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John Briggs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Briggs across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Briggs |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Highest Grade | S 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1928 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Briggs | Son | — | 12 | ~1928 |
| Alwin Briggs | Son | — | 15 | ~1925 |
| Jean Briggs | Spouse | — | 34 | ~1906 |
| Owen Briggs | Head | — | 39 | ~1901 |
| Walter Briggs | Son | — | 14 | ~1926 |
Census Appearances
1930
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Briggs |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 12
Cook-County, Illinois · implied b. ~1928 — 5 household members
| Surname | Briggs |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Highest Grade | S 6 |
| 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 John Briggs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Briggs
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Walter Briggs
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alwin Briggs
Sibling · 1940 · age 15
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-t0627-00928-00787)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Cohen | 49 | Head | Cutter | New York |
| 2 | Rose Cohen | 39 | Wife | — | New York |
| 3 | Marshall B. Cohen | 13 | Son | — | Illinois |
| 4 | Armand L. Cohen | 7 | Son | — | Illinois |
| 5 | Harlan S. Cohen | 5 | Son | — | Illinois |
| 6 | Julius Loeb | 59 | Head | Upholstery Supplies | Germany |
| 7 | Bertha Loeb | 61 | Sister | — | Germany |
| 8 | Leonard Ceim | 18 | Nephew | General Office Worker | Germany |
| 9 | Fritz Bender | 35 | Lodger | Solderer | Germany |
| 10 | Max Bodenheimer | 70 | Lodger | Steward | Germany |
| 11 | Michael Kelrich | 38 | Head | Sign Painter | Poland |
| 12 | Esther Kelrich | 37 | Wife | Hat Maker | Russia |
| 13 | Victoria A. Kelrich | 0 | Daughter | — | Illinois |
| 14 | Harry Goldstein | 52 | Head | General Work | Poland |
| 15 | Diana Goldstein | 50 | Wife | Operator | Poland |
| 16 | Owen Briggs | 39 | Head | Art Teacher | New York |
| 17 | Jean Briggs | 34 | Wife | — | Mississippi |
| 18 | Alwin Briggs | 15 | Son | — | Illinois |
| 19 | Walter Briggs | 14 | Son | — | Illinois |
| 20 | John Briggs THIS PERSON | 12 | Son | — | Illinois |
| 21 | Harry W. Methven | 74 | Head | Painter-Artist | Pennsylvania |
| 22 | Elizabeth Methven | 77 | Sister | — | Pennsylvania |
| 23 | Alex P. Caplan | 54 | Head | Ladies Ready To Wear | Maryland |
| 24 | Dora Caplan | 50 | Wife | — | Kentucky |
| 25 | Gerald Caplan | 16 | Son | Delivery Boy | Illinois |
| 26 | Edward Caplan | 14 | Son | — | Illinois |
| 27 | Arthur Caplan | 13 | Son | — | Illinois |
| 28 | Birdie Simons | 38 | Sister-in-law | Office Worker | Kentucky |
| 29 | Bernard Sabbath | 22 | Head | Driver Salesman | Illinois |
| 30 | Lillie Sabbath | 49 | Mother | — | Poland |
| 31 | Anita Sabbath | 16 | Sister | — | California |
| 32 | Dolly F. Sabbath | 15 | Sister | — | California |
| 33 | Mildred Shapiro | 25 | Sister | — | Illinois |
| 34 | Sharon C. Shapiro | 1 | Niece | — | California |
| 35 | Roy Reif | 34 | Head | Sandblaster | Illinois |
| 36 | Margaret Reif | 36 | Wife | — | Illinois |
| 37 | Thomas Reif | 12 | Son | — | Illinois |
| 38 | Jean Johnson | 20 | Sister-in-law | Waitress | Illinois |
| 39 | Harry Johnson | 25 | Brother-in-law | Truck Driver | Illinois |
| 40 | Bernita Hinners | 19 | Lodger | Waitress | 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)