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Mary Huff — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Missouri
Our Model Tree links this Mary Huff across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 2-person household.
Age 77
b. ~1863
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Missouri |
| Surname | Huff |
| Given Name | Mary C. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Appleton City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | S 0 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Appleton City |
| Est. Birth Year | ~1863 |
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 Huff | Head | — | 77 | ~1863 |
| Bertie Huff | Son | — | 60 | ~1880 |
Census Appearances
1920
St Clair, …
Spouse, age 58
St Clair, Missouri · implied b. ~1862 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huff |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
St Clair, …
Spouse, age 68
St Clair, Missouri · implied b. ~1862 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Houff |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 16 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Missouri
Head, age 77
St.-Clair-County, Missouri · implied b. ~1863 — 2 household members
| Surname | Huff |
| Given Name | Mary C. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Appleton City |
| 1935 Residence (County) | St. Clair |
| Highest Grade | S 0 |
| 1935 Residence | Same place |
| 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 Huff 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 Huff
Head · 1940 · age 77 · b. ~1863 · Missouri
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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 — St.-Clair-County, Missouri
Open full size
1940 US Federal Census — St.-Clair-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02145-00771)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida M. Payne | 46 | Daughter | Sales Lady | Missouri |
| 42 | John Dixon | 85 | Head | — | Kentucky |
| 43 | Susie Dixon | 81 | Wife | — | Missouri |
| 44 | Merl H. Sargent | 45 | Head | Laborer | Iowa |
| 45 | Velma H. Sargent | 42 | Wife | — | Missouri |
| 46 | Faye N. Sargent | 19 | Daughter | Librarian | Missouri |
| 47 | Virginia M. Sargent | 14 | Daughter | — | Missouri |
| 48 | Mary C. Huff THIS PERSON | 77 | Head | — | Illinois |
| 49 | Bertie E. Huff | 60 | Son | — | Missouri |
| 50 | Henry Sallichtman | 52 | Head | Owner | Missouri |
| 51 | Viola S. Sallichtman | 55 | Wife | — | Missouri |
| 52 | Beulah Boyce | 31 | Housekeeper | House Keeper | Missouri |
| 53 | Walter L. Dickson | 26 | Head | Teacher | Missouri |
| 54 | Virginia E. Dickson | 19 | Wife | — | Missouri |
| 55 | Floyd Bowman | 44 | Head | Owner And Operator | Missouri |
| 56 | Lela Bowman | 39 | Wife | — | Missouri |
| 57 | Anna E. Dunn | 83 | Head | — | Ohio |
| 58 | Arthur L. Hansen | 39 | Head | Medical Doctor | Iowa |
| 59 | Elizabeth L. Hansen | 35 | Wife | Receptionist | Missouri |
| 60 | Thelma F. Bowe | 10 | Wife | — | Missouri |
| 61 | Charles S. Mcconnell | 59 | Head | Manager | Missouri |
| 62 | Edna Mae Mcconnell | 50 | Wife | — | Missouri |
| 63 | Frank Lee | 68 | Head | Owner And Operator | Missouri |
| 64 | Nora G. Lee | 47 | Wife | — | Missouri |
| 65 | Mildred Shoemaker | 25 | Housekeeper | House Keeper | Missouri |
| 66 | Mary E. Hedrick | 58 | Head | — | Indiana |
| 67 | Norma E. Bush | 13 | Daughter | — | Missouri |
| 68 | George E. Snider | 47 | Head | Owner And Operator | Missouri |
| 69 | Lilly A. Snider | 43 | Wife | Waitress | Missouri |
| 70 | Reva Jewell Snider | 13 | Daughter | — | Missouri |
| 71 | Dixie Lee Snider | 8 | Daughter | — | Missouri |
| 72 | Charles E. Wynes | 32 | Head | Owner And Operator | Missouri |
| 73 | Ruth M. Wynes | 31 | Wife | — | Missouri |
| 74 | Kathrine Dinsfield | 81 | Head | — | Missouri |
| 75 | Isabel C. Schroyer | 48 | Housekeeper | House Keeper | Missouri |
| 76 | Grant Taylor | 72 | Head | — | Illinois |
| 77 | Allie Taylor | 58 | Wife | — | Illinois |
| 78 | Edward Brooks | 68 | Head | — | Illinois |
| 79 | Mary L. Powell | 68 | Head | — | Missouri |
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)