JF
John Fischer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Fischer across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Fischer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 416 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Clerk |
| Township / Ward | Detroit |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| Elizabeth Fischer | Daughter | — | 22 | ~1918 |
| Rose Fischer | Daughter | — | 24 | ~1916 |
| Barbara Fischer | Daughter | — | 4 | ~1936 |
| Mary Fischer | Daughter | — | 18 | ~1922 |
| Joseph Fischer | Head | — | 50 | ~1890 |
| John Fischer | Son | — | 19 | ~1921 |
| Joseph Fischer | Son | — | 11 | ~1929 |
| Frederick Fischer | Son | — | 16 | ~1924 |
| Elizabeth Fischer | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Wayne, Michigan
Son, age 9
Wayne, Michigan · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 19
Wayne-County, Michigan · implied b. ~1921 — 9 household members
| Surname | Fischer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 416 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Fischer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Fischer
Son · 1940 · age 19 · b. ~1921 · Michigan
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Sibling
Rose Fischer
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Fischer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Fischer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Fischer
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fischer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Fischer
Sibling · 1940 · age 4
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01873-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Peter Lombardo | 42 | Head | — | Italy |
| 42 | D'Agostino Lombardo | 48 | Wife | — | Italy |
| 43 | Mary Lombardo | 9 | Daughter | — | Michigan |
| 44 | Theresa Lombardo | 8 | Daughter | — | Michigan |
| 45 | August Lombardo | 3 | Son | — | Michigan |
| 46 | Gerald Haeisa | 35 | Head | Grinder | Michigan |
| 47 | Victoria Haeisa | 25 | Wife | — | Michigan |
| 48 | Leonard Haeisa | 2 | Son | — | Michigan |
| 49 | Ronald Haeisa | 0 | Son | — | Michigan |
| 50 | Nick Dutkia | 34 | Head | Grinder | Michigan |
| 51 | Sophie Dutkia | 32 | Wife | Punch Press Operator | Poland |
| 52 | Dorothy Dutkia | 14 | Daughter | — | Michigan |
| 53 | Lawrence Dutkia | 66 | Father | Labor | Poland |
| 54 | Helen Dutkia | 30 | Sister | — | Michigan |
| 55 | Anna Vogt | 62 | Head | — | Poland |
| 56 | Anna Marie Vogt | 19 | Daughter | Filing | Michigan |
| 57 | Conrad Demerith | 31 | Head | Clerk | Michigan |
| 58 | Eleanor Demerith | 25 | Wife | — | Michigan |
| 59 | Barbara Demerith | 4 | Daughter | — | Michigan |
| 60 | Walter Blum | 47 | Head | Inspector | Michigan |
| 61 | Freda Blum | 48 | Wife | — | Missouri |
| 62 | Walter Broedler | 31 | Lodger | Clerk | Germany |
| 63 | Joseph Fischer | 50 | Head | Sprayman | Austria |
| 64 | Elizabeth Fischer | 43 | Wife | — | Austria |
| 65 | Rose Anne Fischer | 24 | Daughter | Inspector | Michigan |
| 66 | Elizabeth Fischer | 22 | Daughter | Stenographer | Michigan |
| 67 | John Fischer THIS PERSON | 19 | Son | Clerk | Michigan |
| 68 | Mary Ann Fischer | 18 | Daughter | — | Michigan |
| 69 | Frederick Fischer | 16 | Son | — | Michigan |
| 70 | Joseph Jr. Fischer | 11 | Son | — | Michigan |
| 71 | Barbara Jane Fischer | 4 | Daughter | — | Michigan |
| 72 | Anna Trampezz | 63 | Head | — | Austria Hungary |
| 73 | Adeline Pawlicki | 44 | Head | Sewing | Poland |
| 74 | Theresa Pawlicki | 13 | Daughter | — | Michigan |
| 75 | Janette Pawlicki | 10 | Daughter | — | Michigan |
| 76 | Hattie Bojarski | 22 | Daughter | — | Michigan |
| 77 | Ben Hingle | 42 | Head | Mover | Pennsylvania |
| 78 | Stella Hingle | 37 | Wife | Cigar Maker | Michigan |
| 79 | Irene Hingle | 18 | Daughter | — | Michigan |
| 80 | Leona Hingle | 15 | Daughter | — | Michigan |
Related Census Records
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)