MD
Mary Dean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Dean across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1909), then head of a 8-person household.
Age 31
b. ~1909
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Dean |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1909 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Draughon | Daughter | — | 5 | ~1935 |
| Prince Dean | Head | — | 43 | ~1897 |
| Louisiana Gill | Other | — | 36 | ~1904 |
| Donald Dean | Son | — | 1 | ~1939 |
| John Dean | Son | — | 3 | ~1937 |
| James Dean | Son | — | 6 | ~1934 |
| Charlie Dean | Son | — | 5 | ~1935 |
| Mary Dean | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Wayne, Michigan
Other, age 20
Wayne, Michigan · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Mary |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Maid |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Wayne-County, Michigan
Spouse, age 31
Wayne-County, Michigan · implied b. ~1909 — 8 household members
| Surname | Dean |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Dean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dean
Spouse · 1940 · age 31 · b. ~1909 · 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-t0627-01846-00178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Belle Dye | 62 | Head | Cement Finisher | Tennessee |
| 42 | Roswell Anderson | 34 | Lodger | Cement Finisher | Mississippi |
| 43 | Jesse Bailey | 39 | Head | Laborer | Tennessee |
| 44 | Hattie Bailey | 38 | Wife | — | Georgia |
| 45 | Cleonito Dair | 40 | Lodger | Porter | Tennessee |
| 46 | Richard Brown | 39 | Lodger | Laborer | Tennessee |
| 47 | James D Smith | 30 | Lodger | Porter | Alabama |
| 48 | Edward Clark | 35 | Head | Laborer | Missouri |
| 49 | Velma Clark | 33 | Wife | — | Louisiana |
| 50 | Lonnie Turner | 25 | Lodger | Truck Driver | Massachusetts |
| 51 | Thelma Turner | 20 | Lodger | — | Georgia |
| 52 | Harold Johnson | 25 | Lodger | Heater | Michigan |
| 53 | Katie Johnson | 23 | Lodger | — | Georgia |
| 54 | Thomas Hadley | 33 | Lodger | Heater | Arkansas |
| 55 | Prince Dean | 43 | Head | Millwright | Alabama |
| 56 | Mary Dean THIS PERSON | 31 | Wife | — | Alabama |
| 57 | James Dean | 6 | Son | — | Michigan |
| 58 | Charlie Dean | 5 | Son | — | Michigan |
| 59 | John Allen Dean | 3 | Son | — | Michigan |
| 60 | Donald Dean | 1 | Son | — | Michigan |
| 61 | Louisiana Gill | 36 | Sister in law | Maid | Alabama |
| 62 | Mary Draughon | 5 | Daughter | Iron Worker | Michigan |
| 63 | Joe Price | 31 | Head | Core Worker | Florida |
| 64 | Lucille Price | 27 | Wife | — | Georgia |
| 65 | Marie Campbell | 22 | Daughter | Maid | Georgia |
| 66 | Delores Campbell | 7 | Grand daughter | — | Michigan |
| 67 | Matthew Bibb | 52 | Lodger | Janitor | Kentucky |
| 68 | Willie Cook | 25 | Head | Repairer | Georgia |
| 69 | Lee Mae Cook | 23 | Wife | — | Tennessee |
| 70 | Willie Jr Cook | 3 | Son | New Worker | Michigan |
| 71 | Rosie Mae Ford | 25 | Niece | — | Tennessee |
| 72 | Doris Ford | 8 | Niece | — | Michigan |
| 73 | George Brook | 30 | Niece | Stock Checker | Mississippi |
| 74 | John Cowan | 27 | Lodger | Laborer | Georgia |
| 75 | John B Blount | 48 | Head | Bottom Man | Georgia |
| 76 | Rose Blount | 39 | Wife | — | Florida |
| 77 | Rose Mary Blount | 22 | Daughter | New Worker | Florida |
| 78 | Willie Blount | 17 | Son | — | Florida |
| 79 | Mary Porter | 46 | Head | Seamstress | Georgia |
| 80 | Brown Ruff | 43 | Brother | Laborer | Georgia |
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)