MT
Mary Thornton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, Michigan
Our Model Tree links this Mary Thornton across the 1920, 1930 and 1940 US Censuses in Calhoun-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Michigan |
| Surname | Thornton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Battle Creek Twp |
| Additional Details | |
| Highest Grade | No 8 8 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Battle Creek Twp |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Thornton | Daughter | — | 14 | ~1926 |
| Anna Thornton | Daughter | — | 6 | ~1934 |
| Leo Thornton | Head | — | 45 | ~1895 |
| Mary Thornton | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Calhoun, Michigan
Other, age 27
Calhoun, Michigan · implied b. ~1893 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thornton |
| Given Name | Mary |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Calhoun, Michigan
Spouse, age 35
Calhoun, Michigan · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thornton |
| Given Name | May S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Calhoun-County, Michigan
Spouse, age 46
Calhoun-County, Michigan · implied b. ~1894 — 4 household members
| Surname | Thornton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Battle Creek Twp |
| Highest Grade | No 8 8 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Thornton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Thornton
Spouse · 1940 · age 46 · b. ~1894 · 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 — Calhoun-County, Michigan
Open full size
1940 US Federal Census — Calhoun-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01736-00679)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Travis James Frey | 3 | Son | — | Michigan |
| 42 | Omer Frey | 25 | Head | Dryer Man | Ohio |
| 43 | Nadine B Frey | 22 | Wife | — | Michigan |
| 44 | David Frey | 4 | Son | — | Michigan |
| 45 | Beth Ann Frey | 1 | Daughter | — | Michigan |
| 46 | Dick Norton | 39 | Head | Accountant | Michigan |
| 47 | Henrietta Norton | 34 | Wife | — | Michigan |
| 48 | Janet Norton | 5 | Daughter | — | Michigan |
| 49 | Ellsworth Jarvis | 45 | Head | Moulder | Wisconsin |
| 50 | Ilonna Jarvis | 37 | Wife | — | Michigan |
| 51 | Doris M Jarvis | 16 | Daughter | — | Michigan |
| 52 | Mavis J Jarvis | 12 | Daughter | — | Michigan |
| 53 | Leo Thornton | 45 | Head | Machinist | Michigan |
| 54 | Mary Thornton THIS PERSON | 46 | Wife | — | Illinois |
| 55 | Betty J Thornton | 14 | Daughter | — | Michigan |
| 56 | Anna D Thornton | 6 | Daughter | — | Michigan |
| 57 | Norman Wood | 37 | Head | Rural Engineer | Michigan |
| 58 | Helen D Wood | 27 | Wife | — | Washington |
| 59 | Charles Benford | 61 | Father-in-law | Representative | Idaho |
| 60 | Anna Benford | 59 | Mother-in-law | — | Germany |
| 61 | Cecil Rosine | 29 | Head | Carpenter | Michigan |
| 62 | Lucile Rosine | 20 | Wife | — | Michigan |
| 63 | Albert T Rosine | 5 | Son | — | Michigan |
| 64 | Jean Tooley | 14 | Sister-in-law | — | Michigan |
| 65 | Raymond Skeldon | 37 | Head | Office Clerk | Michigan |
| 66 | Julia Skeldon | 37 | Wife | Sales Clerk | Michigan |
| 67 | Robert Skeldon | 13 | Son | — | Michigan |
| 68 | Joseph Mcmanus | 43 | Head | Captain Fire Dept | New York |
| 69 | Margaret Mcmanus | 43 | Wife | — | Michigan |
| 70 | Joseph Mcmanus | 9 | Son | — | Michigan |
| 71 | Chris Nyberg | 51 | Head | Assistant Chief Engineer | Denmark |
| 72 | Emma Nyberg | 46 | Wife | — | Indiana |
| 73 | Harold Nyberg | 10 | Son | — | Indiana |
| 74 | Leo (A.B.) Eveleth | 39 | Head | Special Representative | Michigan |
| 75 | Hilda Eveleth | 37 | Wife | — | Michigan |
| 76 | Lavone Eveleth | 17 | Daughter | — | Michigan |
| 77 | Richard Eveleth | 15 | Son | — | Michigan |
| 78 | Leo Eveleth | 13 | Son | — | Michigan |
| 79 | Patricia Eveleth | 10 | Daughter | — | Michigan |
| 80 | Extra Line | None | — | — | — |
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)