JF
John Fritz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Darke-County, Ohio
Our Model Tree links this John Fritz across the 1930 and 1940 US Censuses in Darke-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 12-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Darke-County, Ohio |
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Wayne Twp |
| 1935 Residence (County) | Darke |
| Additional Details | |
| Highest Grade | 9 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Wayne Twp |
| Est. Birth Year | ~1925 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Annabelle Fritz | Daughter | — | 13 | ~1927 |
| Walter Fritz | Son | — | 17 | ~1923 |
| John Fritz | Son | — | 15 | ~1925 |
| Edwin Fritz | Son | — | 20 | ~1920 |
| Donald Fritz | Son | — | 6 | ~1934 |
| Clara Fritz | Spouse | — | 41 | ~1899 |
| Lloyd Fritz | Son | — | 10 | ~1930 |
| Carol Fritz | Daughter | — | 2 | ~1938 |
| David Fritz | Head | — | 46 | ~1894 |
| Rita Fritz | Daughter | — | 1 | ~1939 |
| Robert Fritz | Son | — | 8 | ~1932 |
| Clifford Fritz | Son | — | 4 | ~1936 |
Census Appearances
1930
Darke, Ohio
Son, age 5
Darke, Ohio · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fritz |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Darke-County, Ohio
Son, age 15
Darke-County, Ohio · implied b. ~1925 — 12 household members
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Wayne Twp |
| 1935 Residence (County) | Darke |
| Highest Grade | 9 |
| 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
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Walter Fritz
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Fritz
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Fritz
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Fritz
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Fritz
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Fritz
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Fritz
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Fritz
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Fritz
Sibling · 1940 · age 8
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 — Darke-County, Ohio
Open full size
1940 US Federal Census — Darke-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03060-01101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jesse J. Apple | 46 | Head | Farmer | Ohio |
| 2 | Florence Apple | 44 | Wife | — | Ohio |
| 3 | Ralph Apple | 23 | Son | Farmer | Ohio |
| 4 | Elsie Apple | 18 | Daughter | New Worker | Ohio |
| 5 | Treva Apple | 9 | Daughter | — | Ohio |
| 6 | Richard Apple | 3 | Son | — | Ohio |
| 7 | Blanche Niehuity|Niehuity | 47 | Head | Seamstress | Ohio |
| 8 | Ronald Niehuity|Niehuity | 20 | Son | Laborer | Ohio |
| 9 | Simon Bachore | 53 | Head | Farmer | Ohio |
| 10 | Martha Bachore | 48 | Wife | — | Ohio |
| 11 | Betty Bachore | 16 | Daughter | — | Ohio |
| 12 | Robert Bachore | 25 | Son | Laborer | Ohio |
| 13 | Helen Bachore | 14 | Daughter | — | Ohio |
| 14 | Dorothy Jean Bachore | 12 | Daughter | — | Ohio |
| 15 | Ralph D. Keihl | 26 | Head | Farmer | Ohio |
| 16 | Opal Keihl | 24 | Wife | — | Ohio |
| 17 | Emma Schrader | 56 | Head | — | Ohio |
| 18 | Ray Schrader | 36 | Son | Farmer | Ohio |
| 19 | Grace Schrader | 35 | Daughter-in-law | — | Ohio |
| 20 | Thelma Schrader | 12 | Granddaughter | — | Ohio |
| 21 | Lucille Schrader | 10 | Granddaughter | — | Ohio |
| 22 | John Labig | 57 | Head | Farmer | Ohio |
| 23 | Myrtle Labig | 53 | Wife | — | Ohio |
| 24 | Orville Labig | 21 | Son | New Worker | Ohio |
| 25 | David Fritz | 46 | Head | Farmer | Ohio |
| 26 | Clara Fritz | 41 | Wife | — | Ohio |
| 27 | Edwin Fritz | 20 | Son | Packer | Ohio |
| 28 | Walter Fritz | 17 | Son | — | Ohio |
| 29 | John Fritz THIS PERSON | 15 | Son | — | Ohio |
| 30 | Annabelle Fritz | 13 | Daughter | — | Ohio |
| 31 | Lloyd Fritz | 10 | Son | — | Ohio |
| 32 | Robert Fritz | 8 | Son | — | Ohio |
| 33 | Donald Fritz | 6 | Son | — | Ohio |
| 34 | Clifford Fritz | 4 | Son | — | Ohio |
| 35 | Carol Fritz | 2 | Daughter | — | Ohio |
| 36 | Rita Mae Fritz | 1 | Daughter | — | Ohio |
| 37 | Ernest Wilson | 42 | Head | Farmer | Ohio |
| 38 | Mable Wilson | 41 | Wife | — | Ohio |
| 39 | Adine Wilson | 18 | Daughter | — | Ohio |
| 40 | Carolyn Jean Wilson | 3 | Daughter | — | 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)