DH
Dorothy Hall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Dorothy Hall across the 1910, 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Martenis & Mrs — first a daughter (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Hall |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Policy Writer |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 274 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Policy Writer |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1902 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Hall | Daughter | — | 38 | ~1902 |
| Martenis Hall | Head | — | 65 | ~1875 |
| Nellie Hall | Spouse | — | 65 | ~1875 |
Census Appearances
1910
Polk, Iowa
Daughter, age 8
Polk, Iowa · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Dorothea |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Daughter, age 17
Polk, Iowa · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Clerk |
| Industry | Retail Department Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Daughter, age 27
Polk, Iowa · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Dorothy L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Stenograph. |
| Industry | Life Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 38
Polk-County, Iowa · implied b. ~1902 — 3 household members
| Surname | Hall |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Occupation | Policy Writer |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 274 |
| Highest Grade | H 3 |
| 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 Hall across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Martenis Hall (~0.92 confidence) and mother Mrs Hall (~0.92 confidence) and mother Nellie Hall (~0.92 confidence) and father Martin Hall (~0.92 confidence) and father T Hall (~0.92 confidence) and mother Lillian Hall (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martenis Hall
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mrs Hall
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Nellie Hall
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Martin Hall
b. ~1876
Source father
● Household
· direct · ~0.92
Father
T Hall
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Lillian Hall
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Hall
Daughter · 1940 · age 38 · b. ~1902 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01196-00464)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Wallerstedt | 69 | Head | Baker | Sweden |
| 2 | Florence Wallerstedt | 45 | Daughter | Housewife | Iowa |
| 3 | Viola Wallerstedt | 37 | Daughter | Saleslady | Iowa |
| 4 | Clara Alson | 78 | Head | — | Sweden |
| 5 | Esther Alson | 49 | Daughter | Clerical | Iowa |
| 6 | Jacob Rosenbloom | 64 | Head | Metal Cleaner | Lithuania |
| 7 | Fannie Rosenbloom | 62 | Wife | — | Lithuania |
| 8 | John Langland | 72 | Head | Wrapper | Iowa |
| 9 | Barbara Langland | 75 | Wife | — | Norway |
| 10 | Sigve Langland | 43 | Son | Labor | Iowa |
| 11 | George Saverude | 24 | Lodger | Labor | Iowa |
| 12 | James O'Meara | 77 | Head | Grocer | Tennessee |
| 13 | Mary O'Meara | 74 | Wife | — | Illinois |
| 14 | Mary E. O'Meara | 45 | Daughter | Saleslady | Iowa |
| 15 | Theoline O'Meara | 38 | Daughter | Grocer Clerk | Iowa |
| 16 | Mary L. O'Meara | 9 | Granddaughter | — | Iowa |
| 17 | Katherine O'Meara | 6 | Granddaughter | — | Iowa |
| 18 | Raymond Davitt | 29 | Head | Knitter | Iowa |
| 19 | Mary Davitt | 67 | Mother | — | Iowa |
| 20 | Helen Davitt | 36 | Daughter | — | Iowa |
| 21 | Charles Mueller | 31 | Head | Dairy Driver | Nebraska |
| 22 | Annabelle Mueller | 25 | Wife | Machine Oper. | Missouri |
| 23 | Martenis Hall | 65 | Head | Custodian | Iowa |
| 24 | Nellie Hall | 65 | Wife | — | Iowa |
| 25 | Dorothy Hall THIS PERSON | 38 | Daughter | Policy Writer | Iowa |
| 26 | George Mcknight | 54 | Head | Salesman | Iowa |
| 27 | Bert Mcknight | 58 | Wife | — | Kentucky |
| 28 | Iver Bartlett | 25 | Head | Baker | Iowa |
| 29 | Doris Bartlett | 25 | Wife | Cashier | Iowa |
| 30 | Katherine Bartlett | 0 | Daughter | — | Iowa |
| 31 | Fred Bartlett | 54 | Head | Plumber | Iowa |
| 32 | Mabel Bartlett | 54 | Wife | — | Iowa |
| 33 | Bernice Bartlett | 17 | Daughter | — | Iowa |
| 34 | James Powell | 48 | Head | Labor | Missouri |
| 35 | Rilla Powell | 44 | Wife | — | Iowa |
| 36 | Russell Powell | 23 | Son | Labor | Iowa |
| 37 | Willard Jeffress | 23 | Head | Clerk | Iowa |
| 38 | Mildred Jeffress | 23 | Wife | — | Iowa |
| 39 | Suzanne Jeffress | 3 | Daughter | — | Iowa |
Pedigree Summary
Dorothy
Gen 1 · 6 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)