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Mary Weeks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Mary Weeks across the 1920, 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 3-person household.
Age 79
b. ~1861
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Weeks |
| Given Name | Mary B. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Aurora City |
| 1935 Residence (County) | Kane |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Aurora City |
| Est. Birth Year | ~1861 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Weeks | Son | — | 48 | ~1892 |
| Mary Weeks | Head | — | 79 | ~1861 |
| Margaret Weeks | Other | — | 49 | ~1891 |
Census Appearances
1920
Henry, Illinois
Spouse, age 59
Henry, Illinois · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Weeks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Henry, Illinois
Spouse, age 69
Henry, Illinois · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Weeks |
| Given Name | Mary B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Head, age 79
Henry-County, Illinois · implied b. ~1861 — 3 household members
| Surname | Weeks |
| Given Name | Mary B. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Aurora City |
| 1935 Residence (County) | Kane |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 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 Weeks 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 Weeks
Head · 1940 · age 79 · b. ~1861 · Illinois
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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 — Henry-County, Illinois
Open full size
1940 US Federal Census — Henry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00812-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Homer Scovil | 41 | Head | Principal Teacher | Illinois |
| 42 | Louise Scovil | 34 | Wife | — | Illinois |
| 43 | Mary Louise Scovil | 12 | Daughter | — | Illinois |
| 44 | Dorothy Ann Scovil | 9 | Daughter | — | Illinois |
| 45 | Sarah Hewitt | 73 | Head | — | Illinois |
| 46 | Henry N. Young | 32 | Head | Clerk | Illinois |
| 47 | Mary E. Young | 29 | Wife | — | Illinois |
| 48 | Henry E. Young | 4 | Son | — | Illinois |
| 49 | Richard P. Young | 1 | Son | — | Illinois |
| 50 | Frederick Piper | 43 | Head | President | Illinois |
| 51 | Lores Piper | 40 | Wife | — | Arkansas |
| 52 | Frederick Jr. Piper | 20 | Son | — | Arkansas |
| 53 | William J. Piper | 18 | Son | — | Arkansas |
| 54 | Frank B. Termonet | 48 | Head | Proprietor | Illinois |
| 55 | Winifred Termonet | 48 | Wife | — | Illinois |
| 56 | James Termonet | 12 | Son | — | Illinois |
| 57 | Charles Semmler | 57 | Head | Moulder Equipment | Pennsylvania |
| 58 | Harriet Semmler | 44 | Wife | — | Illinois |
| 59 | Franz Szabo | 44 | Head | Mech. Engineer | Austria |
| 60 | Mary A. Szabo | 49 | Wife | — | Illinois |
| 61 | Winifred J. Spence | 24 | Niece | Receptionist | Illinois |
| 62 | John W. Lambert | 32 | Head | Civil Engineer | Ohio |
| 63 | Margaret E. Lambert | 33 | Wife | — | Iowa |
| 64 | Helen Ann Lambert | 8 | Daughter | — | Ohio |
| 65 | Janice Lambert | 4 | Daughter | — | Ohio |
| 66 | Mary B. Weeks THIS PERSON | 79 | Head | — | Illinois |
| 67 | Robert Weeks | 48 | Son | Salesman | Illinois |
| 68 | Margaret Weeks | 49 | Daughter in law | — | Illinois |
| 69 | Julia A. Stanton | 81 | Head | — | Illinois |
| 70 | Ethel Stanton | 49 | Daughter | Auditor | Nebraska |
| 71 | John F. Peart | 61 | Son in law | Carpenter | Illinois |
| 72 | Letha Peart | 51 | Daughter | — | Nebraska |
| 73 | Charles Sweet | 56 | Head | Carpenter | Illinois |
| 74 | Dorothy Sweet | 56 | Wife | — | Illinois |
| 75 | Minnie Bauer | 64 | Head | — | Illinois |
| 76 | Jennie Black | 45 | Lodger | Telegrapher | Illinois |
| 77 | Minnie Conner | 52 | Lodger | Teacher | Illinois |
| 78 | Lawrence Heideman | 37 | Head | Part Owner | Illinois |
| 79 | Matilda Heideman | 36 | Wife | — | Missouri |
| 80 | Lawrence Jr. Heideman | 7 | Son | — | Illinois |
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)