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Dorothy Dunn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Dorothy Dunn across the 1920, 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed), with identified parents E & Edward — first a daughter (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Dunn |
| Given Name | Dorothy (ab) |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Occupation | stenographer |
| Industry | federal housing |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Stenographer |
| Township / Ward | Mason City |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Laura Dunn | Spouse | — | 51 | ~1889 |
| Mamie Schmidt | Other | — | 36 | ~1904 |
| George Dunn | Son | — | 21 | ~1919 |
| Ted Dunn | Son | — | 27 | ~1913 |
| E Dunn | Head | — | 61 | ~1879 |
| Dorothy Dunn | Daughter | — | 24 | ~1916 |
Census Appearances
1920
Cerro Gordo, …
Daughter, age 4
Cerro Gordo, Iowa · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Dorothy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kentucky |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cerro Gordo, …
Daughter, age 15
Cerro Gordo, Iowa · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunne |
| Given Name | Dorothy A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cerro-Gordo-County, Iowa
Daughter, age 24
Cerro-Gordo-County, Iowa · implied b. ~1916 — 6 household members
| Surname | Dunn |
| Given Name | Dorothy (ab) |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Occupation | stenographer |
| Industry | federal housing |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| 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 Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father E Dunn (~0.92 confidence) and father Edward Dunn (~0.92 confidence) and father Edward Dunne (~0.92 confidence) and mother Laura Dunn (~0.92 confidence) and mother Laura Dunn (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
E Dunn
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Edward Dunn
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Edward Dunne
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Laura Dunn
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Laura Dunn
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Dunn
Daughter · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
George Dunn
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ted Dunn
Sibling · 1940 · age 27
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 — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00491)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Hatz | 20 | daughter | Clerk | Iowa |
| 2 | Rachel Hatz | 8 | daughter | — | Iowa |
| 3 | Robert Risoli | 49 | head | Electrician | Ohio |
| 4 | Lela Risoli | 47 | wife | — | Iowa |
| 5 | Mary Lou Risoli | 15 | daughter | Office Work | Iowa |
| 6 | Everett Mcsweeney | 31 | head | Manager | Minnesota |
| 7 | Fern Mcsweeney | 27 | wife | — | Minnesota |
| 8 | Dixie Mcsweeney | 1 | daughter | — | Minnesota |
| 9 | Frank Long | 30 | head | Station Foreman | Minnesota |
| 10 | Bernadine Long | 26 | wife | — | Minnesota |
| 11 | Raymond Long | 9 | son | — | Iowa |
| 12 | Marilyn Long | 1 | daughter | — | Iowa |
| 13 | Fred C. Warner | 64 | head | — | Ohio |
| 14 | Augusta Warner | 61 | wife | — | Germany |
| 15 | Anton Mccourt | 40 | head | Salesman | Minnesota |
| 16 | Edna Mccourt | 40 | wife | — | Iowa |
| 17 | Laurel E. Mccourt | 8 | daughter | — | Iowa |
| 18 | Jack Mccourt | 6 | son | — | Iowa |
| 19 | Maureen Mccourt | 4 | daughter | — | Iowa |
| 20 | Charles J. Layden | 38 | head | Painter | Iowa |
| 21 | Frankie Layden | 62 | wife | — | Iowa |
| 22 | J. A. Sweet | 48 | head | Superintendent | Iowa |
| 23 | Florence H. Sweet | 46 | wife | — | Iowa |
| 24 | Lucille Sweet | 23 | daughter | Teacher | Iowa |
| 25 | Walter G. (Ab) Sweet | 20 | son | Attendant | Iowa |
| 26 | Clyde (Ab) Hanawalt | 41 | head | — | Iowa |
| 27 | Helen A. Hanawalt | 35 | wife | — | Iowa |
| 28 | Lila Hanawalt | 11 | daughter | — | Iowa |
| 29 | Audrey Hanawalt | 9 | daughter | — | Iowa |
| 30 | E. G. Dunn | 61 | head | U.S. District Atty | Iowa |
| 31 | Laura Dunn | 51 | wife | — | Kentucky |
| 32 | Ted Dunn | 27 | son | — | Iowa |
| 33 | Dorothy (Ab) Dunn THIS PERSON | 24 | daughter | Stenographer | Iowa |
| 34 | George D. Dunn | 21 | son | Lawyer | Iowa |
| 35 | Mamie Schmidt | 36 | maid | Housework | Iowa |
| 36 | Walter Thomas | 29 | head | Ice Cream Maker | Tennessee |
| 37 | Phyllis O. Thomas | 21 | wife | — | Missouri |
| 38 | Lydia Ann Thomas | 2 | daughter | — | Iowa |
| 39 | Barla Clausen | 30 | head | Electrician | Missouri |
| 40 | Edrie Clausen | 32 | wife | Office Girl | Iowa |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 5 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)