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Frank Thomas — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Dubuque, Iowa
Our Model Tree links this Frank Thomas across the 1900, 1910 and 1920 US Censuses in Dubuque, Iowa (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 4-person household.
Age 40
b. ~1880
Male
Head
Born: Iowa
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Dubuque, Iowa |
| Surname | Thomas |
| Given Name | Frank J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Table Mound Township |
| Est. Birth Year | ~1880 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Thomas | Head | — | 40 | ~1880 |
| Harold Thomas | Son | — | 9 | ~1911 |
| Ranold Thomas | Son | — | 6 | ~1914 |
| Margaret Thomas | Spouse | — | 37 | ~1883 |
Census Appearances
1900
Dubuque, Iowa
Other, age 22
Dubuque, Iowa · implied b. ~1878 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Servant |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Oct |
| Birth Year | 1878 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farm Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Dubuque, Iowa
Head, age 30
Dubuque, Iowa · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 2 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Gen Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Dubuque, Iowa
Head, age 40
Dubuque, Iowa · implied b. ~1880 — 4 household members
| Surname | Thomas |
| Given Name | Frank J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| 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 Frank Thomas across 3 US Census years (1900, 1910 and 1920) in Dubuque, Iowa, using XGBoost record linkage.
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This person
Anchor record
Frank Thomas
Head · 1920 · age 40 · b. ~1880 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Dubuque, Iowa
Open full size
1920 US Federal Census — Dubuque, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu488unit:1139)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edna Maury | 6 | Daughter | — | Iowa |
| 52 | Elbert Maury | 4 | Son | — | Iowa |
| 53 | Eldra Maury | 1 | Daughter | — | Iowa |
| 54 | Helen Maury | 0 | Daughter | — | Iowa |
| 55 | Rosina Tisserand | 72 | Head | — | Iowa |
| 56 | Grace Tisserand | 38 | Daughter | — | Iowa |
| 57 | Eva Tisserand | 30 | Daughter | — | Iowa |
| 58 | Tresa Mccullough | 64 | Head | Farmer | Iowa |
| 59 | Leo Mccullough | 25 | Son | Laborer | Iowa |
| 60 | Stephen Mccullough | 23 | Son | Laborer | Iowa |
| 61 | Raymond Feeney | 22 | Hired man | Laborer | Iowa |
| 62 | Earl Maury | 29 | Head | Farmer | Iowa |
| 63 | Rose Maury | 27 | Wife | — | Iowa |
| 64 | Mary D. Maury | 5 | Daughter | — | Iowa |
| 65 | Earl J. Maury | 4 | Son | — | Iowa |
| 66 | Elizabeth Maury | 1 | Daughter | — | Iowa |
| 67 | Christopher Maury | 32 | Brother | Laborer | Iowa |
| 68 | Stephen O'Shea | 52 | Head | Farmer | Iowa |
| 69 | Louise O'Shea | 45 | Wife | — | Iowa |
| 70 | Fannie O'Shea | 21 | Daughter | — | Iowa |
| 71 | Alexandria O'Shea | 18 | Son | Laborer | Iowa |
| 72 | Camille O'Shea | 16 | Daughter | — | Iowa |
| 73 | Marguerite O'Shea | 13 | Daughter | — | Iowa |
| 74 | Kathryn O'Shea | 11 | Daughter | — | Iowa |
| 75 | Stephen Jr. O'Shea | 6 | Son | — | Iowa |
| 76 | John Unsen | 44 | Head | Laborer | Luxemburg |
| 77 | Mary Unsen | 39 | Wife | — | Belgium |
| 78 | Agnes Unsen | 14 | Daughter | — | Illinois |
| 79 | Alois Unsen | 6 | Son | — | Iowa |
| 80 | Raymond Unsen | 4 | Son | — | Iowa |
| 81 | Arnold Unsen | 1 | Son | — | Iowa |
| 82 | Vincent Unsen | 0 | Son | — | Iowa |
| 83 | Frank J. Thomas THIS PERSON | 40 | Head | Farmer | Iowa |
| 84 | Margaret Thomas | 37 | Wife | — | Iowa |
| 85 | Harold Thomas | 9 | Son | — | Iowa |
| 86 | Ranold Thomas | 6 | Son | — | Iowa |
| 87 | John Christman | 70 | Head | Farmer | Iowa |
| 88 | Sophia Christman | 64 | Wife | — | Iowa |
| 89 | Glenn Christman | 29 | Head | Farmer | Iowa |
| 90 | Caroline Christman | 29 | Wife | — | Illinois |
| 91 | J. Carlton Christman | 2 | Son | — | Iowa |
| 92 | Leo Palm | 40 | Head | Farmer | Iowa |
| 93 | Helen Palm | 34 | Wife | — | Iowa |
| 94 | Robert Palm | 14 | Son | — | Iowa |
| 95 | Marie Palm | 11 | Daughter | — | Iowa |
| 96 | Callista Palm | 9 | Daughter | — | Iowa |
| 97 | Clifford Palm | 7 | Son | — | Iowa |
| 98 | Violet Palm | 5 | Daughter | — | Iowa |
| 99 | Kenneth Palm | 1 | Son | — | Iowa |
| 100 | Gregor Hanten | 44 | Head | Farmer | Iowa |
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)