JD
John Doherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Doherty across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 13-person household.
Age 18
b. ~1922
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Grosse Pointe Village |
| Est. Birth Year | ~1922 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Doherty | Son | — | 18 | ~1922 |
| Ernest Gibson | Other | — | 51 | ~1889 |
| Julia Hardy | Spouse | — | 26 | ~1914 |
| Dorothy Seymour | Daughter | — | 2 | ~1938 |
| Berna Sterba | Daughter | — | 35 | ~1905 |
| Joseph Hardy | Head | — | 30 | ~1910 |
| Kathleen Seymour | Daughter | — | 5 | ~1935 |
| Frank Lewis | Other | — | 51 | ~1889 |
| Marcella Seymour | Daughter | — | 7 | ~1933 |
| Otto Schuck | Other | — | 66 | ~1874 |
| Kathleen Seymour | Spouse | — | 28 | ~1912 |
| Scotch Seymour | Daughter | — | 8 | ~1932 |
| Marcelon Hegworth | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Wayne, Michigan
Son, age 8
Wayne, Michigan · implied b. ~1922 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 18
Wayne-County, Michigan · implied b. ~1922 — 13 household members
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Michigan |
| 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 Doherty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Doherty
Son · 1940 · age 18 · b. ~1922 · Michigan
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Sibling
Marcella Seymour
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berna Sterba
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcelon Hegworth
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Seymour
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Scotch Seymour
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Seymour
Sibling · 1940 · age 5
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
39 people indexed on this census page (nara:1940:m-t0627-01829-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Hardy | 30 | Head | Chauffeur | Michigan |
| 2 | Julia Hardy | 26 | Wife | — | Belgium |
| 3 | Frank Lewis | 51 | Hired man | House Man | England |
| 4 | Marcelon Hegworth | 20 | Daughter | — | Michigan |
| 5 | Otto Schuck | 66 | Gardner | Gardner | Germany |
| 6 | Berna Sterba | 35 | Daughter | — | Austria |
| 7 | Ernest Gibson | 51 | House man | House Man | Scotland |
| 8 | Scotch Seymour | 8 | Daughter | — | Michigan |
| 9 | Marcella Seymour | 7 | Daughter | — | Michigan |
| 10 | Kathleen Seymour | 5 | Daughter | — | Michigan |
| 11 | Dorothy Seymour | 2 | Daughter | — | Michigan |
| 12 | Kathleen Seymour | 28 | Wife | — | Michigan |
| 13 | John Doherty THIS PERSON | 18 | Son | — | Michigan |
| 14 | Homer Bell Knight | 85 | Head | — | Michigan |
| 15 | Catherine Beles | 45 | Servant | Servant | Hungary |
| 16 | Stephen L. Gatley | 30 | Servant | Servant | North Carolina |
| 17 | Anna Belle Tomlin | 25 | Servant | Servant | North Carolina |
| 18 | Henry S. Slyfield | 57 | Head | Lawyer | Michigan |
| 19 | Adel C. Slyfield | 50 | Wife | — | Michigan |
| 20 | Mary K. Slyfield | 18 | Daughter | — | Michigan |
| 21 | Stewart Slyfield | 16 | Son | — | Michigan |
| 22 | William Matthews | 31 | Servant | Servant | Alabama |
| 23 | Etta Matthews | 30 | Servant | Servant | Alabama |
| 24 | Alvin C. Mccord | 72 | Head | President | Illinois |
| 25 | Phyllis E. Mccord | 45 | Wife | — | Michigan |
| 26 | Darwell Hopps | 25 | Chauffeur | Chauffeur | Ohio |
| 27 | Genevieve Hopps | 39 | Servant | Maid | Wisconsin |
| 28 | Clara Plantz | 23 | Servant | Maid | Michigan |
| 29 | Laurel Nelson | 28 | Servant | Maid | South Dakota |
| 30 | Alma Morrison | 69 | Head | — | Michigan |
| 31 | Arnold Morrison | 32 | Son | Secretary + Manager | Germany |
| 32 | Edward J. Schmidt | 74 | Brother | President | Michigan |
| 33 | Helen Lundgren | 57 | Employee | Secretary | Germany |
| 34 | Helen Sarsor | 38 | Servant | Maid | Ohio |
| 35 | Ada Tappola | 45 | Servant | Maid | Finland |
| 36 | Christine Kontley | 52 | Servant | Maid | — |
| 37 | William Joyce | 22 | Head | Bus Driver | Michigan |
| 38 | Evelyn Joyce | 20 | Wife | — | Michigan |
| 39 | William Joyce | 0 | Son | — | Michigan |
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)