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Mary Morris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Roberts-County, South Dakota
Our Model Tree links this Mary Morris across the 1920, 1930 and 1940 US Censuses in Roberts-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 5-person household.
Age 73
b. ~1867
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Roberts-County, South Dakota |
| Surname | Morris |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sisseton city |
| 1935 Residence (County) | Roberts |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Sisseton City |
| Est. Birth Year | ~1867 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Morris | Daughter | — | 45 | ~1895 |
| Harry Morris | Head | — | 71 | ~1869 |
| Esther Roehr | Other | — | 34 | ~1906 |
| William Smith | Other | — | 42 | ~1898 |
| Mary Morris | Spouse | — | 73 | ~1867 |
Census Appearances
1920
Roberts, South …
Spouse, age 52
Roberts, South Dakota · implied b. ~1868 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morris |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | England |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Roberts, South …
Other, age 62
Roberts, South Dakota · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morris |
| Given Name | Mary |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 26 |
| Father's Birthplace | England |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Roberts-County, South …
Spouse, age 73
Roberts-County, South Dakota · implied b. ~1867 — 5 household members
| Surname | Morris |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sisseton city |
| 1935 Residence (County) | Roberts |
| Class of Worker | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Morris 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 Morris
Spouse · 1940 · age 73 · b. ~1867 · South Dakota
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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 — Roberts-County, South Dakota
Open full size
1940 US Federal Census — Roberts-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03866-00885)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter J. Permantgen | 42 | Head | Distributor | Minnesota |
| 2 | Carrie Permantgen | 32 | Wife | — | South Dakota |
| 3 | Gloria Mae Permantgen | 5 | Daughter | — | South Dakota |
| 4 | Dana Babcock | 44 | Head | Lawyer | South Dakota |
| 5 | Fern Babcock | 33 | Wife | — | South Dakota |
| 6 | Sidney Babcock | 11 | Daughter | — | South Dakota |
| 7 | Gary Babcock | 8 | Son | — | South Dakota |
| 8 | Harry Morris | 71 | Head | Salesman | Minnesota |
| 9 | Mary Morris THIS PERSON | 73 | Wife | — | Minnesota |
| 10 | Mary Morris | 45 | Daughter | Insurance Broker | South Dakota |
| 11 | William L. Smith | 42 | Lodger | Superintendent | Oklahoma |
| 12 | Esther Roehr | 34 | Lodger | School Teacher | South Dakota |
| 13 | Christ C. Burton | 65 | Head | — | Missouri |
| 14 | Lillian Burton | 39 | Wife | — | Illinois |
| 15 | Maida Burton | 9 | Daughter | — | South Dakota |
| 16 | Frances Burton | 5 | Daughter | — | South Dakota |
| 17 | Harry C. Meyer | 34 | Head | Minister | Minnesota |
| 18 | Alma Meyer | 32 | Wife | — | Colorado |
| 19 | Harriet Meyer | 12 | Daughter | — | Colorado |
| 20 | Marian Meyer | 9 | Daughter | — | Colorado |
| 21 | Sam Jones | 36 | Head | Tractor Operator | Minnesota |
| 22 | Nancy Jones | 34 | Wife | — | South Dakota |
| 23 | Rowland Jones | 8 | Daughter | — | South Dakota |
| 24 | Norbert Jones | 5 | Son | — | South Dakota |
| 25 | Ted Hellberg | 36 | Head | Manager | South Dakota |
| 26 | Hazel Hellberg | 33 | Wife | — | South Dakota |
| 27 | Marlys Hellberg | 5 | Daughter | — | South Dakota |
| 28 | Milo Nelson | 27 | Head | Salesman | South Dakota |
| 29 | Ruth Nelson | 23 | Wife | — | Minnesota |
| 30 | Connie Nelson | 4 | Daughter | — | South Dakota |
| 31 | Truman Don Nelson | 1 | Son | — | South Dakota |
| 32 | William Martinson | 35 | Head | Manager | South Dakota |
| 33 | Violet Martinson | 32 | Wife | — | Illinois |
| 34 | Gael Martinson | 6 | Son | — | South Dakota |
| 35 | Irvin Dempsey | 19 | Hired Hand | Labor | South Dakota |
| 36 | Aaron Arrowsmith | 70 | Head | Manager | England |
| 37 | Nellie Arrowsmith | 66 | Wife | — | Minnesota |
| 38 | Eunice Huffman | 24 | Daughter | — | Canada English |
| 39 | Wesley S. Rath | 64 | Head | Auctioneer | Missouri |
| 40 | Laura Rath | 63 | Wife | — | Missouri |
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)