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Mary Becker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Moody-County, South Dakota
Our Model Tree links this Mary Becker across the 1930 and 1940 US Censuses in Moody-County, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Moody-County, South Dakota |
| Surname | Becker |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Egan City |
| 1935 Residence (County) | Moody |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Egan City |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Becker | Daughter | — | 1 | ~1939 |
| Mary Becker | Daughter | — | 11 | ~1929 |
| Leonard Becker | Head | — | 36 | ~1904 |
| John Becker | Son | — | 12 | ~1928 |
| William Becker | Son | — | 15 | ~1925 |
| Gerald Becker | Son | — | 8 | ~1932 |
| Mary Becker | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Moody, South …
Other, age 1
Moody, South Dakota · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Beeker |
| Given Name | Mary Ellen |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Moody-County, South …
Daughter, age 11
Moody-County, South Dakota · implied b. ~1929 — 7 household members
| Surname | Becker |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Egan City |
| 1935 Residence (County) | Moody |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Becker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Becker
Daughter · 1940 · age 11 · b. ~1929 · South Dakota
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Sibling
William Becker
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Becker
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Becker
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Becker
Sibling · 1940 · age 1
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 — Moody-County, South Dakota
Open full size
1940 US Federal Census — Moody-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03865-00072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis F. Schroeder | 49 | Head | Farmer | Iowa |
| 42 | Alvina M. Schroeder | 45 | Wife | — | Iowa |
| 43 | Stella L. Schroeder | 17 | Daughter | — | South Dakota |
| 44 | Harry J. Philips | 54 | Head | Labour | South Dakota |
| 45 | Wealtha V. Philips | 55 | Wife | — | South Dakota |
| 46 | Walter J. Judel | 56 | Head | Marshal | South Dakota |
| 47 | Cora M. Judel | 57 | Wife | — | Wisconsin |
| 48 | Edna Mckinnon | 40 | Head | — | Iowa |
| 49 | Evelyn Mckinnon | 14 | Daughter | — | Iowa |
| 50 | George Rice | 44 | Lodger | Labourer | Iowa |
| 51 | Francis J. De Lay | 29 | Head | Assistant Manager | South Dakota |
| 52 | Erma M. De Lay | 24 | Wife | Teacher | South Dakota |
| 53 | Sylvia Chambley | 42 | Head | Waitress | South Dakota |
| 54 | Lois M. Chambley | 19 | Daughter | Housemaid | South Dakota |
| 55 | Marjorie J. Chambley | 17 | Daughter | Housemaid | South Dakota |
| 56 | Kenneth C. Chambley | 14 | Son | — | South Dakota |
| 57 | Ruth A. Chambley | 5 | Daughter | — | South Dakota |
| 58 | Arthur Gleason | 52 | Head | Machinist | South Dakota |
| 59 | Martin Gleason | 56 | Brother | Laborer | South Dakota |
| 60 | Clara A. Pierce | 70 | Head | — | Michigan |
| 61 | Leonard H. Becker | 36 | Head | Road Maintainer | South Dakota |
| 62 | Mary B. Becker | 35 | Wife | — | South Dakota |
| 63 | William L. Becker | 15 | Son | — | South Dakota |
| 64 | John H. Becker | 12 | Son | — | South Dakota |
| 65 | Mary E. Becker THIS PERSON | 11 | Daughter | — | South Dakota |
| 66 | Gerald S. Becker | 8 | Son | — | South Dakota |
| 67 | Gertrude A. Becker | 1 | Daughter | — | South Dakota |
| 68 | Clara O. Sherman | 45 | Head | Labourer | South Dakota |
| 69 | Gladys O. Sherman | 36 | Wife | — | Iowa |
| 70 | Sylvan D. Bigness | 16 | Step-son | — | South Dakota |
| 71 | Alma E. Bigness | 13 | Daughter | — | South Dakota |
| 72 | Robert R. Gleason | 45 | Head | Labour | South Dakota |
| 73 | Cora E. Gleason | 46 | Wife | — | Iowa |
| 74 | Orville R. Gleason | 15 | Son | New Worker | Iowa |
| 75 | Dorothy M. Gleason | 13 | Daughter | — | South Dakota |
| 76 | George W. Valintine | 23 | Step-son | Labourer | South Dakota |
| 77 | Melvin L. Valintine | 21 | Step-son | Labourer | South Dakota |
| 78 | Leon A. Paulson | 25 | Head | Labourer | South Dakota |
| 79 | Marie E. Paulson | 31 | Wife | — | Kansas |
| 80 | Barney A. Brinker | 77 | Head | — | Germany |
Related Census Records
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)