ET
Eva Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ramsey, North Dakota
Our Model Tree links this Eva Thomas across the 1920 and 1930 US Censuses in Ramsey, North Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 6-person household.
Age 14
b. ~1916
Female
Daughter
Born: North Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ramsey, North Dakota |
| Surname | Thomas |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Devils Lake City |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Eva | Age | Birth yr |
|---|---|---|---|---|
| Martin Thomas | Son | — | 16 | ~1914 |
| Balzer Thomas | Head | — | 57 | ~1873 |
| Margaret Thomas | Spouse | — | 52 | ~1878 |
| Ben Thomas | Son | — | 17 | ~1913 |
| Margaret Thomas | Daughter | — | 12 | ~1918 |
| Eva Thomas | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Ramsey, North …
Daughter, age 4
Ramsey, North Dakota · implied b. ~1916 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Ramsey, North …
Daughter, age 14
Ramsey, North Dakota · implied b. ~1916 — 6 household members
| Surname | Thomas |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north 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 Eva Thomas across 2 US Census years (1920 and 1930) in Ramsey, North Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Eva Thomas
Daughter · 1930 · age 14 · b. ~1916 · North Dakota
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Sibling
Ben Thomas
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Thomas
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Thomas
Sibling · 1930 · age 16
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 — Ramsey, North Dakota
Open full size
1930 US Federal Census — Ramsey, North Dakota
Page Contents
48 people indexed on this census page (ia:1930:15thcensus1740unit:0666)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucil Mallett | 10 | Son | — | Oklahoma |
| 2 | Virgil Mallett | 8 | Son | — | Oklahoma |
| 3 | Elmer Johnson | 61 | Head | Salesman | Norway |
| 4 | Thea Johnson | 53 | Wife | — | Norway |
| 5 | Myrtle Buzzell | 27 | Daughter | Housewife | North Dakota |
| 6 | Lenore Leahy | 38 | Boarder | Clerk | North Dakota |
| 7 | Elliot Thomas | 26 | Head | Contractor | Russia |
| 8 | Inge Thomas | 33 | Wife | — | North Dakota |
| 9 | Harold Thomas | 0 | Son | — | North Dakota |
| 10 | John Mcboden | 67 | Head | Retired | Wisconsin |
| 11 | Mary Mcboden | 62 | Wife | — | Wisconsin |
| 12 | Irvin Mcboden | 28 | Son | Truck Driver | North Dakota |
| 13 | Vera Mcboden | 19 | Daughter | — | North Dakota |
| 14 | Glenn Mcboden | 7 | Son | — | North Dakota |
| 15 | Harry Waggoner | 27 | Son-in-law | Mechanic | Nebraska |
| 16 | Vera Waggoner | 26 | Daughter | — | North Dakota |
| 17 | Lenora Maylan | 51 | Head | — | Minnesota |
| 18 | Leo Maylan | 25 | Son | Lineman | North Dakota |
| 19 | Margaret Maylan | 24 | Daughter | Saleswoman | North Dakota |
| 20 | Frank Maylan | 21 | Son | Clerk | North Dakota |
| 21 | James Maylan | 17 | Daughter | Saleslady | North Dakota |
| 22 | Woodrow Maylan | 15 | Son | — | North Dakota |
| 23 | Jacob Achill | 48 | Head | Stationman | Russia |
| 24 | Frank Achill | 19 | Son | Boiler Maker | North Dakota |
| 25 | Colleen Achill | 17 | Daughter | — | North Dakota |
| 26 | Olaf Conger | 50 | Head | Truck Driver | Minnesota |
| 27 | Alma Conger | 41 | Wife | — | Kansas |
| 28 | Myrtle Conger | 18 | Daughter | Pantry Dept. | North Dakota |
| 29 | Millard Conger | 16 | Son | — | Minnesota |
| 30 | Arlene Conger | 11 | Daughter | — | Minnesota |
| 31 | Charles Morse | 66 | Head | Teamster | Iowa |
| 32 | Lydia Morse | 57 | Wife | — | Wisconsin |
| 33 | Sam Mattson | 50 | Head | Truck Farmer | Iowa |
| 34 | Rosella Mattson | 48 | Wife | — | North Dakota |
| 35 | Clifford Mattson | 20 | Son | Salesman | North Dakota |
| 36 | Arthur Mattson | 18 | Son | — | North Dakota |
| 37 | Raymond Mattson | 17 | Son | — | North Dakota |
| 38 | Mattson | 15 | Daughter | — | North Dakota |
| 39 | Genevieve Mattson | 11 | Daughter | — | North Dakota |
| 40 | Darrell Mattson | 5 | Son | — | North Dakota |
| 41 | Balzer Thomas | 57 | Head | Contractor | Russia |
| 42 | Margaret Thomas | 52 | Wife | — | Russia |
| 43 | Ben Thomas | 17 | Son | Teamster | North Dakota |
| 44 | Martin Thomas | 16 | Son | Teamster | North Dakota |
| 45 | Eva Thomas THIS PERSON | 14 | Daughter | — | North Dakota |
| 46 | Margaret Thomas | 12 | Daughter | — | North Dakota |
| 47 | Arthur Willis | 22 | Head | Carpenter | Nebraska |
| 48 | Lillian Willis | 18 | Wife | — | North Dakota |
Related Census Records
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)