MC
Mary Conley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hillsdale-County, Michigan
Our Model Tree links this Mary Conley across the 1920, 1930 and 1940 US Censuses in Hillsdale-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 2-person household.
Age 75
b. ~1865
Female
Head
Born: Michigan
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Hillsdale-County, Michigan |
| Surname | Conley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Woodbridge Twp. |
| 1935 Residence (County) | Hillsdale |
| Additional Details | |
| Occupation | Housework |
| Industry | Farm |
| Income (1939) | 500 |
| Highest Grade | G 8 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Housework |
| Township / Ward | Woodbridge Twp |
| Est. Birth Year | ~1865 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Conley | Head | — | 75 | ~1865 |
| Floyd Conley | Son | — | 56 | ~1884 |
Census Appearances
1920
Hillsdale, Michigan
Spouse, age 55
Hillsdale, Michigan · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conley |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Michigan |
| Naturalization Status | Naturalized |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Hillsdale, Michigan
Other, age 67
Hillsdale, Michigan · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conley |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Hillsdale-County, Michigan
Head, age 75
Hillsdale-County, Michigan · implied b. ~1865 — 2 household members
| Surname | Conley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Woodbridge Twp. |
| 1935 Residence (County) | Hillsdale |
| Occupation | Housework |
| Industry | Farm |
| Income (1939) | 500 |
| Highest Grade | G 8 |
| 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 Conley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Conley
Head · 1940 · age 75 · b. ~1865 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hillsdale-County, Michigan
Open full size
1940 US Federal Census — Hillsdale-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01755-00776)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virginia Shamour | 10 | Daughter | — | Michigan |
| 2 | Betty Shamour | 9 | Daughter | — | Michigan |
| 3 | Donna Shamour | 7 | Daughter | — | Michigan |
| 4 | James Shamour | 5 | Son | — | Michigan |
| 5 | Carl Shamour | 3 | Son | — | Michigan |
| 6 | Lester G. Barrington | 50 | Head | Farmer | Michigan |
| 7 | Grace E. Barrington | 44 | Wife | Housework | Michigan |
| 8 | Florentine A. Barrington | 9 | Daughter | — | Michigan |
| 9 | Ira W. Barrington | 20 | Son | Farm Laborer | Michigan |
| 10 | William H. Warfield | 62 | Head | School Teacher | Ohio |
| 11 | Emma L. Warfield | 58 | Wife | — | Michigan |
| 12 | Nora W. Reed | 84 | Mother-in-law | — | Ohio |
| 13 | Virgil H. Hilton | 38 | Head | Farmer | Indiana |
| 14 | Lucy M. Hilton | 32 | Wife | Housework | Ohio |
| 15 | Eva Crampton | 75 | Head | — | Michigan |
| 16 | Chas H. Radabaugh | 80 | Head | Farmer | Ohio |
| 17 | Rose F. Radabaugh | 69 | Wife | Housework | Michigan |
| 18 | M. H. Foster | 73 | Brother-in-law | — | Michigan |
| 19 | Ryan Green | 24 | Head | Laborer | Michigan |
| 20 | Viola Green | 25 | Wife | Housework | Michigan |
| 21 | Shirley Ann Green | 3 | Daughter | — | Michigan |
| 22 | Donald L. Green | 1 | Son | — | Michigan |
| 23 | Mary Conley THIS PERSON | 75 | Head | Housework | Michigan |
| 24 | Floyd E. Conley | 56 | Son | Farm Hand | Michigan |
| 25 | Lawrence H. Emerson | 45 | Head | Farm Work | Ohio |
| 26 | Wilda F. Emerson | 32 | Wife | Housework | Ohio |
| 27 | Elie E. Emerson | 13 | Son | — | Ohio |
| 28 | Hellen M. Emerson | 11 | Daughter | — | Ohio |
| 29 | Lorna L. Emerson | 10 | Daughter | — | Ohio |
| 30 | Loren T. Emerson | 6 | Son | — | Ohio |
| 31 | Cloyd G. Dunlap | 30 | Head | Laborer | Ohio |
| 32 | Luella M. Dunlap | 26 | Wife | — | Michigan |
| 33 | Leola R. Dunlap | 8 | Daughter | — | Michigan |
| 34 | Shirley B. Dunlap | 2 | Daughter | — | Michigan |
| 35 | Elsworth H. Carter | 49 | Head | Farmer | Ohio |
| 36 | Mary E. Carter | 49 | Wife | Housework | Ohio |
| 37 | Sandra L. Carter | 14 | Daughter | — | Michigan |
| 38 | Mary L. Carter | 12 | Daughter | — | Michigan |
| 39 | Bobby G. Carter | 7 | Son | — | Michigan |
| 40 | Doyle Sanburn | 23 | Head | Farmer | 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)