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Frank Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Linn, Iowa
Our Model Tree links this Frank Thomas across the 1910, 1920 and 1930 US Censuses in Linn, Iowa (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 9-person household.
Age 50
b. ~1880
Male
Head
Born: Iowa
Divorced
1930 Census Record Details
| Census Year | 1930 |
| Location | Linn, Iowa |
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Divorced |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Electrician |
| Industry | Electric Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Electrician |
| Township / Ward | Cedar Rapids City |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Maxine Thomas | Daughter | — | 21 | ~1909 |
| Frank Thomas | Head | — | 50 | ~1880 |
| Marjorie Sheldon | Other | — | 24 | ~1906 |
| Marie Summers | Other | — | 22 | ~1908 |
| Harry Miller | Other | — | 35 | ~1895 |
| Clayton Mcdaniel | Other | — | 38 | ~1892 |
| James Miller | Son | — | 5 | ~1925 |
| Alice Mcdaniel | Spouse | — | 33 | ~1897 |
| Ruth Miller | Spouse | — | 32 | ~1898 |
Census Appearances
1910
Linn, Iowa
Head, age 31
Linn, Iowa · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 9 |
| Father's Birthplace | Unknown US |
| Mother's Birthplace | Massachusetts |
| Occupation | Electrician |
| Industry | Building |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Linn, Iowa
Head, age 40
Linn, 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 | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Electrician |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Head, age 50
Linn, Iowa · implied b. ~1880 — 9 household members
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Divorced |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Electrician |
| Industry | Electric Shop |
| 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 Frank Thomas across 3 US Census years (1910, 1920 and 1930) in Linn, Iowa, using XGBoost record linkage.
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This person
Anchor record
Frank Thomas
Head · 1930 · age 50 · b. ~1880 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Linn, Iowa
Open full size
1930 US Federal Census — Linn, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel665:0826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Penney Kenney | 15 | Son | — | Iowa |
| 2 | Michael Kenney | 4 | Son | — | Iowa |
| 3 | Cornelius Kenney | 3 | Son | — | Iowa |
| 4 | Anna Vraspir | 24 | Boarder | Waitress | Iowa |
| 5 | James L. Ellison | 47 | Head | Truck Driver | Iowa |
| 6 | Blanche Ellison | 37 | Wife | — | New York |
| 7 | Raymond G. Ellison | 19 | Son | — | Iowa |
| 8 | James H. Thomas | 38 | O | Electrician | New Mexico |
| 9 | Bessie Thomas | 38 | Wife | Operator | Iowa |
| 10 | Frank Thomas THIS PERSON | 50 | Head | Electrician | Iowa |
| 11 | Maxine Thomas | 21 | Daughter | Stenographer | Iowa |
| 12 | Harry J. Miller | 35 | R | Watchman | Iowa |
| 13 | Ruth Miller | 32 | Wife | — | Missouri |
| 14 | James Miller | 5 | Son | — | Iowa |
| 15 | Clayton E. Mcdaniel | 38 | O | Proprietor | Iowa |
| 16 | Alice Mcdaniel | 33 | Wife | — | Iowa |
| 17 | Marjorie Sheldon | 24 | Boarder | Stenographer | Iowa |
| 18 | Marie Summers | 22 | Boarder | Stenographer | Iowa |
| 19 | Edward J. Dengart | 53 | Head | — | Iowa |
| 20 | Emma M. Dengart | 47 | Wife | — | Iowa |
| 21 | George F. Dierks | 50 | Head | Switchman | Kansas |
| 22 | Mamie J. Dierks | 48 | Wife | — | Iowa |
| 23 | George J. Dierks | 21 | Son | Druggist | Iowa |
| 24 | William Dierks | 13 | Son | — | Iowa |
| 25 | Abba Ambrosia | 55 | R | Manager | Italy |
| 26 | Margaret Ambrosia | 20 | Daughter | — | Iowa |
| 27 | Elmer Munson | 40 | R | Manager | Kansas |
| 28 | William Ed. Munson | 15 | Son | Delivery Boy | Kansas |
| 29 | James Munson | 11 | Son | — | Kansas |
| 30 | James A. Munson | 41 | Boarder | Glassblower | Minnesota |
| 31 | James Coy | 36 | R | Bartender | Iowa |
| 32 | Ellen J. Coy | 25 | Wife | — | New York |
| 33 | Adam Voss | 21 | R | Fireman | Iowa |
| 34 | Mary E. Voss | 21 | Wife | Waitress | Iowa |
| 35 | William A. Voss | 4 | Son | — | Iowa |
| 36 | Ruth M. Voss | 1 | Daughter | — | Nebraska |
| 37 | George De Lan | 27 | R | Driver | Iowa |
| 38 | Doris De Lan | 25 | Wife | — | Iowa |
| 39 | George De Lan | 5 | Son | — | Iowa |
| 40 | Robert De Lan | 3 | Son | — | Iowa |
| 41 | Richard De Lan | 1 | Son | — | Iowa |
| 42 | Ralph W. Pruiholz | 27 | R | Transit Clerk | Germany |
| 43 | Olga C. Pruiholz | 25 | Wife | — | Germany |
| 44 | Maynard Engstrom | 23 | R | City Salesman | Iowa |
| 45 | Alice Engstrom | 23 | Wife | — | Ohio |
| 46 | James Scott | 36 | R | Electrician | Pennsylvania |
| 47 | Mabel Scott | 37 | Wife | — | Iowa |
| 48 | Nelson Scott | 6 | Son | — | Minnesota |
| 49 | Lillian A. Lundon | 32 | Boarder | Waitress | Iowa |
| 50 | John W. Stalder | 49 | R | Night Watchman | Iowa |
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)