JF
John Fritz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Portage-County, Ohio
Our Model Tree links this John Fritz across the 1930 and 1940 US Censuses in Portage-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Portage-County, Ohio |
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Brady Lake Village |
| 1935 Residence (County) | Portage |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Bus Builders |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 776 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Mechanic |
| Township / Ward | Brady Lake Village |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Fritz | Spouse | — | 25 | ~1915 |
| Kenneth Fritz | Son | — | 7 | ~1933 |
| Robert Fritz | Son | — | 7 | ~1933 |
| Nancy Fritz | Daughter | — | 2 | ~1938 |
| John Fritz | Head | — | 30 | ~1910 |
| James Fritz | Son | — | ~1940 | |
| Dolores Fritz | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Portage, Ohio
Other, age 20
Portage, Ohio · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fritz |
| Given Name | John K. |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Portage-County, Ohio
Head, age 30
Portage-County, Ohio · implied b. ~1910 — 7 household members
| Surname | Fritz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Brady Lake Village |
| 1935 Residence (County) | Portage |
| Occupation | Mechanic |
| Industry | Bus Builders |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 776 |
| Highest Grade | No 8 |
| 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 30 · b. ~1910 · 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 — Portage-County, Ohio
Open full size
1940 US Federal Census — Portage-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03130-00216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dodge Margaret Dodge | 28 | Wife | — | Ohio |
| 42 | Herbert Baker | 28 | Head | Brakeman | Indiana |
| 43 | Hattie Deckerhoof | 77 | Head | Painter | Ohio |
| 44 | Robert Deckerhoof | 14 | Son | — | Ohio |
| 45 | Donald Deckerhoof | 7 | Son | — | Ohio |
| 46 | John Fritz THIS PERSON | 30 | Head | Mechanic | Illinois |
| 47 | Dorothy Fritz | 25 | Wife | — | Ohio |
| 48 | Kenneth Fritz | 7 | Son | — | Ohio |
| 49 | Robert Fritz | 7 | Son | — | Ohio |
| 50 | Dolores Fritz | 5 | Daughter | — | Ohio |
| 51 | Nancy Jane Fritz | 2 | Daughter | — | Ohio |
| 52 | James X Fritz | 0 | Son | — | Ohio |
| 53 | Carl Roosa | 29 | Head | Moulder Helper | Ohio |
| 54 | Cora Roosa | 23 | Wife | — | Washington |
| 55 | Carl Jr. Roosa | 7 | Son | — | Ohio |
| 56 | Charles Roosa | 5 | Son | — | Ohio |
| 57 | Herbert Roosa | 3 | Son | — | Ohio |
| 58 | Lois Roosa | 2 | Daughter | — | Ohio |
| 59 | Violet Gamble | 19 | Sister-in-law | Housework | Washington |
| 60 | William Herr | 64 | Head | Merchant | Ohio |
| 61 | Gertrude Herr | 55 | Wife | — | Ohio |
| 62 | Elzene Snell | 82 | Mother-in-law | — | Ohio |
| 63 | Arthur Radkay | 53 | Head | Licensed Fireman | Ohio |
| 64 | Margaret Radkay | 29 | Wife | — | Ohio |
| 65 | Elizabeth Bankson | 65 | Head | Housework | Pennsylvania |
| 66 | De Leo Fear | 47 | Head | Laborer | Ohio |
| 67 | Mae Fear | 27 | Wife | — | Ohio |
| 68 | Robert Fear | 15 | Son | Repair Man | Ohio |
| 69 | Phila O'Connor | 82 | Head | — | Ohio |
| 70 | Kenneth R. Smith | 25 | Head | Laborer | West Virginia |
| 71 | Lulu G. Smith | 64 | Mother | — | West Virginia |
| 72 | La Verne Hunt | 25 | Head | Laborer | Ohio |
| 73 | Mabel Hunt | 22 | Wife | — | Ohio |
| 74 | Elvin Hunt | 1 | Son | — | Ohio |
| 75 | Russell Cretes | 24 | Head | Laborer | Ohio |
| 76 | Clee Cretes | 26 | Wife | — | Ohio |
| 77 | Sally Cretes | 2 | Daughter | — | Ohio |
| 78 | Sam O'Kelly | 31 | Head | Laborer | Ohio |
| 79 | Mary Ellen O'Kelly | 25 | Wife | Coil Taper | Ohio |
| 80 | Russell White | 41 | Head | Truck Driver | 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)