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Francis Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Buffalo, South Dakota
Our Model Tree links this Francis Thomas across the 1930 and 1940 US Censuses in Buffalo, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 8
b. ~1922
Female
Daughter
Born: South Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Buffalo, South Dakota |
| Surname | Thomas |
| Given Name | Francis H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Victory Precinct |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Grace Diggle | Other | — | 21 | ~1909 |
| Robert Thomas | Son | — | 16 | ~1914 |
| Bernice Thomas | Daughter | — | 14 | ~1916 |
| Francis Thomas | Daughter | — | 8 | ~1922 |
| Eva Thomas | Other | — | 43 | ~1887 |
| Eunice Thomas | Daughter | — | 13 | ~1917 |
| Leslie Thomas | Son | — | 19 | ~1911 |
| Phyllis Thomas | Daughter | — | 3 | ~1927 |
| Mary Thomas | Daughter | — | 5 | ~1925 |
| Frank Thomas | Head | — | 44 | ~1886 |
| Juliana Madsen | Other | — | 22 | ~1908 |
Census Appearances
1930
Buffalo, South …
Daughter, age 8
Buffalo, South Dakota · implied b. ~1922 — 11 household members
| Surname | Thomas |
| Given Name | Francis H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Buffalo-County, South …
Daughter, age 18
Buffalo-County, South Dakota · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Ft. Thompson |
| 1935 Residence (County) | Buffalo |
| Highest Grade | Hs 3 |
| 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 Francis Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Thomas
Daughter · 1930 · age 8 · b. ~1922 · South Dakota
★ You are viewing this record
Sibling
Mary Thomas
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Thomas
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Thomas
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eunice Thomas
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thomas
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Thomas
Sibling · 1930 · age 14
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
1930 US Federal Census — Buffalo, South Dakota
Open full size
1930 US Federal Census — Buffalo, South Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2219unit:0543)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James E. Wright | 50 | Head | Superintendent | Pennsylvania |
| 2 | Claudia E. Wright | 38 | Wife-H | — | South Carolina |
| 3 | Sue Wright | 11 | Daughter | — | Nebraska |
| 4 | Gene Wright | 8 | Daughter | — | Nebraska |
| 5 | Wayne Wright | 6 | Son | — | South Carolina |
| 6 | Leonard Leroy Smith | 38 | Head | Service Clerk | Illinois |
| 7 | Edith M. Smith | 37 | Wife-H | — | Illinois |
| 8 | Randall W. Smith | 15 | Son | — | Illinois |
| 9 | Martin Van Winkle | 45 | Head | Business Clerk | Illinois |
| 10 | Clara M. Van Winkle | 41 | Wife-H | — | North Dakota |
| 11 | Quentin Van Winkle | 11 | Son | — | North Dakota |
| 12 | Roese Van Winkle | 9 | Son | — | South Dakota |
| 13 | Laurie Van Winkle | 8 | Son | — | South Dakota |
| 14 | Doris Van Winkle | 6 | Daughter | — | South Dakota |
| 15 | Rudolph F. Van Winkle | 4 | Son | — | South Dakota |
| 16 | Charlotte M. Van Winkle | 2 | Daughter | — | Illinois |
| 17 | Walter W. Howe | 39 | Head | General Mechanic | Nebraska |
| 18 | Gail D. Howe | 36 | Wife-H | — | Nebraska |
| 19 | Donald D. Howe | 10 | Son | — | Nebraska |
| 20 | Robert O. Howe | 8 | Son | — | Nebraska |
| 21 | Raymond G. Howe | 6 | Son | — | Nebraska |
| 22 | Walter A. Jr. Howe | 4 | Son | — | Nebraska |
| 23 | Frank Thomas | 44 | Head | Laborer | Iowa |
| 24 | Eva M. Thomas | 43 | Wife-H | — | Iowa |
| 25 | Leslie R. Thomas | 19 | Son | Laborer | Iowa |
| 26 | Robert Thomas | 16 | Son | — | Iowa |
| 27 | Bernice Thomas | 14 | Daughter | — | South Dakota |
| 28 | Eunice Thomas | 13 | Daughter | — | South Dakota |
| 29 | Francis H. Thomas THIS PERSON | 8 | Daughter | — | South Dakota |
| 30 | Mary Thomas | 5 | Daughter | — | South Dakota |
| 31 | Phyllis Thomas | 3 | Daughter | — | South Dakota |
| 32 | Juliana E. Madsen | 22 | Teacher | Teacher | South Dakota |
| 33 | Grace Mae Diggle | 21 | Teacher | Teacher | South Dakota |
| 34 | Amos L. Irving | 33 | Head | Janitor | South Dakota |
| 35 | Martha C. Irving | 33 | Wife-H | Matron | South Dakota |
| 36 | Ellie Bertha Irving | 3 | Daughter | — | South Dakota |
| 37 | Henry Matthew Irving | 2 | Son | — | South Dakota |
| 38 | Charles F. Pollard | 34 | Head | Cook | South Dakota |
| 39 | Maude L. Pollard | 24 | Wife-H | Asst. Matron | South Dakota |
| 40 | Luke C. Walker | 82 | Head | Postmaster | Minnesota |
| 41 | Sophia Walker | 83 | Wife-H | — | Kentucky |
| 42 | Alice A. Homer | 45 | Roomer | Missionary | England |
| 43 | John Badger | 56 | Head | Farmer | South Dakota |
| 44 | Pearl Badger | 52 | Wife-H | — | South Dakota |
| 45 | Agatha M. Badger | 27 | Daughter | — | South Dakota |
| 46 | George T. Tuttle | 26 | Head | Janitor | South Dakota |
| 47 | Minnie I. Tuttle | 24 | Wife-H | — | Oklahoma |
| 48 | Kathryn Marion | 43 | Head-H | Reg. Nurse | South Dakota |
| 49 | Irene E. Menzie | 18 | Roomer | Housekeeper | South Dakota |
| 50 | Thelma B. Menzie | 20 | Roomer | Assistant | South Dakota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)