JF
John Fritz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lorain-County, Ohio
Our Model Tree links this John Fritz across the 1930 and 1940 US Censuses in Lorain-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1906), then head of a 9-person household.
Age 34
b. ~1906
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lorain-County, Ohio |
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Elyria City |
| 1935 Residence (County) | Lorain |
| Additional Details | |
| Occupation | Assembler |
| Industry | Plastics manufacturer |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 496 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Assembler |
| Township / Ward | Elyria City |
| Est. Birth Year | ~1906 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Fritz | Head | — | 34 | ~1906 |
| Rita Fritz | Daughter | — | 8 | ~1932 |
| Sylvia Fritz | Daughter | — | 5 | ~1935 |
| Mary Fritz | Spouse | — | 33 | ~1907 |
| Eugene Fritz | Son | — | 9 | ~1931 |
| Rosemary Fritz | Daughter | — | ~1940 | |
| Robert Fritz | Son | — | 1 | ~1939 |
| Cecile Fritz | Daughter | — | 3 | ~1937 |
| Frances Fritz | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Lorain, Ohio
Head, age 24
Lorain, Ohio · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 22 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Occupation | Assembler |
| Industry | Portable Shovels |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lorain-County, Ohio
Head, age 34
Lorain-County, Ohio · implied b. ~1906 — 9 household members
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Elyria City |
| 1935 Residence (County) | Lorain |
| Occupation | Assembler |
| Industry | Plastics manufacturer |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 496 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 34 · b. ~1906 · Ohio
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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 — Lorain-County, Ohio
Open full size
1940 US Federal Census — Lorain-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03103-00753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Miller | 39 | Head | Salesman | Pennsylvania |
| 2 | Mildred Miller | 27 | Wife | Waitress | Ohio |
| 3 | Barbara Miller | 4 | Daughter | — | Ohio |
| 4 | Vincent Farhan | 49 | Head | Job-Setter | Hungary |
| 5 | Lena Farhan | 42 | Wife | — | Czechoslovakia |
| 6 | Vincent Farhan | 20 | Son | Machine Operator | Ohio |
| 7 | Rudolf Farhan | 17 | Son | — | Ohio |
| 8 | Peter Bargon | 65 | Head | Stationary Engineer | Hungary |
| 9 | Julia Bargon | 59 | Wife | — | Hungary |
| 10 | Luke Bargon | 26 | Son | Lawyer | Ohio |
| 11 | Frank A Bargon | 20 | Son | Welder | Ohio |
| 12 | John Fritz THIS PERSON | 34 | Head | Assembler | Ohio |
| 13 | Mary Fritz | 33 | Wife | — | Ohio |
| 14 | Frances Fritz | 10 | Daughter | — | Ohio |
| 15 | Eugene Fritz | 9 | Son | — | Ohio |
| 16 | Rita Fritz | 8 | Daughter | — | Ohio |
| 17 | Sylvia Fritz | 5 | Daughter | — | Ohio |
| 18 | Cecile Fritz | 3 | Daughter | — | Ohio |
| 19 | Robert Fritz | 1 | Son | — | Ohio |
| 20 | Rosemary Fritz | 0 | Daughter | — | Ohio |
| 21 | Lawrence Naczmarck | 54 | Head | Laborer | Poland |
| 22 | Frances Naczmarck | 53 | Wife | — | Poland |
| 23 | Stanley Simmons | 58 | Son-in-law | Craneman | Ohio |
| 24 | Benjamin Simmons | 42 | Grandson | Polisher | Ohio |
| 25 | Michael Banik | 59 | Head | Watchman | Slovakia |
| 26 | Mary Banik | 55 | Wife | — | Slovakia |
| 27 | Ann Banik | 29 | Daughter | Trimmer | Pennsylvania |
| 28 | Gabe Banik | 20 | Son | Hand-Lacker | Pennsylvania |
| 29 | Eunidge Odell | 52 | Head | Janitor | Tennessee |
| 30 | Abula Odell | 48 | Wife | Maid | Tennessee |
| 31 | George Odell | 8 | Son | — | Ohio |
| 32 | James Henderson | 35 | Roomer | Laborer | Unknown |
| 33 | Anna Taylor | 45 | Head | Household Work | Ohio |
| 34 | William Means | 54 | Lodger | — | Ohio |
| 35 | Frank Mittle | 55 | Head | — | Hungary |
| 36 | Rose Mittle | 56 | Wife | — | Hungary |
| 37 | Frank Mittle | 24 | Son | Apprentice | Ohio |
| 38 | Irma Mittle | 22 | Daughter | Clerk | Ohio |
| 39 | Kalman Mittle | 20 | Son | Laborer | Ohio |
| 40 | Geza Mittle | 18 | Son | New Worker | Ohio |
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)