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Jack Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tuscola-County, Michigan
Our Model Tree links this Jack Johnson across the 1930 and 1940 US Censuses in Tuscola-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscola-County, Michigan |
| Surname | Johnson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Koylton |
| 1935 Residence (County) | Tuscola |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Koylton |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Shirley Johnson | Daughter | — | 3 | ~1937 |
| Betty Johnson | Daughter | — | 7 | ~1933 |
| Claude Johnson | Head | — | 50 | ~1890 |
| Martha Johnson | Other | — | 80 | ~1860 |
| Harry Johnson | Son | — | 10 | ~1930 |
| Marvin Johnson | Son | — | 5 | ~1935 |
| Jack Johnson | Son | — | 11 | ~1929 |
| William Johnson | Son | — | 13 | ~1927 |
| Norman Johnson | Son | — | 6 | ~1934 |
| Mabel Johnson | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Tuscola, Michigan
Son, age 1
Tuscola, Michigan · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Tuscola-County, Michigan
Son, age 11
Tuscola-County, Michigan · implied b. ~1929 — 10 household members
| Surname | Johnson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Koylton |
| 1935 Residence (County) | Tuscola |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 Jack Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Johnson
Son · 1940 · age 11 · b. ~1929 · Michigan
★ You are viewing this record
Sibling
Shirley Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnson
Sibling · 1940 · age 13
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 — Tuscola-County, Michigan
Open full size
1940 US Federal Census — Tuscola-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01821-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Douglas B. Owen | 0 | Son | — | Michigan |
| 42 | Joseph Ferraro | 59 | Head | Occupation | Italy |
| 43 | Mary Ferraro | 52 | Wife | — | Italy |
| 44 | Emma Blauvelt | 79 | Head | — | New York |
| 45 | William Brooks | 48 | Head | Farmer | Michigan |
| 46 | Mildred Brooks | 45 | Wife | — | Michigan |
| 47 | Albion Mrs. Daniel | 81 | Mother-in-law | — | Canada |
| 48 | Park Bishop | 65 | Head | Farmer | Michigan |
| 49 | Ida Bishop | 65 | Wife | — | Michigan |
| 50 | Geo Pavey | 51 | Head | Fireman | Rumania |
| 51 | Katherine Pavey | 35 | Wife | — | Rumania |
| 52 | Gregory Bauer | 58 | Head | Farmer | Michigan |
| 53 | Hortense Bauer | 56 | Wife | — | Michigan |
| 54 | Mildred Bauer | 15 | Daughter | — | Michigan |
| 55 | Robert Bauer | 11 | Son | — | Michigan |
| 56 | Claude Johnson | 50 | Head | Farmer | Michigan |
| 57 | Mabel Johnson | 45 | Wife | — | Michigan |
| 58 | William Johnson | 13 | Son | — | Michigan |
| 59 | Jack Johnson THIS PERSON | 11 | Son | — | Michigan |
| 60 | Harry Johnson | 10 | Son | — | Michigan |
| 61 | Betty J. Johnson | 7 | Daughter | — | Michigan |
| 62 | Norman Johnson | 6 | Son | — | Michigan |
| 63 | Marvin Johnson | 5 | Son | — | Michigan |
| 64 | Shirley Ann Johnson | 3 | Daughter | — | Michigan |
| 65 | Martha Johnson | 80 | Mother | — | Michigan |
| 66 | Floyd Horner | 20 | Head | Farmer | Michigan |
| 67 | Janetta Horner | 22 | Wife | — | Michigan |
| 68 | Robert Horner | 24 | Brother | Farm Laborer | Michigan |
| 69 | Peter Clarke | 46 | Head | Farmer | Rumania |
| 70 | Victoria Clarke | 42 | Wife | — | Rumania |
| 71 | Mary Clarke | 14 | Daughter | — | Michigan |
| 72 | Peter Jr. Clarke | 11 | Son | — | Michigan |
| 73 | Jimmy Clarke | 8 | Son | — | Michigan |
| 74 | Paul Poliak | 44 | Head | Farmer | Russia |
| 75 | Rosie Poliak | 26 | Wife | — | New Jersey |
| 76 | Andrew Poliak | 10 | Son | — | Michigan |
| 77 | Annabelle Poliak | 6 | Daughter | — | Michigan |
| 78 | Isabelle Poliak | 6 | Daughter | — | Michigan |
| 79 | Joseph Poliak | 4 | Son | — | Michigan |
| 80 | Paul Junior Poliak | 0 | Son | — | 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)