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Charles Bauer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, South Dakota
Our Model Tree links this Charles Bauer across the 1930 and 1940 US Censuses in Lawrence-County, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, South Dakota |
| Surname | Bauer |
| Given Name | Charles L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Lead Co 17 |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Lead Co 17 |
| Est. Birth Year | ~1930 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Ellen Bauer | Daughter | — | 12 | ~1928 |
| Chester Bauer | Son | — | 8 | ~1932 |
| Merle Bauer | Son | — | 6 | ~1934 |
| Charles Bauer | Son | — | 10 | ~1930 |
| Emanuel Bauer | Head | — | 43 | ~1897 |
| Margaret Bauer | Daughter | — | 14 | ~1926 |
| Edward Bauer | Son | — | 4 | ~1936 |
| Maude Bauer | Spouse | — | 34 | ~1906 |
| Lillian Bauer | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Lawrence, South …
Son, age
Lawrence, South Dakota · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Burr |
| Given Name | Carl D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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
Lawrence-County, South …
Son, age 10
Lawrence-County, South Dakota · implied b. ~1930 — 9 household members
| Surname | Bauer |
| Given Name | Charles L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Lead Co 17 |
| 1935 Residence (County) | Lawrence |
| Highest Grade | No 2 |
| 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 Charles Bauer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Bauer
Son · 1940 · age 10 · b. ~1930 · South Dakota
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Sibling
Lillian Bauer
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Bauer
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Bauer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Bauer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Bauer
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Bauer
Sibling · 1940 · age 6
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 — Lawrence-County, South Dakota
Open full size
1940 US Federal Census — Lawrence-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03860-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Veronda | 30 | Wife | 0 | Italy |
| 2 | Madelyn Veronda | 9 | Daughter | — | Michigan |
| 3 | Jean Veronda | 7 | Daughter | — | South Dakota |
| 4 | Wm. Amionus|Amionis | 22 | Head | Laborer | South Dakota |
| 5 | June Amionus|Amionis | 20 | Wife | 0 | South Dakota |
| 6 | Wm Amionus|Amionis | 3 | Son | — | South Dakota |
| 7 | James Amionus|Amionis | 1 | Son | — | South Dakota |
| 8 | Emanuel Bauer | 43 | Head | Laborer | Russia |
| 9 | Maude Bauer | 34 | Wife | 0 | South Dakota |
| 10 | Margaret Bauer | 14 | Daughter | 0 | South Dakota |
| 11 | Ellen Bauer | 12 | Daughter | — | South Dakota |
| 12 | Charles L. Bauer THIS PERSON | 10 | Son | — | South Dakota |
| 13 | Chester L. Bauer | 8 | Son | — | South Dakota |
| 14 | Merle Bauer | 6 | Son | — | South Dakota |
| 15 | Edward J. Bauer | 4 | Son | — | South Dakota |
| 16 | Lillian Bauer | 1 | Daughter | — | South Dakota |
| 17 | Ralph King | 42 | Head | Laborer | Illinois |
| 18 | Nellie King | 39 | Wife | 0 | Indiana |
| 19 | Helen King | 19 | Daughter | High School | South Dakota |
| 20 | Chester King | 17 | Son | High School | South Dakota |
| 21 | Glenn King | 15 | Son | 0 | South Dakota |
| 22 | Ethel King | 13 | Daughter | — | South Dakota |
| 23 | Lester King | 11 | Son | — | South Dakota |
| 24 | Harry Gray | 25 | Head | Laborer | North Dakota |
| 25 | Anna Gray | 23 | Wife | 0 | Missouri |
| 26 | Donna B Gray | 2 | Daughter | — | Idaho |
| 27 | Ida Jo Gray | 0 | Daughter | — | South Dakota |
| 28 | Paul Grandia | 38 | Head | Miner | South Dakota |
| 29 | Leona Grandia | 31 | Wife | 0 | Nebraska |
| 30 | A. E. Gardner | 56 | Head | Miner | Illinois |
| 31 | Lena G Gardner | 43 | Wife | 0 | Nebraska |
| 32 | Gerald Gauger | 20 | Step son | Pin Setter | South Dakota |
| 33 | Leroy Gauger | 14 | Step son | 0 | South Dakota |
| 34 | Robert E Gardner | 5 | Son | — | South Dakota |
| 35 | Roland Gardner | 4 | Son | — | South Dakota |
| 36 | Leon Potter | 46 | Head | Janitor Of Bldg | Nebraska |
| 37 | Amelia Potter | 34 | Wife | 0 | Italy |
| 38 | Raymond Feretto | 20 | nephew | Laborer | South Dakota |
| 39 | John Hardy | 52 | Head | Miner | South Dakota |
| 40 | Nellie Hardy | 52 | Wife | 0 | 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)