MH
Mary Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Harmon across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 7-person household.
Age 46
b. ~1894
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Harmon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1894 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Odelia Harmon | Daughter | — | 16 | ~1924 |
| Dorothy Harmon | Daughter | — | 15 | ~1925 |
| Vera Harmon | Daughter | — | 9 | ~1931 |
| Geraldine Harmon | Daughter | — | 10 | ~1930 |
| Verna Harmon | Daughter | — | 12 | ~1928 |
| John Harmon | Head | — | 51 | ~1889 |
| Mary Harmon | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Wayne, Michigan
Spouse, age 33
Wayne, Michigan · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 17 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Wayne-County, Michigan
Spouse, age 46
Wayne-County, Michigan · implied b. ~1894 — 7 household members
| Surname | Harmon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Mary Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harmon
Spouse · 1940 · age 46 · b. ~1894 · Michigan
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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 — 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-t0627-01854-00489)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Harmon | 51 | Head | Ditch Digger | South Carolina |
| 2 | Mary Harmon THIS PERSON | 46 | Wife | — | South Carolina |
| 3 | Odelia Harmon | 16 | Daughter | — | Michigan |
| 4 | Dorothy Harmon | 15 | Daughter | — | Michigan |
| 5 | Verna Harmon | 12 | Daughter | — | Michigan |
| 6 | Geraldine Harmon | 10 | Daughter | — | Michigan |
| 7 | Vera Harmon | 9 | Daughter | — | Michigan |
| 8 | Samuel Bradley | 36 | Head | Lathing | Georgia |
| 9 | Hazel Bradley | 30 | Wife | — | Georgia |
| 10 | Gloria Bradley | 14 | Daughter | — | Michigan |
| 11 | Florence Bradley | 12 | Daughter | — | Michigan |
| 12 | Samuel Jr. Bradley | 10 | Son | — | Michigan |
| 13 | Wiley Bradley | 9 | Son | — | Michigan |
| 14 | Rose Bradley | 8 | Daughter | — | Michigan |
| 15 | Lillian Bradley | 6 | Daughter | — | Michigan |
| 16 | James Bradley | 5 | Son | — | Michigan |
| 17 | Bertha Bradley | 3 | Daughter | — | Michigan |
| 18 | George Chuku | 51 | Head | Packing | Romania |
| 19 | George Jr. Chuku | 27 | Son | Machine Operator | Illinois |
| 20 | Mary Chuku | 25 | Daughter | Typist | Illinois |
| 21 | Jacob Tarnovsky | 49 | Head | Machine Operator | Russia |
| 22 | Dorothy Tarnovsky | 42 | Wife | — | Romania |
| 23 | George Tarnovsky | 25 | Son | Assorting | Canada-English |
| 24 | Michael Tarnovsky | 23 | Son | Clipper | Canada-English |
| 25 | Mary Tarnovsky | 21 | Daughter | Housework | Canada-English |
| 26 | Jessie Tarnovsky | 20 | Daughter | New Worker | Canada-English |
| 27 | Leo Tarnovsky | 15 | Son | — | Michigan |
| 28 | Edward Wolonier | 28 | Head | Cutter | New York |
| 29 | Rose Wolonier | 23 | Wife | Packer | Michigan |
| 30 | Constance Wolonier | 5 | Daughter | — | Michigan |
| 31 | Michael Slomka | 48 | Head | Press Operator | Poland |
| 32 | Josephine Slomka | 42 | Wife | — | Poland |
| 33 | Mary Slomka | 22 | Daughter | Seamstress | Michigan |
| 34 | Henry Slomka | 21 | Son | Office Clerk | Michigan |
| 35 | Stanley Slomka | 11 | Son | — | Michigan |
| 36 | Joe Yakimow | 58 | Head | Pool Room Proprietor | Russia |
| 37 | Georgia Yakimow | 52 | Wife | — | Russia |
| 38 | Sophia Zmitruk | 17 | Step Daughter | — | Michigan |
| 39 | John Stefaniak | 19 | Head | Upholstering | Michigan |
| 40 | Jane Stefaniak | 18 | Wife | — | 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)