JT
Jennie Thomas — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Aurora, South Dakota
Our Model Tree links this Jennie Thomas across the 1920 and 1930 US Censuses in Aurora, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Female
Daughter
Born: South Dakota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Aurora, South Dakota |
| Surname | Thomas |
| Given Name | Jennie B |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Nebraska |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Plankinton City |
| Est. Birth Year | ~1908 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Jennie | Age | Birth yr |
|---|---|---|---|---|
| Jennie Thomas | Daughter | — | 12 | ~1908 |
| Herman Thomas | Son | — | 3 | ~1917 |
| Allan Thomas | Son | — | ~1920 | |
| Herman Thomas | Head | — | 75 | ~1845 |
| Anna Thomas | Daughter | — | 5 | ~1915 |
| Florence Thomas | Daughter | — | 10 | ~1910 |
| Bertine Thomas | Spouse | — | 36 | ~1884 |
| Lafala Thomas | Daughter | — | 7 | ~1913 |
Census Appearances
1920
Aurora, South …
Daughter, age 12
Aurora, South Dakota · implied b. ~1908 — 8 household members
| Surname | Thomas |
| Given Name | Jennie B |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Nebraska |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Aurora, South …
Daughter, age 22
Aurora, South Dakota · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | June |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Nebraska |
| Occupation | Stenographer |
| Industry | County Auditor |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Jennie Thomas across 2 US Census years (1920 and 1930) in Aurora, South Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Jennie Thomas
Daughter · 1920 · age 12 · b. ~1908 · South Dakota
★ You are viewing this record
Sibling
Allan Thomas
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Thomas
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Thomas
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Thomas
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lafala Thomas
Sibling · 1920 · age 7
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
1920 US Federal Census — Aurora, South Dakota
Open full size
1920 US Federal Census — Aurora, South Dakota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1714unit:0206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carter C Lyons | 15 | daughter | None | South Dakota |
| 2 | Mark Anderson | 51 | head | None | Sweden |
| 3 | Wife Anderson | 54 | wife | None | Iowa |
| 4 | Harry C Anderson | 20 | son | Laborer | South Dakota |
| 5 | Ernest E Anderson | 16 | son | Laborer | South Dakota |
| 6 | Annie Anderson | 13 | daughter | None | South Dakota |
| 7 | Ruth B Webster | 21 | daughter | Clerk | South Dakota |
| 8 | Wayne U Webster | 0 | grandson | None | South Dakota |
| 9 | Katherine Ryan | 55 | head | None | Illinois |
| 10 | Katherine L Ryan | 27 | daughter | Auditor | Iowa |
| 11 | Vincent P Ryan | 14 | son | None | California |
| 12 | Alice P Ryan | 1 | granddaughter | None | South Dakota |
| 13 | Frank G Coughlin | 35 | head | Manager | Iowa |
| 14 | Margaret Coughlin | 36 | wife | None | New York |
| 15 | Anna J O'Brien | 33 | sister-in-law | Teacher | Minnesota |
| 16 | Gust E Carson | 40 | head | Carpenter | Sweden |
| 17 | Mandy Carson | 30 | wife | None | Norway |
| 18 | Violet M Carson | 9 | daughter | None | South Dakota |
| 19 | Calvin Carson | 1 | son | None | South Dakota |
| 20 | Gladys L Carson | 0 | daughter | None | South Dakota |
| 21 | Ross Bunker | 22 | head | Mechanic | Iowa |
| 22 | Pearl Bunker | 18 | wife | None | South Dakota |
| 23 | Hazel A Grindon | 21 | head | Stenographer | South Dakota |
| 24 | John S Doyle | 48 | head | Real Estate | Iowa |
| 25 | Agnes Doyle | 40 | wife | None | Iowa |
| 26 | Gilbert H Auld | 26 | head | Abstractor | South Dakota |
| 27 | Florence E Auld | 24 | wife | None | South Dakota |
| 28 | Robert B Auld | 0 | son | None | South Dakota |
| 29 | Nellie H Auld | 59 | mother | Abstractor | Iowa |
| 30 | Thomas P De Jean | 72 | head | Merchant | Ohio |
| 31 | Louise P De Jean | 65 | wife | None | Michigan |
| 32 | Lee A Penhallagon | 24 | head | Clerk | Wisconsin |
| 33 | Nellie L Penhallagon | 25 | wife | None | Pennsylvania |
| 34 | Alfred Penhallagon | 5 | son | None | South Dakota |
| 35 | Glen Penhallagon | 3 | son | None | South Dakota |
| 36 | Peter Young | 22 | head | Teller | South Dakota |
| 37 | Claude Davis | 33 | head | Jeweler | Minnesota |
| 38 | Emma O Davis | 24 | wife | Newspaper | South Dakota |
| 39 | Herman C Thomas | 75 | head | — | Germany |
| 40 | Bertine Thomas | 36 | wife | — | Norway |
| 41 | Jennie B Thomas THIS PERSON | 12 | daughter | None | South Dakota |
| 42 | Florence M Thomas | 10 | daughter | None | South Dakota |
| 43 | Lafala Thomas | 7 | daughter | None | South Dakota |
| 44 | Anna Thomas | 5 | daughter | None | South Dakota |
| 45 | Herman G Jr Thomas | 3 | son | None | South Dakota |
| 46 | Allan L Thomas | 0 | son | None | South Dakota |
| 47 | Christian A Svendsen | 51 | head | Officer | Denmark |
| 48 | Mary E Svendsen | 47 | wife | None | New York |
| 49 | Bessie Svendsen | 22 | daughter | None | South Dakota |
| 50 | Frank Svendsen | 20 | son | None | South Dakota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)