EH
Elizabeth Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Brown-County, South Dakota
Our Model Tree links this Elizabeth Hart across the 1930 and 1940 US Censuses in Brown-County, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, South Dakota |
| Surname | Hart |
| Given Name | Elizabeth Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Groton city |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Groton City |
| Est. Birth Year | ~1926 |
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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Donald Hart | Son | — | 26 | ~1914 |
| William Hart | Son | — | 24 | ~1916 |
| Robert Hart | Head | — | 56 | ~1884 |
| Elizabeth Hart | Daughter | — | 14 | ~1926 |
| Margaret Hart | Spouse | — | 53 | ~1887 |
| Joan Hart | Other | — | 2 | ~1938 |
| Esther Hart | Other | — | 33 | ~1907 |
| Richard Hart | Son | — | 38 | ~1902 |
| John Hart | Son | — | 21 | ~1919 |
Census Appearances
1930
Brown, South …
Daughter, age 4
Brown, South Dakota · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Elizabeth A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | No |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Brown-County, South …
Daughter, age 14
Brown-County, South Dakota · implied b. ~1926 — 9 household members
| Surname | Hart |
| Given Name | Elizabeth Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Groton city |
| 1935 Residence (County) | Brown |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Elizabeth Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Hart
Daughter · 1940 · age 14 · b. ~1926 · South Dakota
★ You are viewing this record
Sibling
William Hart
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hart
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Hart
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Hart
Sibling · 1940 · age 38
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-t0627-03849-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elgie Bowder | 47 | Head | — | Iowa |
| 42 | Patsy Young | 13 | Head | — | Minnesota |
| 43 | Henry Woolworth | 60 | Head | Proprietor | Michigan |
| 44 | Clara Woolworth | 59 | Wife | — | Wisconsin |
| 45 | Andrew Bartle | 33 | Head | Proprietor | Florida |
| 46 | Leone Bartle | 24 | Wife | — | South Dakota |
| 47 | N. Otis Gilborne | 59 | Head | Proprietor | Illinois |
| 48 | Elizabeth Gilborne | 57 | Wife | Proprietor | Illinois |
| 49 | Nelda Gilborne | 26 | Daughter | Waitress | South Dakota |
| 50 | Carl C. Anderson | 50 | Head | Automobile Mechanic | Sweden |
| 51 | May Anderson | 52 | Wife | Waitress | South Dakota |
| 52 | Lloyd Anderson | 10 | Son | — | South Dakota |
| 53 | Lena M. Perry | 71 | Head | Seamstress | Iowa |
| 54 | — | None | — | — | — |
| 55 | Walter Hoover | 50 | Head | Solicitor Subscriptions | Kansas |
| 56 | Reba Hoover | 46 | Wife | — | Iowa |
| 57 | Eloh Mae Hoover | 20 | Daughter | — | Kansas |
| 58 | David Hoover | 13 | Son | — | Kansas |
| 59 | Dorothy Ann Hoover | 9 | Daughter | — | South Dakota |
| 60 | Charles Adams | 59 | Head | Manager | Michigan |
| 61 | Sue Adams | 56 | Wife | Music Teacher | Minnesota |
| 62 | Margaret Adams | 18 | Daughter | — | South Dakota |
| 63 | June Adams | 17 | Daughter | — | South Dakota |
| 64 | Robert S. Hart | 56 | Head | Medical Doctor | Ohio |
| 65 | Margaret Hart | 53 | Wife | — | Minnesota |
| 66 | "Donald ""Al""" Hart | 26 | Son | — | South Dakota |
| 67 | "William ""Al""" Hart | 24 | Son | — | South Dakota |
| 68 | "John ""Al""" Hart | 21 | Son | — | South Dakota |
| 69 | Elizabeth Ann Hart THIS PERSON | 14 | Daughter | — | South Dakota |
| 70 | Richard Hart | 38 | Son | — | South Dakota |
| 71 | Esther Hart | 33 | Daughter-in-law | Teacher | South Dakota |
| 72 | Joan Hart | 2 | Granddaughter | — | South Dakota |
| 73 | Lillie Belle Wing | 73 | Head | — | Illinois |
| 74 | Gottlieb Stroh | 33 | Head | Barber | North Dakota |
| 75 | Sarah Stroh | 33 | Wife | — | North Dakota |
| 76 | Kay Stroh | 4 | Daughter | — | South Dakota |
| 77 | Donald Stroh | 1 | Son | — | South Dakota |
| 78 | Flora Carley | 64 | Mother-in-law | — | Iowa |
| 79 | William Anderson | 21 | Head | Laborer-Wpa | South Dakota |
| 80 | Grace Anderson | 22 | Wife | — | Iowa |
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)