MF
Mary French — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washtenaw-County, Michigan
Our Model Tree links this Mary French across the 1930 and 1940 US Censuses in Washtenaw-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washtenaw-County, Michigan |
| Surname | French |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Dexter Township |
| 1935 Residence (County) | Washtenaw |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Dexter Township |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jeanette French | Daughter | — | 8 | ~1932 |
| Janet French | Daughter | — | 8 | ~1932 |
| Gloria French | Daughter | — | 13 | ~1927 |
| Mary French | Daughter | — | 14 | ~1926 |
| Harry French | Head | — | 50 | ~1890 |
| Harry French | Son | — | 18 | ~1922 |
| Richard French | Son | — | 6 | ~1934 |
| Leonard French | Son | — | 15 | ~1925 |
| Helen French | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Washtenaw, Michigan
Daughter, age 4
Washtenaw, Michigan · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Washtenaw-County, Michigan
Daughter, age 14
Washtenaw-County, Michigan · implied b. ~1926 — 9 household members
| Surname | French |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Dexter Township |
| 1935 Residence (County) | Washtenaw |
| Highest Grade | H 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 French across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary French
Daughter · 1940 · age 14 · b. ~1926 · Michigan
★ You are viewing this record
Sibling
Richard French
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard French
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry French
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet French
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette French
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria French
Sibling · 1940 · age 13
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 — Washtenaw-County, Michigan
Open full size
1940 US Federal Census — Washtenaw-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01823-00992)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl G. Gasser | 15 | Son | — | Michigan |
| 42 | Norwin Gasser | 12 | Son | — | Michigan |
| 43 | Arlene M. Gasser | 1 | Daughter | — | Michigan |
| 44 | Anthony Kapelouski | 67 | Head | Watchman | Poland |
| 45 | Olga Kapelouski | 51 | Wife | — | Russia |
| 46 | Stanley Kapelouski | 17 | Son | — | Michigan |
| 47 | Frank S. Tarnacki | 50 | Head | Farming | Poland |
| 48 | Stella H. Tarnacki | 37 | Wife | — | Poland |
| 49 | Edward A. Tarnacki | 19 | Son | — | Michigan |
| 50 | Joseph S. Tarnacki | 18 | Son | — | Michigan |
| 51 | Leona Tarnacki | 14 | Daughter | — | Michigan |
| 52 | Walter F. Tarnacki | 12 | Son | — | Michigan |
| 53 | Rose Marie Tarnacki | 10 | Daughter | — | Michigan |
| 54 | Stanley Bujinski | 52 | Uncle | — | Poland |
| 55 | Fred G. Klunk | 27 | Head | Farming | Michigan |
| 56 | Geraldine A. Klunk | 21 | Wife | — | Michigan |
| 57 | Mary Ann Klunk | 5 | Daughter | — | Michigan |
| 58 | Fred G. Jr. Klunk | 1 | Son | — | Michigan |
| 59 | Charles Ernst | 45 | Head | Farming | Michigan |
| 60 | Mary C. Ernst | 70 | Mother | — | Michigan |
| 61 | Harry J. French | 50 | Head | Carpentry | Michigan |
| 62 | Helen M. French | 45 | Wife | — | Michigan |
| 63 | Harry G. French | 18 | Son | Carpentry | Michigan |
| 64 | Leonard J. French | 15 | Son | — | Michigan |
| 65 | Mary French THIS PERSON | 14 | Daughter | — | Michigan |
| 66 | Gloria J. French | 13 | Daughter | — | Michigan |
| 67 | Jeanette French | 8 | Daughter | — | Michigan |
| 68 | Janet J. French | 8 | Daughter | — | Michigan |
| 69 | Richard L. French | 6 | Son | — | Michigan |
| 70 | Samuel J. Wheeler | 79 | Head | — | Michigan |
| 71 | Mary E. Wheeler | 70 | Wife | — | Michigan |
| 72 | Ray H. Wheeler | 48 | Son | Carpenter | Michigan |
| 73 | Wm M. Struck | 40 | Head | Tool Designing | Michigan |
| 74 | Harriet H. Struck | 45 | Wife | — | Syria |
| 75 | James A. Struck | 19 | Son | — | Michigan |
| 76 | Geraldine M. Struck | 17 | Daughter | — | Michigan |
| 77 | Eleanor J. Struck | 15 | Daughter | — | Michigan |
| 78 | Ella Jane Struck | 72 | Mother | — | Michigan |
| 79 | Etta S. Armstrong | 71 | Head | — | Michigan |
| 80 | Casper E. Howard | 50 | Head | Mechanic | 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)