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Mary Bentley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Taylor-County, Iowa
Our Model Tree links this Mary Bentley across the 1930 and 1940 US Censuses in Taylor-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Taylor-County, Iowa |
| Surname | Bentley |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Blockton town |
| 1935 Residence (County) | Taylor |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Blockton Town |
| Est. Birth Year | ~1929 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Jean Bentley | Son | — | 3 | ~1937 |
| Mary Bentley | Daughter | — | 11 | ~1929 |
| Milford Bentley | Head | — | 44 | ~1896 |
| Dean Bentley | Son | — | 3 | ~1937 |
| Grace Bentley | Spouse | — | 34 | ~1906 |
| Duane Bentley | Son | — | 9 | ~1931 |
Census Appearances
1930
Taylor, Iowa
Daughter, age 1
Taylor, Iowa · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bentley |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | North Dakota |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Taylor-County, Iowa
Daughter, age 11
Taylor-County, Iowa · implied b. ~1929 — 6 household members
| Surname | Bentley |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Blockton town |
| 1935 Residence (County) | Taylor |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 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 Mary Bentley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bentley
Daughter · 1940 · age 11 · b. ~1929 · Iowa
★ You are viewing this record
Sibling
Duane Bentley
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Bentley
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Bentley
Sibling · 1940 · age 3
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 — Taylor-County, Iowa
Open full size
1940 US Federal Census — Taylor-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01207-00917)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward H. Wilson | 68 | Head | Barber | Iowa |
| 2 | Laura B. Wilson | 66 | Wife | — | Iowa |
| 3 | Lewis C. D. Davidson | 81 | Head | — | Iowa |
| 4 | Martha Davidson | 77 | Wife | — | Illinois |
| 5 | Emery Lawrence Ball | 64 | Head | Truck Farmer | Ohio |
| 6 | Louisa Ball | 63 | Wife | — | Iowa |
| 7 | Fernand H. Biemiller | 67 | Head | Farm Laborer | Iowa |
| 8 | Iona Biemiller | 63 | Wife | — | Iowa |
| 9 | A. Edgar Thompson | 71 | Head | Janitor | Iowa |
| 10 | Sana Alpha Thompson | 68 | Housekeeper | Housekeeper | Iowa |
| 11 | Mary E. Nye | 68 | Head | — | Iowa |
| 12 | William Nye | 40 | Son | Carpenter | Iowa |
| 13 | Winifred R. Sanders | 52 | Head | — | Iowa |
| 14 | Mcclelland Sanders | 25 | Son | Mechanic | Iowa |
| 15 | Dale Sanders | 18 | Son | Helper | Iowa |
| 16 | Billy Sanders | 12 | Son | — | Iowa |
| 17 | Robert A. Ford | 54 | Head | Carrier | Iowa |
| 18 | Georgia Q. Ford | 45 | Wife | — | Iowa |
| 19 | Don K. Ford | 21 | Son | — | Iowa |
| 20 | Emma Ford | 75 | Head | — | Indiana |
| 21 | Milford Bentley | 44 | Head | Operator | Iowa |
| 22 | Grace Q. Bentley | 34 | Wife | — | North Dakota |
| 23 | Mary Louise Bentley THIS PERSON | 11 | Daughter | — | Iowa |
| 24 | Duane Lee Bentley | 9 | Son | — | Iowa |
| 25 | Dean Bentley | 3 | Son | — | Iowa |
| 26 | Jean Bentley | 3 | Son | — | Iowa |
| 27 | Clyde H. Miller | 40 | Head | Section Laborer | Iowa |
| 28 | Mabel Miller | 41 | Wife | — | Iowa |
| 29 | Helen Miller | 17 | Daughter | Librarian | Iowa |
| 30 | Robert Miller | 16 | Son | — | Iowa |
| 31 | Virginia Miller | 5 | Daughter | — | Iowa |
| 32 | C. Ray Simmons | 48 | Head | Carpenter | Missouri |
| 33 | Kate R. Simmons | 48 | Wife | — | Missouri |
| 34 | Edith Simmons | 24 | Daughter | Teacher | Missouri |
| 35 | Lewis Simmons | 18 | Son | Assistant Teacher | Missouri |
| 36 | Lawrence Simmons | 16 | Son | — | Iowa |
| 37 | Wayne Simmons | 12 | Son | — | Iowa |
| 38 | Bert F. Rockholz | 59 | Head | Farmer | Iowa |
| 39 | Maude Rockholz | 52 | Wife | — | Nebraska |
| 40 | Harold J. Rockholz | 24 | Son | Fireman | Iowa |
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)