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Anna Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dunn-County, North Dakota
Our Model Tree links this Anna Thomas across the 1920, 1930 and 1940 US Censuses in Dunn-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dunn-County, North Dakota |
| Surname | Thomas |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | 144-97 |
| 1935 Residence (County) | Dunn |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | 14497 |
| Est. Birth Year | ~1887 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Eugenia Thomas | Daughter | — | 18 | ~1922 |
| Stela Thomas | Daughter | — | 19 | ~1921 |
| Joe Thomas | Head | — | 54 | ~1886 |
| Ralph Thomas | Son | — | 21 | ~1919 |
| Anna Thomas | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Dunn, North …
Spouse, age 34
Dunn, North Dakota · implied b. ~1886 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Russia |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Class of Worker | 1910 |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Russian |
| Birth Country | Russia |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | russia |
1930
Dunn, North …
Other, age 44
Dunn, North Dakota · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Anna |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Dunn-County, North …
Spouse, age 53
Dunn-County, North Dakota · implied b. ~1887 — 5 household members
| Surname | Thomas |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | 144-97 |
| 1935 Residence (County) | Dunn |
| Naturalization Status | Naturalized |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Anna Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Anna Thomas
Spouse · 1940 · age 53 · b. ~1887 · North Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dunn-County, North Dakota
Open full size
1940 US Federal Census — Dunn-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03000-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vendel Roshan | 35 | Head | Farmer | North Dakota |
| 42 | Pauline Roshan | 30 | Wife | — | North Dakota |
| 43 | Virginia Roshan | 12 | Daughter | — | North Dakota |
| 44 | Wallace Roshan | 2 | Son | — | North Dakota |
| 45 | George Schmaltz | 54 | Head | Farmer | Russia |
| 46 | Magdalene Schmaltz | 44 | Wife | — | Russia |
| 47 | Palyk Schmaltz | 29 | Son | Farmer | North Dakota |
| 48 | Mike Schmaltz | 23 | Son | Farm Worker | North Dakota |
| 49 | Christ Schmaltz | 21 | Son | Farm Worker | North Dakota |
| 50 | Floraran Schmaltz | 21 | Son | Teacher | North Dakota |
| 51 | Adline Schmaltz | 19 | Daughter | — | North Dakota |
| 52 | Monica Schmaltz | 11 | Daughter | — | North Dakota |
| 53 | Edward Schmaltz | 16 | Son | — | North Dakota |
| 54 | Eugene Schmaltz | 14 | Son | — | North Dakota |
| 55 | Martin Schmaltz | 12 | Son | — | North Dakota |
| 56 | Alfonce Schmaltz | 11 | Son | — | North Dakota |
| 57 | Terecca Schmaltz | 3 | Daughter | — | North Dakota |
| 58 | Joe Thomas | 54 | Head | Farmer | Russia |
| 59 | Anna Thomas THIS PERSON | 53 | Wife | — | Russia |
| 60 | Ralph Thomas | 21 | Son | Farm Worker | North Dakota |
| 61 | Stela Thomas | 19 | Daughter | — | North Dakota |
| 62 | Eugenia Thomas | 18 | Daughter | — | North Dakota |
| 63 | George Burian | 51 | Head | Farmer | Russia |
| 64 | Mary Burian | 46 | Wife | — | Russia |
| 65 | Lardie Burian | 26 | Son | Farmer | North Dakota |
| 66 | Rose Burian | 22 | Daughter | — | North Dakota |
| 67 | Lena Burian | 18 | Daughter | Maid | North Dakota |
| 68 | Mike Burian | 15 | Son | Farm Worker | North Dakota |
| 69 | Andrew Burian | 13 | Son | — | North Dakota |
| 70 | Margaret Burian | 6 | Daughter | — | North Dakota |
| 71 | Zakar Spilway | 57 | Head | Farmer | Russia |
| 72 | Vanna Spilway | 48 | Wife | — | Russia |
| 73 | Borris Spilway | 23 | Son | Farm Worker | North Dakota |
| 74 | Sanare Spilway | 19 | Daughter | — | North Dakota |
| 75 | Ted Spilway | 18 | Son | Farm Worker | North Dakota |
| 76 | William Spilway | 17 | Son | — | North Dakota |
| 77 | Christine Serhenko | 65 | Head | Farmer | Russia |
| 78 | John Serhenko | 26 | Son | Farmer | North Dakota |
| 79 | Rose Serhenko | 24 | Daughter | — | North Dakota |
| 80 | Anna Serhenko | 22 | Daughter | — | North Dakota |
Related Census Records
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)