MK
Mary Kuhn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Benton-County, Iowa
Our Model Tree links this Mary Kuhn across the 1930 and 1940 US Censuses in Benton-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 9-person household.
Age 44
b. ~1896
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Benton-County, Iowa |
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Harrison Twp |
| 1935 Residence (County) | Benton |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Harrison Twp |
| Est. Birth Year | ~1896 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Leo Kuhn | Son | — | 21 | ~1919 |
| Joseph Kuhn | Son | — | 19 | ~1921 |
| Ralph Kuhn | Son | — | 11 | ~1929 |
| Wayne Kuhn | Son | — | 9 | ~1931 |
| Mary Kuhn | Spouse | — | 44 | ~1896 |
| Harold Kuhn | Son | — | 6 | ~1934 |
| Vivian Kuhn | Son | — | 3 | ~1937 |
| William Kuhn | Head | — | 49 | ~1891 |
| Irene Kuhn | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Buchanan, Iowa
Other, age 34
Buchanan, Iowa · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhn |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Benton-County, Iowa
Spouse, age 44
Benton-County, Iowa · implied b. ~1896 — 9 household members
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Harrison Twp |
| 1935 Residence (County) | Benton |
| Highest Grade | 8 |
| 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 Kuhn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kuhn
Spouse · 1940 · age 44 · b. ~1896 · 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 — Benton-County, Iowa
Open full size
1940 US Federal Census — Benton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01138-00298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe D Bingham | 47 | Head | Farmer | Iowa |
| 2 | Lola Bingham | 43 | Wife | — | Iowa |
| 3 | James A Bingham | 19 | Son | — | Iowa |
| 4 | Lawrence Bingham | 17 | Son | — | Iowa |
| 5 | William Bingham | 16 | Son | — | Iowa |
| 6 | Fred S Forsyth | 57 | Head | Farmer | Iowa |
| 7 | Maude Forsyth | 53 | Wife | — | Iowa |
| 8 | Lawrence Forsyth | 24 | Head | Farmer | Iowa |
| 9 | Elvis Forsyth | 18 | Wife | — | Iowa |
| 10 | Walter D Senft | 44 | Head | Farmer | Iowa |
| 11 | Doris Senft | 41 | Wife | — | Iowa |
| 12 | William Hite | 19 | Nephew | Laborer | Iowa |
| 13 | Ruth Bender | 26 | Lodger | Teacher | Iowa |
| 14 | William J Kuhn | 49 | Head | Farmer | Iowa |
| 15 | Mary Kuhn THIS PERSON | 44 | Wife | — | Iowa |
| 16 | Leo J Kuhn | 21 | Son | — | Iowa |
| 17 | Joseph F Kuhn | 19 | Son | — | Iowa |
| 18 | Irene E Kuhn | 13 | Daughter | — | Iowa |
| 19 | Ralph W Kuhn | 11 | Son | — | Iowa |
| 20 | Wayne R Kuhn | 9 | Son | — | Iowa |
| 21 | Harold N Kuhn | 6 | Son | — | Iowa |
| 22 | Vivian J Kuhn | 3 | Son | — | Iowa |
| 23 | Dallas D Floyd | 42 | Head | Farmer | Iowa |
| 24 | Lena Floyd | 39 | Wife | — | Iowa |
| 25 | Harold Floyd | 19 | Son | Laborer | Iowa |
| 26 | Esther Floyd | 16 | Daughter | — | Iowa |
| 27 | Donald Floyd | 7 | Son | — | Iowa |
| 28 | Orlando Blue | 30 | Head | Farmer | Iowa |
| 29 | Frances Blue | 25 | Wife | — | Iowa |
| 30 | Arlene Blue | 1 | Daughter | — | Iowa |
| 31 | Ernest E Demmel | 24 | Head | Farmer | Iowa |
| 32 | Florence Demmel | 21 | Wife | — | Wisconsin |
| 33 | Gilbert S Rice | 31 | Head | Farmer | Iowa |
| 34 | Esta Rice | 28 | Wife | — | Iowa |
| 35 | Allen Rice | 6 | Son | — | Iowa |
| 36 | Donald J Rice | 3 | Son | — | Iowa |
| 37 | John Fred Hoffman | 22 | Head | Farmer | Iowa |
| 38 | Lola Hoffman | 22 | Wife | — | Iowa |
| 39 | Dorothy Kroeger | 20 | Servant | Housekeeper | Iowa |
| 40 | Geo D Stevenson | 71 | Head | Farmer | Wisconsin |
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)