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James Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Kerr across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 4-person household.
Age 13
b. ~1927
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kerr |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1927 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Kerr | Head | — | 35 | ~1905 |
| Donald Kerr | Son | — | 4 | ~1936 |
| James Kerr | Son | — | 13 | ~1927 |
| Marie Kerr | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Cook, Illinois
Other, age 2
Cook, Illinois · implied b. ~1928 — 47 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | James |
| Relationship to Head | Inmate |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Italy |
| Mother's Birthplace | Nebraska |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 13
Cook-County, Illinois · implied b. ~1927 — 4 household members
| Surname | Kerr |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | No 7 |
| 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 James Kerr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Kerr
Son · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Donald Kerr
Sibling · 1940 · age 4
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
40 people indexed on this census page (nara:1940:m-t0627-00947-00808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis Delfield | 57 | Head | Maintenance | Illinois |
| 42 | Charlotte Delfield | 54 | Wife | — | Illinois |
| 43 | Emil Cole | 27 | Head | Inspector | Illinois |
| 44 | Dorothy Cole | 27 | Wife | — | Illinois |
| 45 | Joan Cole | 2 | Daughter | — | Illinois |
| 46 | John Phillips | 21 | Head | Book Keeper | Indiana |
| 47 | Lynn Phillips | 19 | Wife | — | Illinois |
| 48 | John Jr. Phillips | 0 | Son | — | Illinois |
| 49 | Mary Cook | 46 | Head | Cook | Indiana |
| 50 | Dorthia Petrovic | 25 | Daughter | Waitress | Ohio |
| 51 | Patrick Petrovic | 26 | Son-in-law | Laborer | Missouri |
| 52 | Joseph Bagliero | 46 | Head | Shoe Maker | Italy |
| 53 | Sagina Bagliero | 43 | Wife | — | Illinois |
| 54 | Rose Bagliero | 15 | Daughter | — | Illinois |
| 55 | Zena Bagliero | 16 | Daughter | — | Illinois |
| 56 | Angeline Bagliero | 14 | Daughter | — | Illinois |
| 57 | Vincent Bagliero | 9 | Son | — | Illinois |
| 58 | Howard Backhoff | 35 | Head | Truck Driver | Massachusetts |
| 59 | Lucille Backhoff | 29 | Wife | — | Illinois |
| 60 | Howard Backhoff | 9 | Son | — | Illinois |
| 61 | William Backhoff | 4 | Son | — | Illinois |
| 62 | Edward Schmidt | 58 | Head | Salesman | Ohio |
| 63 | Mildred C. Schmidt | 43 | Wife | — | Illinois |
| 64 | Edward Jr. Schmidt | 16 | Son | — | Illinois |
| 65 | Norman E. Schmidt | 15 | Son | — | Illinois |
| 66 | Barbara J. Schmidt | 12 | Daughter | — | Illinois |
| 67 | Oral Adir | 32 | Head | Salesman | Illinois |
| 68 | Jean Adir | 25 | Wife | Clerk | Illinois |
| 69 | Ernest Ahl | 52 | Head | Driver | Sweden |
| 70 | Minnie Ahl | 53 | Wife | — | Austria |
| 71 | James Kerr | 35 | Head | Clerk | Illinois |
| 72 | Marie Kerr | 35 | Wife | — | Illinois |
| 73 | James Kerr THIS PERSON | 13 | Son | — | Illinois |
| 74 | Donald Kerr | 4 | Son | — | Illinois |
| 75 | Sleigh Varodwill | 31 | Head | Clerk | New York |
| 76 | Kathryn Varodwill | 23 | Wife | — | Illinois |
| 77 | Magdalen Kretts | 64 | Head | — | Illinois |
| 78 | Clara E. Kretts | 30 | Daughter | Stenographer | Illinois |
| 79 | Clara K. Walker | 40 | Sister-in-law | Stenographer | Illinois |
| 80 | Joseph Murphy | 34 | Head | Clerk | Illinois |
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)