Elizabeth Supher | 53 | Mother-in-law | — | Illinois |
| 34 | Harry Hansen | 33 | Head | Technical Sales Advisor | Ohio |
| 35 | Gerry Hansen | 31 | Wife | — | Ohio |
| 36 | Karen Hansen | 1 | Daughter | — | Illinois |
| 37 | Helen Carlson | 69 | Head | — | Sweden |
| 38 | Milford Carlson | 30 | Son | Office Clerk | Illinois |
| 39 | Willie Hayden | 37 | Head | Produce Broker | Illinois |
| 40 | Jessie Hayden | 38 | Wife | — | Illinois |
Pedigree Summary
Pearl
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)