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John Blair — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Blair across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Blair |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Detroit city |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Income (1939) | 3000 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Teacher |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1885 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jane Blair | Daughter | — | 19 | ~1921 |
| Elva Blair | Daughter | — | 17 | ~1923 |
| John Blair | Head | — | 55 | ~1885 |
| Richard Blair | Son | — | 23 | ~1917 |
| Frances Blair | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Wayne, Michigan
Head, age 35
Wayne, Michigan · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Manual Training |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Wayne, Michigan
Head, age 45
Wayne, Michigan · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 25 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Barber |
| Industry | Public Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 20,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wayne-County, Michigan
Head, age 55
Wayne-County, Michigan · implied b. ~1885 — 5 household members
| Surname | Blair |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Detroit city |
| 1935 Residence (County) | Wayne |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Income (1939) | 3000 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Blair across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Blair
Head · 1940 · age 55 · b. ~1885 · Michigan
★ You are viewing this record
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-t0627-01890-00962)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ilene Whittaker | 4 | Daughter | — | Michigan |
| 42 | Earl Whittaker | 3 | Son | — | Michigan |
| 43 | Rita Whittaker | 1 | Daughter | — | Michigan |
| 44 | Harald Matshiak | 32 | Head | Chauffeur | Michigan |
| 45 | Marie Matshiak | 31 | Wife | — | Michigan |
| 46 | Joanne Matshiak | 5 | Daughter | — | Michigan |
| 47 | Joseph Monette | 45 | Head | Job Setter | Michigan |
| 48 | Mabel Monette | 46 | Wife | — | Canada-English |
| 49 | Owen Monette | 19 | Son | Assembler | Michigan |
| 50 | Robert Graves | 39 | Head | Grocery Proprietor | Michigan |
| 51 | Esther Graves | 26 | Wife | — | Michigan |
| 52 | John Graves | 1 | Son | — | Michigan |
| 53 | John E. Blair THIS PERSON | 55 | Head | Teacher | Kansas |
| 54 | Frances Blair | 57 | Wife | — | Kansas |
| 55 | Richard Blair | 23 | Son | Waiter | Michigan |
| 56 | Jane A. Blair | 19 | Daughter | — | Michigan |
| 57 | Elva Blair | 17 | Daughter | — | Michigan |
| 58 | Andrew Siegel | 58 | Head | Bricklayer | Michigan |
| 59 | Katherine Siegel | 58 | Wife | Saleswoman | Michigan |
| 60 | Delbert A. Burke | 40 | Head | District Repair Foreman | Canada-English |
| 61 | Lillian Burke | 33 | Wife | — | England |
| 62 | Beverly Ann Burke | 6 | Daughter | — | Michigan |
| 63 | Dennis Burke | 4 | Son | — | Michigan |
| 64 | Terrence Burke | 2 | Son | — | Michigan |
| 65 | Delbert E. Burke | 14 | Nephew | — | Michigan |
| 66 | Frampton Bloom | 40 | Head | Gas Station Operator | Pennsylvania |
| 67 | Lillian Bloom | 43 | Wife | — | Alabama |
| 68 | Lee Bloom | 5 | Son | — | Pennsylvania |
| 69 | Lloyd L. Wallace | 49 | Head | Carpenter | New York |
| 70 | Marguerite Wallace | 42 | Wife | — | New York |
| 71 | Lloyd D. Wallace | 18 | Son | — | Michigan |
| 72 | Jane Ann Wallace | 16 | Daughter | — | Michigan |
| 73 | Norman Marengo | 49 | Head | Automobile Salesman | Michigan |
| 74 | Wilfrida Marengo | 43 | Wife | — | Canada-English |
| 75 | Bruce Marengo | 20 | Son | Commercial Artist | Michigan |
| 76 | James Marengo | 19 | Son | — | Michigan |
| 77 | Henry A. Braasch | 65 | Head | Salesman | New Jersey |
| 78 | Elizabeth Braasch | 62 | Wife | — | Ohio |
| 79 | — | None | — | — | — |
| 80 | Gordon R. Baxter | 47 | Head | Real Estate Broker & Insurance Agent | Scotland |
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)