DT
Dorothy Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Dorothy Thompson across the 1920, 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Thompson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | pocket girl |
| Industry | overall factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 624 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Pocket Girl |
| Township / Ward | Cedar Rapids |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Thompson | Daughter | — | 23 | ~1917 |
| Frank Thompson | Head | — | 48 | ~1892 |
| Edward Thompson | Other | — | 74 | ~1866 |
| John Thompson | Son | — | 21 | ~1919 |
| Amos Thompson | Son | — | 18 | ~1922 |
| Jennie Thompson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Linn, Iowa
Daughter, age 3
Linn, Iowa · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Dorothy L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Norway |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Daughter, age 13
Linn, Iowa · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Dorothy L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Daughter, age 23
Linn-County, Iowa · implied b. ~1917 — 6 household members
| Surname | Thompson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Occupation | pocket girl |
| Industry | overall factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 624 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Dorothy Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Thompson (~0.92 confidence) and father Frank Thompson (~0.92 confidence) and mother Jennie Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Thompson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Frank Thompson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Jennie Thompson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Thompson
Daughter · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
John Thompson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amos Thompson
Sibling · 1940 · age 18
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
1940 US Federal Census — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01177-00643)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John B. Frazier | 43 | Head | Newspaper Operator | Iowa |
| 2 | Florence G. Frazier | 39 | Wife | — | Iowa |
| 3 | George M. Frazier | 10 | Son | — | Iowa |
| 4 | Alvin T. Nelson | 38 | Head | Laborer | Iowa |
| 5 | Miriam Nelson | 42 | Wife | — | Minnesota |
| 6 | Theodore Nelson | 2 | Son | — | Iowa |
| 7 | — | None | — | — | — |
| 8 | Vandell Pollock | 30 | Head | Ice Cream Maker | Iowa |
| 9 | Bernice M. Pollock | 30 | Wife | Bookkeeper | Iowa |
| 10 | Ellen Smith | 68 | Mother-in-law | — | Iowa |
| 11 | Frank Thompson | 48 | Head | Brick Layer | Iowa |
| 12 | Jennie Thompson | 45 | Wife | — | Norway |
| 13 | Dorothy Thompson THIS PERSON | 23 | Daughter | Pocket Girl | Iowa |
| 14 | John Thompson | 21 | Son | Repairer | Iowa |
| 15 | Amos Thompson | 18 | Son | — | Iowa |
| 16 | Edward Thompson | 74 | Father | — | New Hampshire |
| 17 | R. L. Gothard | 24 | Head | Interior Decorator | Iowa |
| 18 | Al J. Berardi | 38 | Head | Musician & Music Teacher | Ohio |
| 19 | Donna Berardi | 27 | Wife | — | Iowa |
| 20 | Jannene Berardi | 12 | Daughter | — | Iowa |
| 21 | C. A. Rauscher | 53 | Head | Machinist | Iowa |
| 22 | Margaret L. Rauscher | 47 | Wife | — | Iowa |
| 23 | William Dochtermann | 63 | Head | Manager For Painters Union | Wisconsin |
| 24 | Anna E. Dochtermann | 61 | Wife | — | Iowa |
| 25 | Robert Dochtermann | 38 | Head | Floorman | Iowa |
| 26 | Mary Dochtermann | 30 | Wife | — | Iowa |
| 27 | John William Dochtermann | 14 | Son | — | Iowa |
| 28 | Robert Jr. Dochtermann | 11 | Son | — | Iowa |
| 29 | Ernest Warren Dochtermann | 7 | Son | — | Iowa |
| 30 | Edward Louis Dochtermann | 2 | Son | — | Iowa |
| 31 | Hattie Bickford | 82 | Head | — | Wisconsin |
| 32 | Charles Field | 76 | Head | — | Iowa |
| 33 | Nannie Field | 76 | Wife | — | Iowa |
| 34 | Ralph D. Osborne | 44 | Head | Building Laborer | Illinois |
| 35 | Bernida Osborne | 44 | Wife | — | Iowa |
| 36 | Ralph Jr. Osborne | 12 | Son | — | Iowa |
| 37 | Carl Fisanza | 32 | Head | Linotype Operator | Iowa |
| 38 | Dora Fisanza | 30 | Wife | — | Iowa |
| 39 | Esther Osborn | 27 | Sister-in-law | Saleslady | Minnesota |
| 40 | Geas L. Shaw | 62 | Head | Coffee & Tea Salesman | Iowa |
Related Census Records
Pedigree Summary
Dorothy + 2 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 1940 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)