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Mary Bender — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Mary Bender across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1886 |
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 |
|---|---|---|---|---|
| Leona Bender | Daughter | — | 20 | ~1920 |
| Julia Bender | Daughter | — | 17 | ~1923 |
| Mary Bender | Spouse | — | 54 | ~1886 |
| Leon Bender | Head | — | 54 | ~1886 |
Census Appearances
1920
Scott, Iowa
Spouse, age 34
Scott, Iowa · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| 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 |
1930
Scott, Iowa
Spouse, age 44
Scott, Iowa · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Spouse, age 54
Scott-County, Iowa · implied b. ~1886 — 4 household members
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Mary Bender across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Bender
Spouse · 1940 · age 54 · b. ~1886 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Scott-County, Iowa
Open full size
1940 US Federal Census — Scott-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01202-00663)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hannah M Wertz | 55 | Wife | — | Iowa |
| 42 | Leona Wertz | 34 | Daughter | Stenographer | Iowa |
| 43 | Jacob Hartman | 40 | Head | Restaurant | Pennsylvania |
| 44 | Elsie Hartman | 38 | Wife | Cook | Iowa |
| 45 | June Hartman | 18 | Daughter | — | Iowa |
| 46 | Leon W Bender | 54 | Head | Lay Man | Illinois |
| 47 | Mary Bender THIS PERSON | 54 | Wife | — | Iowa |
| 48 | Leona Bender | 20 | Daughter | Stenographer | Iowa |
| 49 | Julia Bender | 17 | Daughter | — | Iowa |
| 50 | Harvey Gerking | 35 | Head | Draftsman | Iowa |
| 51 | Kitty Gerking | 32 | Wife | — | Denmark |
| 52 | Joane Gerking | 8 | Daughter | — | Iowa |
| 53 | Dolores Gerking | 7 | Daughter | — | Iowa |
| 56 | Elsie X Bolles | 63 | Head | — | Pennsylvania |
| 57 | William Bolles | 32 | Son | Salesman | Illinois |
| 58 | Karl J Bowers | 35 | Head | Machine Operator | Iowa |
| 59 | Grace Bowers | 38 | Wife | Guard | Iowa |
| 60 | Rudolph H Jones | 42 | Head | Service Man | Illinois |
| 61 | Bessie M Jones | 41 | Wife | — | Illinois |
| 62 | Forest Mckinney | 40 | Head | Instrument Maker | Pennsylvania |
| 63 | Helen Mckinney | 38 | Wife | — | Iowa |
| 64 | John Mckinney | 9 | Son | — | Iowa |
| 65 | Carole Mckinney | 6 | Daughter | — | Iowa |
| 66 | Fred K Brown | 52 | Head | Foreman Machine Shop | Illinois |
| 67 | Ella M Brown | 49 | Wife | — | Iowa |
| 68 | Norma Brown | 28 | Daughter | — | Iowa |
| 69 | Harry P Harloff | 42 | Head | Cashier | Iowa |
| 70 | Laura W Harloff | 38 | Wife | — | Iowa |
| 71 | Robert E Harloff | 6 | Son | — | Iowa |
| 72 | Peter James | 60 | Head | — | Iowa |
| 73 | Verna James | 30 | Daughter | Nursing | Iowa |
| 74 | Alfred Coxen | 31 | Head | Service Man | Illinois |
| 75 | Lavonah Coxen | 31 | Wife | — | Indiana |
| 76 | Alfred Jr Coxen | 4 | Son | — | Iowa |
| 77 | Albert J Schreck | 43 | Head | Veos Tile | Iowa |
| 78 | Elizabeth W Schreck | 43 | Wife | — | Illinois |
| 79 | Wayne A Schreck | 23 | Son | Clerk Post Office | Iowa |
| 80 | Lois M Schreck | 19 | Daughter | Stenographer | 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)