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James Robertson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Robertson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Jessie — first a head (b.~1896), then head of a 3-person household.
Age 44
b. ~1896
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Evanston |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Manager |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 2800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Manager |
| Township / Ward | Evanston |
| Est. Birth Year | ~1896 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Robertson | Head | — | 44 | ~1896 |
| James Robertson | Son | — | 11 | ~1929 |
| Marie Robertson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Winnebago, Illinois
Son, age 24
Winnebago, Illinois · implied b. ~1896 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Post Office |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | scotland |
1930
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 30 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Proprietor |
| Industry | Delicatessen |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Cook-County, Illinois
Head, age 44
Cook-County, Illinois · implied b. ~1896 — 3 household members
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Evanston |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Manager |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 2800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 James Robertson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Robertson (~0.92 confidence) and mother Jessie Robertson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Robertson
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Jessie Robertson
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Robertson
Head · 1940 · age 44 · b. ~1896 · 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
37 people indexed on this census page (nara:1940:m-t0627-00778-00808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Wetter | 72 | Head | — | Luxemburg |
| 2 | John Wetter | 30 | Son | Designer | Illinois |
| 3 | Rosalie Wetter | 21 | Niece | Clerk | Illinois |
| 4 | Deloris Wetter | 18 | Niece | — | Illinois |
| 5 | Lorraine Wetter | 15 | Niece | — | Illinois |
| 6 | Priscilla Wetter | 14 | Niece | — | Illinois |
| 7 | Diane Wetter | 9 | Niece | — | Illinois |
| 8 | Jacob Klein | 54 | Head | Service Man | Illinois |
| 9 | Anna Klein | 53 | Wife | — | Illinois |
| 10 | Katherine Klein | 26 | Daughter | Operator | Illinois |
| 11 | John Klein | 19 | Son | Doorman | Illinois |
| 13 | Fred Wetter | 44 | Head | General Worker | Illinois |
| 14 | Ingrid Wetter | 39 | Wife | — | Sweden |
| 15 | Frederick Wetter | 16 | Son | — | Illinois |
| 16 | Clinton Wetter | 12 | Son | — | Illinois |
| 17 | Marie Wetter | 5 | Daughter | — | Illinois |
| 19 | Arthur H. Phalen | 34 | Head | Manager | Illinois |
| 20 | Ruth Phalen | 27 | Wife | — | Illinois |
| 21 | Nancy Phalen | 2 | Daughter | — | Illinois |
| 22 | Gust Thorp | 39 | Head | Carpenter | Sweden |
| 23 | Marion Thorp | 34 | Wife | — | Sweden |
| 24 | Amiel Forslund | 37 | Boarder | Painter | Sweden |
| 25 | Harold T. Crane | 28 | Head | Clerk | Illinois |
| 26 | Rose Marie Crane | 25 | Wife | — | Illinois |
| 27 | Frederick Crane | 4 | Son | — | Illinois |
| 28 | James Robertson THIS PERSON | 44 | Head | Manager | Scotland |
| 29 | Marie J. Robertson | 44 | Wife | — | Illinois |
| 30 | James F. Robertson | 11 | Son | — | Illinois |
| 32 | Nicholas Molitor | 41 | Head | Assistant Cashier | Luxemburg |
| 33 | Mae C. Molitor | 35 | Wife | — | Luxemburg |
| 34 | John P. Molitor | 9 | Son | — | Illinois |
| 35 | Margaret Molitor | 3 | Daughter | — | Illinois |
| 36 | John Molitor | 38 | Head | Clerk | Illinois |
| 37 | Theresa Molitor | 33 | Wife | — | Luxemburg |
| 38 | John Jr. Molitor | 7 | Son | — | Illinois |
| 39 | Peter Molitor | 3 | Son | — | Illinois |
| 40 | Christ Olson | 60 | Head | Contractor | Norway |
Pedigree Summary
James
Gen 1 · 2 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)