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Florence Thompson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Florence Thompson across the 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Herbert & Herbert — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Thompson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Webster Township |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Thompson | Daughter | — | 20 | ~1910 |
| Herbert Thompson | Head | — | 55 | ~1875 |
| Alta Thompson | Other | — | 49 | ~1881 |
| Harold Thompson | Son | — | 22 | ~1908 |
| Lloyd Thompson | Son | — | 15 | ~1915 |
| Cecil Thompson | Son | — | 17 | ~1913 |
| Allen Thompson | Son | — | 26 | ~1904 |
Census Appearances
1910
Polk, Iowa
Daughter, age
Polk, Iowa · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Daughter, age 10
Polk, Iowa · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Daughter, age 20
Polk, Iowa · implied b. ~1910 — 7 household members
| Surname | Thompson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| 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 Florence Thompson across 3 US Census years (1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage. Identified parents: father Herbert Thompson (~0.92 confidence) and father Herbert Thompson (~0.92 confidence) and mother Alta Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herbert Thompson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Herbert Thompson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Alta Thompson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Thompson
Daughter · 1930 · age 20 · b. ~1910 · Iowa
★ You are viewing this record
Sibling
Harold Thompson
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Thompson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Thompson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Thompson
Sibling · 1930 · age 26
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 — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel678:0513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam Russell | 17 | Son | Laborer | Iowa |
| 2 | Edith Russell | 11 | Daughter | — | Iowa |
| 3 | Charlotte Russell | 5 | Daughter | — | Iowa |
| 4 | Herbert C. Thompson | 55 | Head | Farmer | Wisconsin |
| 5 | Alta C. Thompson | 49 | Wife-H | — | Iowa |
| 6 | Allen W. Thompson | 26 | Son | Instructor | Iowa |
| 7 | Harold L. Thompson | 22 | Son | Laborer | Iowa |
| 8 | Florence Thompson THIS PERSON | 20 | Daughter | — | Iowa |
| 9 | Cecil S. Thompson | 17 | Son | — | Iowa |
| 10 | Lloyd Thompson | 15 | Son | — | Iowa |
| 11 | John C. Kuefner | 48 | Head | Farmer | Iowa |
| 12 | Ida M. Kuefner | 50 | Wife-H | — | Iowa |
| 13 | Gladys Kuefner | 21 | Daughter | — | Iowa |
| 14 | Raymond M. Price | 48 | Head | Laborer | Tennessee |
| 15 | Alice R. Price | 41 | Wife-H | — | Arkansas |
| 16 | William M. Price | 2 | Son | — | Iowa |
| 17 | Eddie E. Gilbert | 35 | Boarder | Laborer | Arkansas |
| 18 | Elizabeth Gilbert | 33 | Sister-in-law | — | Iowa |
| 19 | Maude E. Gilbert | 16 | Niece | — | Iowa |
| 20 | Thomas C. Gilbert | 14 | Nephew | — | Iowa |
| 21 | Lawrence E. Walter | 25 | Head | Laborer | Iowa |
| 22 | William R. Keyte | 38 | Head | Bumper | Iowa |
| 23 | Bonita I. Keyte | 32 | Wife-H | — | Iowa |
| 24 | Wilma D. Keyte | 13 | Daughter | — | Iowa |
| 25 | Robert M. Keyte | 12 | Son | — | Iowa |
| 26 | William E. Clemente | 62 | Head | Farmer | Iowa |
| 27 | Anna Clemente | 57 | Wife-H | — | Iowa |
| 28 | Verna M. Clemente | 18 | Daughter | — | Iowa |
| 29 | Carrie L. Clemente | 17 | Daughter | — | Iowa |
| 30 | Mildred L. Clemente | 15 | Daughter | — | Iowa |
| 31 | Melvin F. Clemente | 15 | Son | — | Iowa |
| 32 | Paul B. Clemente | 12 | Son | — | Iowa |
| 33 | Homer Danley | 25 | Son-in-law | Stock Clerk | Iowa |
| 34 | Evelyn Danley | 24 | Daughter | — | Iowa |
| 35 | Ira B. Erickson | 50 | Head | Farmer | Iowa |
| 36 | Martha Erickson | 49 | Wife-H | — | Minnesota |
| 37 | Irene C. Erickson | 16 | Daughter | — | Iowa |
| 38 | Lucille Erickson | 12 | Daughter | — | Iowa |
| 39 | Luella Erickson | 12 | Daughter | — | Iowa |
| 40 | Emma Princes | 69 | Roomer | Seamstress | Minnesota |
| 41 | Fred J. Wilson | 42 | Head | Farmer | Iowa |
| 42 | Minnie Wilson | 41 | Wife-H | — | Iowa |
| 43 | Jane E. Wilson | 85 | Mother | — | Northern Ireland |
| 44 | Theodosia E. Allen | 40 | Sister-in-law | — | Iowa |
| 45 | George A. Findley | 53 | Head | Farmer | Iowa |
| 46 | Maybelle Findley | 52 | Wife-H | — | Iowa |
| 47 | Sidney Findley | 26 | Son | Laborer | Iowa |
| 48 | Virginia Findley | 20 | Daughter | — | Iowa |
| 49 | Ray Findley | 14 | Son | — | Iowa |
| 50 | George L. Jalusch | 42 | Head | Laborer | Iowa |
Pedigree Summary
Florence + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)