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Mary Bradley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Poweshiek-County, Iowa
Our Model Tree links this Mary Bradley across the 1920, 1930 and 1940 US Censuses in Poweshiek-County, Iowa (XGBoost, ~Confirmed), with identified parents Rosa — first a daughter (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Female
Daughter
Born: Iowa
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Poweshiek-County, Iowa |
| Surname | Bradley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Divorced |
| Birthplace | Iowa |
| 1935 Residence (City) | Grinnell City |
| 1935 Residence (County) | Poweshiek |
| Additional Details | |
| Occupation | Office Employee |
| Industry | Utilities |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1092 |
| Highest Grade | 7 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Office Employee |
| Township / Ward | Grinnell City |
| Est. Birth Year | ~1885 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Bradley | Daughter | — | 55 | ~1885 |
| Edna Bradley | Daughter | — | 35 | ~1905 |
| Rosa Bradley | Head | — | 79 | ~1861 |
| George Bradley | Son | — | 47 | ~1893 |
Census Appearances
1920
Poweshiek, Iowa
Daughter, age 35
Poweshiek, Iowa · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Occupation | Operator |
| Industry | Glove Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Poweshiek, Iowa
Daughter, age 45
Poweshiek, Iowa · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Occupation | Bookkeeper |
| Industry | Utilities Co. Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Poweshiek-County, Iowa
Daughter, age 55
Poweshiek-County, Iowa · implied b. ~1885 — 4 household members
| Surname | Bradley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Divorced |
| Birthplace | Iowa |
| 1935 Residence (City) | Grinnell City |
| 1935 Residence (County) | Poweshiek |
| Occupation | Office Employee |
| Industry | Utilities |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1092 |
| Highest Grade | 7 |
| 1935 Residence | Iowa |
| 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 Mary Bradley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rosa Bradley (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rosa Bradley
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Bradley
Daughter · 1940 · age 55 · b. ~1885 · Iowa
★ You are viewing this record
Sibling
Edna Bradley
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Bradley
Sibling · 1940 · age 47
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 — Poweshiek-County, Iowa
Open full size
1940 US Federal Census — Poweshiek-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01200-00203)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bessie Curtis | 61 | Head | — | Iowa |
| 42 | Paul Curtis | 17 | Son | — | Iowa |
| 43 | Mabel Wilfong | 32 | Head | House Aid | Montana |
| 44 | Robert Wilfong | 8 | Son | — | Iowa |
| 45 | Thomas A. Wilson | 37 | Head | Employee | Iowa |
| 46 | Eleanor Wilson | 32 | Wife | — | Wisconsin |
| 47 | Hattie Emery | 65 | Head | Retired Pension | Iowa |
| 48 | W. W. Pierce | 69 | Head | Retired | Iowa |
| 49 | Ira C. Brown | 57 | Head | Veterinarian | Iowa |
| 50 | Merchie Brown | 29 | Wife | — | Iowa |
| 51 | Edna Brown | 26 | Daughter | Secretary | Iowa |
| 52 | Robert Brown | 13 | Son | — | Iowa |
| 53 | Myron A. Plum | 40 | Head | Welder | Iowa |
| 54 | Florence Plum | 38 | Wife | Operator | Iowa |
| 55 | Mabel Plum | 20 | Daughter | — | Iowa |
| 56 | Norma Stacker | 29 | Lodger | Edge Trimmer | Iowa |
| 57 | Olia M. Elemorud | 55 | Head | Housework | Iowa |
| 58 | Nellie Elemorud | 24 | Daughter | Stenographer | Iowa |
| 59 | Josephine Jones | 62 | Head | — | Indiana |
| 60 | Mildred Jones | 30 | Daughter | — | Iowa |
| 61 | Sheldon Ahrens | 32 | Son-in-law | Meat Cutter | Iowa |
| 62 | Elmer Fisher | 74 | Head | Retired | Pennsylvania |
| 63 | Clara Fisher | 69 | Wife | — | Wisconsin |
| 64 | Floyd Fisher | 44 | Son | Tinner | Iowa |
| 65 | Lilly Upchurch | 49 | Head | Seamstress | Kentucky |
| 66 | Charles Huff | 43 | Head | Laborer | Illinois |
| 67 | Fannie Huff | 44 | Wife | House Maid | Iowa |
| 68 | Mildred Huff | 21 | Daughter | In Training | Iowa |
| 69 | Roy Heinecker | 30 | Head | Cook | Iowa |
| 70 | Anna Heinecker | 30 | Wife | Waitress | Missouri |
| 71 | William Shepley | 67 | Head | Chef | England |
| 72 | Clara Shepley | 40 | Wife | — | Austria-Hungary |
| 73 | Mina Graham | 67 | Head | — | Iowa |
| 74 | Rosa Bradley | 79 | Head | Retired | Michigan |
| 75 | Mary Bradley THIS PERSON | 55 | Daughter | Office Employee | Iowa |
| 76 | George Bradley | 47 | Son | — | Iowa |
| 77 | Edna Bradley | 35 | Daughter | Operator | Iowa |
| 78 | James Bengham | 84 | Head | Farming | Iowa |
| 79 | Sarah Bengham | 79 | Wife | — | Iowa |
| 80 | James Jr. Mccann | 28 | Head | Clerk | Iowa |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 1 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)