ET
Eugene Thomas — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Clinton, Iowa
Our Model Tree links this Eugene Thomas across the 1920 and 1930 US Censuses in Clinton, Iowa (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 8-person household.
Age 10
b. ~1910
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clinton, Iowa |
| Surname | Thomas |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Clinton City |
| Est. Birth Year | ~1910 |
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 Eugene | Age | Birth yr |
|---|---|---|---|---|
| Herman Thomas | Son | — | 18 | ~1902 |
| Louisa Thomas | Spouse | — | 46 | ~1874 |
| Eugene Thomas | Son | — | 10 | ~1910 |
| Martha Thomas | Daughter | — | 7 | ~1913 |
| Arthur Thomas | Son | — | 20 | ~1900 |
| Ernest Thomas | Son | — | 22 | ~1898 |
| Elizabeth Thomas | Daughter | — | 3 | ~1917 |
| German Thomas | Head | — | 49 | ~1871 |
Census Appearances
1920
Clinton, Iowa
Son, age 10
Clinton, Iowa · implied b. ~1910 — 8 household members
| Surname | Thomas |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clinton, Iowa
Son, age 20
Clinton, Iowa · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thoms |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Bakers helper |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Eugene Thomas across 2 US Census years (1920 and 1930) in Clinton, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Eugene Thomas
Son · 1920 · age 10 · b. ~1910 · Iowa
★ You are viewing this record
Sibling
Elizabeth Thomas
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Thomas
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Thomas
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Thomas
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Thomas
Sibling · 1920 · age 20
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 — Clinton, Iowa
Open full size
1920 US Federal Census — Clinton, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu484unit:0691)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ednette Quackenbush | 12 | Daughter | — | Iowa |
| 52 | Anna S. Anderson | 51 | Head | — | Sweden |
| 53 | Hilma Anderson | 29 | Daughter | Salesman | Iowa |
| 54 | Andrew Johnson | 57 | Head | Laborer | Sweden |
| 55 | Matilda Johnson | 54 | Wife | — | Sweden |
| 56 | Minnie Johnson | 28 | Daughter | — | Iowa |
| 57 | Clara Johnson | 18 | Daughter | Salesman | Iowa |
| 58 | Mable Johnson | 15 | Daughter | — | Iowa |
| 59 | Edith Johnson | 11 | Daughter | — | Iowa |
| 60 | John Prethel | 69 | Head | Watchman | Austria |
| 61 | Anna Prethel | 58 | Wife | — | Austria |
| 62 | Veronica Prethel | 22 | Daughter | Tailoress | Iowa |
| 63 | Rosa Prethel | 19 | Daughter | Tailoress | Iowa |
| 64 | Kathryn Prethel | 14 | Daughter | — | Iowa |
| 65 | John Brumshill | 38 | Son | Carpenter | Iowa |
| 66 | Anna Brumshill | 28 | Daughter | Seamstress | California |
| 67 | Carl Olsen | 33 | Head | Repairer | Norway |
| 68 | Inga Olsen | 30 | Wife | — | Minnesota |
| 69 | Valeria Olsen | 9 | Daughter | — | Iowa |
| 70 | Gerald Olsen | 7 | Son | — | Iowa |
| 71 | Geraldine Olsen | 2 | Daughter | — | Iowa |
| 72 | Jack Olsen | 1 | Son | — | Iowa |
| 73 | Soren Morsing | 47 | Head | Foreman | Denmark |
| 74 | Marie Morsing | 37 | Wife | — | Denmark |
| 75 | Niels C. Morsing | 22 | Son | Cabinet Maker | Iowa |
| 76 | Minna Morsing | 11 | Daughter | — | Iowa |
| 77 | Thorwald Morsing | 9 | Son | — | Iowa |
| 78 | Emma Morsing | 7 | Daughter | — | Iowa |
| 79 | Julia Morsing | 4 | Daughter | — | Iowa |
| 80 | Margaret Hansen | 26 | Roomer | Housekeeper | Denmark |
| 81 | Charles R. Peterson | 35 | Head | Tailor | Illinois |
| 82 | Mayme Peterson | 33 | Wife | — | Iowa |
| 83 | Marlon Peterson | 2 | Daughter | — | Iowa |
| 84 | John Laya | 31 | Roomer | Machinist | Russia |
| 85 | Ellsworth Tanner | 47 | Head | Locomotive Engineer | Iowa |
| 86 | Mary Tanner | 42 | Wife | — | Iowa |
| 87 | Georgia Tanner | 16 | Daughter | — | Iowa |
| 88 | Lola Tanner | 14 | Daughter | — | Iowa |
| 89 | Mary Tanner | 12 | Daughter | — | Iowa |
| 90 | June Tanner | 8 | Son | — | Iowa |
| 91 | German Thomas | 49 | Head | Laborer | Germany |
| 92 | Louisa Thomas | 46 | Wife | — | Germany |
| 93 | Ernest Thomas | 22 | Son | Bookkeeper | Iowa |
| 94 | Arthur Thomas | 20 | Son | Laborer | Iowa |
| 95 | Herman Thomas | 18 | Son | — | Iowa |
| 96 | Eugene Thomas THIS PERSON | 10 | Son | — | Iowa |
| 97 | Martha Thomas | 7 | Daughter | — | Iowa |
| 98 | Elizabeth Thomas | 3 | Daughter | — | Iowa |
| 99 | Peter Haas | 49 | Head | Salesman | Germany |
| 100 | Reka Haas | 39 | Wife | — | Germany |
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)