JF
John Fritz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this John Fritz across the 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East Peoria |
| 1935 Residence (County) | Tazewell |
| Additional Details | |
| Occupation | teacher |
| Industry | High school |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 3000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | East Peoria |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| Paul Fritz | Son | — | 10 | ~1930 |
| Sally Fritz | Daughter | — | 5 | ~1935 |
| Edith Fritz | Spouse | — | 35 | ~1905 |
| Jay Fritz | Son | — | 12 | ~1928 |
| John Fritz | Head | — | 37 | ~1903 |
Census Appearances
1930
Tazewell, Illinois
Head, age 27
Tazewell, Illinois · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fritz |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 4000 |
| Home Value / Rent | R |
| Veteran | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Tazewell-County, Illinois
Head, age 37
Tazewell-County, Illinois · implied b. ~1903 — 5 household members
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East Peoria |
| 1935 Residence (County) | Tazewell |
| Occupation | teacher |
| Industry | High school |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 3000 |
| 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 John Fritz across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Fritz
Head · 1940 · age 37 · b. ~1903 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Tazewell-County, Illinois
Open full size
1940 US Federal Census — Tazewell-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00894-00313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Fritz THIS PERSON | 37 | Head | Teacher | Illinois |
| 42 | Edith Fritz | 35 | Wife | — | Missouri |
| 43 | Jay Fritz | 12 | Son | — | Illinois |
| 44 | Paul Fritz | 10 | Son | — | Illinois |
| 45 | Sally Sue Fritz | 5 | Daughter | — | Illinois |
| 46 | William Peterlin | 28 | Head | Millwright | Illinois |
| 47 | Kate Peterlin | 23 | Wife | — | Illinois |
| 48 | William Jr. Peterlin | 2 | Son | — | Illinois |
| 49 | John Buehler | 24 | Head | Draftsman | Illinois |
| 50 | Betty Buehler | 22 | Wife | — | Illinois |
| 51 | Judy Buehler | 0 | Daughter | — | Illinois |
| 52 | John Kozlowsky | 35 | Head | Meter Man | New York |
| 53 | Ann Kozlowsky | 27 | Wife | — | Illinois |
| 54 | Miles Kozlowsky | 11 | Son | — | Illinois |
| 55 | Patricia Ann Kozlowsky | 5 | Daughter | — | Illinois |
| 56 | Albert Young | 47 | Head | Boiler Maker | Illinois |
| 57 | Edna Young | 45 | Wife | — | Illinois |
| 58 | Gottfrey Schmid | 36 | Head | Repairman | Switzerland |
| 59 | Mary Schmid | 42 | Wife | — | Germany |
| 60 | Gilbert Schubert | 32 | Head | Service Man | Wisconsin |
| 61 | Dorothy Schubert | 25 | Wife | — | Wisconsin |
| 62 | Barbara J. Schubert | 1 | Daughter | — | Illinois |
| 63 | Leroy Wilson | 33 | Head | Layout Man | Iowa |
| 64 | Irene Wilson | 33 | Wife | — | Wisconsin |
| 65 | William Dowell | 39 | Head | Attorney | Illinois |
| 66 | Dorothy B. Dowell | 38 | Wife | — | Illinois |
| 67 | Diana Dowell | 11 | Daughter | — | Illinois |
| 68 | William Dowell | 8 | Son | — | Illinois |
| 69 | Genevieve Harding | 29 | Head | Machin Operator | Illinois |
| 70 | William Kandell | 54 | Head | Drill Operator | Germany |
| 71 | Anna Kandell | 57 | Wife | — | Illinois |
| 72 | William Jr. Kandell | 27 | Son | Auto Patrol | Illinois |
| 73 | Walter Kandell | 23 | Son | Parts Man | Illinois |
| 74 | Elmer Gerdt | 32 | Head | Salesman | Illinois |
| 75 | Rose Gerdt | 30 | Wife | — | Illinois |
| 76 | Charles Rayburn | 61 | Head | Janitor | Illinois |
| 77 | Addie Rayburn | 62 | Wife | — | Illinois |
| 78 | Elmer Alberts | 35 | Head | Clerk | Illinois |
| 79 | Lucille Alberts | 34 | Wife | — | Illinois |
| 80 | Shirley Alberts | 14 | Daughter | — | 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)