GR
Grace Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Grace Robinson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Wilbur & Beatrice — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Robinson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Information Clerk |
| Industry | Electric Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 875 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Information Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1918 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Robinson | Spouse | — | 43 | ~1897 |
| Wilbur Robinson | Head | — | 48 | ~1892 |
| Wilbur Robinson | Son | — | 21 | ~1919 |
| Grace Robinson | Daughter | — | 22 | ~1918 |
Census Appearances
1920
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 12
Cook, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Grace A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 22
Cook-County, Illinois · implied b. ~1918 — 4 household members
| Surname | Robinson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Information Clerk |
| Industry | Electric Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 875 |
| Highest Grade | H 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 Grace Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Wilbur Robinson (~0.92 confidence) and mother Beatrice Robinson (~0.92 confidence) and mother Beatrice Robinson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wilbur Robinson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Beatrice Robinson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Beatrice Robinson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Robinson
Daughter · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Wilbur Robinson
Sibling · 1940 · 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
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-t0627-00999-00497)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Plencner | 14 | Grandson | — | Illinois |
| 2 | Phyllis Plencner | 13 | Granddaughter | — | Illinois |
| 3 | Harding Plencner | 24 | Nephew | Time Clerk | Wisconsin |
| 4 | Otto Walther | 59 | Head | Telephone Man | Michigan |
| 5 | Frances Walther | 59 | Wife | — | Michigan |
| 6 | John Walther | 30 | Son | Salesman | Illinois |
| 7 | Francis Walther | 28 | Son | Clerk | Illinois |
| 8 | Alice Walther | 22 | Daughter | — | Illinois |
| 9 | Walter Friedrich | 61 | Head | Owner | Illinois |
| 10 | Alma Friedrich | 52 | Wife | — | Wisconsin |
| 11 | Helen Friedrich | 25 | Daughter | Beauty Operat. | Illinois |
| 12 | Rose Petrie | 77 | Mother-in-law | — | Wisconsin |
| 13 | Nora Killeen | 60 | Head | — | Ireland |
| 14 | Charles Mountain | 65 | Boarder | Asst. Mgr. | Ireland |
| 15 | Albert Satan | 39 | Head | Asst. Mgr. | Illinois |
| 16 | Doris Satan | 37 | Wife | — | Illinois |
| 17 | Harry Satan | 10 | Son | — | Illinois |
| 18 | Janice Satan | 8 | Daughter | — | Illinois |
| 19 | Wilbur Robinson | 48 | Head | Clerk | Illinois |
| 20 | Beatrice Robinson | 43 | Wife | — | Illinois |
| 21 | Grace Robinson THIS PERSON | 22 | Daughter | Information Clerk | Illinois |
| 22 | Wilbur Jr. Robinson | 21 | Son | — | Illinois |
| 23 | John Galoano | 59 | Head | Fruit Store | Italy |
| 24 | Elizabeth Galoano | 55 | Wife | — | Italy |
| 25 | Mildred Galoano | 27 | Daughter | Stenographer | Illinois |
| 26 | Martina Kuliska | 24 | Lodger | Threader | Virginia |
| 27 | John W. Galoano | 34 | Head | Attorney | Illinois |
| 28 | Bernice Galoano | 34 | Wife | — | Ohio |
| 29 | Suzanne Galoano | 3 | Daughter | — | Illinois |
| 30 | Clifford Jones | 29 | Boarder | Asst. Cashier | Illinois |
| 31 | Detlef Ehlers | 31 | Head | Chauffeur | Germany |
| 32 | Loretta Ehlers | 28 | Wife | — | Iowa |
| 33 | Elfrieda Ehlers | 6 | Daughter | — | Illinois |
| 34 | Emil Kushnia | 36 | Head | Distributor | Illinois |
| 35 | Anne Kushnia | 30 | Wife | — | Illinois |
| 36 | Robert Kushnia | 8 | Son | — | Illinois |
| 37 | Barbara A. Kushnia | 4 | Daughter | — | Illinois |
| 38 | Fred Deeling | 43 | Head | Night Shift Foreman | Germany |
| 39 | Erna Deeling | 41 | Wife | — | Germany |
Pedigree Summary
Grace + 1 sibling
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)