MR
Mary Richard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Richard across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Richard |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| Noreen Richard | Daughter | — | 17 | ~1923 |
| Annabella Richard | Daughter | — | 15 | ~1925 |
| Julette Richard | Spouse | — | 46 | ~1894 |
| Mary Richard | Daughter | — | 19 | ~1921 |
| James Richard | Son | — | 16 | ~1924 |
| James Richard | Head | — | 48 | ~1892 |
| Margaret Richard | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 8
Wayne, Michigan · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richard |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 19
Wayne-County, Michigan · implied b. ~1921 — 7 household members
| Surname | Richard |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 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 Mary Richard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Richard
Daughter · 1940 · age 19 · b. ~1921 · Michigan
★ You are viewing this record
Sibling
James Richard
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Richard
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabella Richard
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Noreen Richard
Sibling · 1940 · age 17
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
40 people indexed on this census page (nara:1940:m-t0627-01877-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Garbinski | 4 | Daughter | — | Michigan |
| 42 | Joseph Polezzi | 55 | Head | — | Italy |
| 43 | Isabelle Polezzi | 54 | Wife | — | Italy |
| 44 | Angelo Polezzi | 18 | Son | Laborer | Michigan |
| 45 | Elsa Polezzi | 15 | Daughter | — | Michigan |
| 46 | Joseph Jr. Polezzi | 13 | Son | — | Michigan |
| 47 | Frank Polezzi | 11 | Son | — | Michigan |
| 48 | August Polezzi | 9 | Son | — | Michigan |
| 49 | Lucille Polezzi | 5 | Daughter | — | Michigan |
| 50 | Edgar Stevens | 37 | Head | Assembler | Missouri |
| 51 | Margaret Stevens | 36 | Wife | — | Tennessee |
| 52 | James Adair | 66 | Boarder | — | Tennessee |
| 53 | Clarence Jackson | 55 | Boarder | Laborer | Tennessee |
| 54 | Ann Parker | 27 | Lodger | Beauty-Operator | Ohio |
| 55 | Webster Terrell | 72 | Head | Janitor | Kentucky |
| 56 | Sadie Terrell | 34 | Wife | — | Michigan |
| 57 | Norris Terrell | 12 | Daughter | — | Michigan |
| 58 | Webster Jr. Terrell | 11 | Son | — | Michigan |
| 59 | David Terrell | 9 | Son | — | Michigan |
| 60 | Alice Terrell | 7 | Daughter | — | Michigan |
| 61 | Cora Terrell | 1 | Daughter | — | Michigan |
| 62 | Shirley Moore | 39 | Partner | Sale Man | Canada Eng. |
| 63 | Frieda Moore | 29 | Partner-Wife | — | Ohio |
| 64 | Ethan Leppey | 72 | Head | Assembler | Michigan |
| 65 | Mabel Leppey | 46 | Wife | — | Michigan |
| 66 | Elmer Leppey | 20 | Son | Mill Hand | Michigan |
| 67 | Irene Leppey | 17 | Daughter | — | Michigan |
| 68 | Robert Leppey | 15 | Son | — | Michigan |
| 69 | Louis Leppey | 8 | Son | — | Michigan |
| 70 | James Richard | 48 | Head | Trimer | Italy |
| 71 | Julette Richard | 46 | Wife | — | Canada French |
| 72 | Mary Richard THIS PERSON | 19 | Daughter | — | Michigan |
| 73 | Noreen Richard | 17 | Daughter | — | Canada French |
| 74 | Margaret Richard | 16 | Daughter | — | Canada French |
| 75 | Annabella Richard | 15 | Daughter | — | Michigan |
| 76 | James Jr. Richard | 16 | Son | — | Michigan |
| 77 | Sam Accettura | 31 | Head | Machinist | Italy |
| 78 | Lucy Accettura | 24 | Wife | — | Italy |
| 79 | Jean Accettura | 5 | Daughter | — | Michigan |
| 80 | Mary Accettura | 2 | Daughter | — | 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)