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Ethel Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Brown-County, South Dakota
Our Model Tree links this Ethel Lewis across the 1930 and 1940 US Censuses in Brown-County, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, South Dakota |
| Surname | Lewis |
| Given Name | Ethel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Portage Township |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Portage Township |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Dena Lewis | Spouse | — | 40 | ~1900 |
| Albie Lewis | Son | — | 12 | ~1928 |
| Kathryn Lewis | Daughter | — | 9 | ~1931 |
| James Lewis | Head | — | 41 | ~1899 |
| Nellie Lewis | Daughter | — | 5 | ~1935 |
| Darline Lewis | Daughter | — | 3 | ~1937 |
| James Lewis | Son | — | 8 | ~1932 |
| Violet Lewis | Daughter | — | 6 | ~1934 |
| Ethel Lewis | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Brown, South …
Daughter, age 1
Brown, South Dakota · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ethel L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | South Dakota |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Brown-County, South …
Daughter, age 11
Brown-County, South Dakota · implied b. ~1929 — 9 household members
| Surname | Lewis |
| Given Name | Ethel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Portage Township |
| 1935 Residence (County) | Brown |
| Highest Grade | No 4 |
| 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 Ethel Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ethel Lewis
Daughter · 1940 · age 11 · b. ~1929 · South Dakota
★ You are viewing this record
Sibling
James Lewis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darline Lewis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albie Lewis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Lewis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Lewis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Lewis
Sibling · 1940 · age 9
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 — Brown-County, South Dakota
Open full size
1940 US Federal Census — Brown-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03849-00813)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ellen Bernard | 34 | wife | — | Illinois |
| 42 | Virginia Bernard | 12 | daughter | — | South Dakota |
| 43 | George Kenny | 34 | Head | Farmer | South Dakota |
| 44 | Lillie Kenny | 31 | wife | — | South Dakota |
| 45 | Kenneth Kenny | 11 | son | — | South Dakota |
| 46 | Robert Kenny | 10 | son | — | South Dakota |
| 47 | Allan Kenny | 3 | son | — | South Dakota |
| 48 | E. Ray Lamport | 52 | Head | Farmer | South Dakota |
| 49 | Nora Lamport | 44 | wife | — | South Dakota |
| 50 | Van Lew Lamport | 19 | son | Laborer | South Dakota |
| 51 | Bonnie Ray Lamport | 17 | daughter | — | South Dakota |
| 52 | Sally Louise Lamport | 5 | daughter | — | South Dakota |
| 53 | Harry Bailey | 43 | Head | Farmer | South Dakota |
| 54 | Viva Bailey | 38 | wife | — | South Dakota |
| 55 | Donna Belle Bailey | 12 | daughter | — | South Dakota |
| 56 | Mildred Moore | 25 | Head | Teacher | North Dakota |
| 57 | Clarence Hubert | 25 | Head | Laborer | South Dakota |
| 58 | Alice Hubert | 26 | wife | — | English Canada |
| 59 | Loyd Hubert | 4 | son | — | South Dakota |
| 60 | Donna Gale Hubert | 1 | daughter | — | South Dakota |
| 61 | Lew Thorpe | 63 | Head | Farmer | Minnesota |
| 62 | Lena Thorpe | 52 | wife | — | Nebraska |
| 63 | Wayne Thorpe | 30 | son | Farmer | South Dakota |
| 64 | Louis Thorpe | 25 | son | Farmer | South Dakota |
| 65 | John Thorpe | 20 | son | Laborer | South Dakota |
| 66 | Lorene Thorpe | 19 | daughter | — | South Dakota |
| 67 | Angeline Thorpe | 13 | daughter | — | South Dakota |
| 68 | Herbert J. Freeby | 64 | Head | Farmer | Iowa |
| 69 | Marion E Freeby | 60 | wife | — | Iowa |
| 70 | Harold Freeby | 28 | son | Farmer | South Dakota |
| 71 | Shirley G Freeby | 20 | son | Laborer | South Dakota |
| 72 | James Lewis | 41 | Head | Farmer | Kentucky |
| 73 | Dena Lewis | 40 | wife | — | South Dakota |
| 74 | Albie Lewis | 12 | son | — | South Dakota |
| 75 | Ethel Lewis THIS PERSON | 11 | daughter | — | South Dakota |
| 76 | Kathryn Lewis | 9 | daughter | — | South Dakota |
| 77 | James Lewis | 8 | son | — | South Dakota |
| 78 | Violet Lewis | 6 | daughter | — | South Dakota |
| 79 | Nellie Lewis | 5 | daughter | — | South Dakota |
| 80 | Darline Lewis | 3 | daughter | — | South Dakota |
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)