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Robert Wolf — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hancock-County, Iowa
Our Model Tree links this Robert Wolf across the 1930 and 1940 US Censuses in Hancock-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 13-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Iowa |
| Surname | Wolf |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Corwith town |
| 1935 Residence (County) | Hancock |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Corwith Town |
| Est. Birth Year | ~1927 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Douglas Wolf | Son | — | 12 | ~1928 |
| Neil Wolf | Son | — | 16 | ~1924 |
| Henry Wolf | Head | — | 49 | ~1891 |
| Le Wolf | Son | — | 19 | ~1921 |
| Mabel Wolf | Spouse | — | 50 | ~1890 |
| Henry Wolf | Son | — | 20 | ~1920 |
| Charles Wolf | Son | — | 5 | ~1935 |
| Robert Wolf | Son | — | 13 | ~1927 |
| Mary Wolf | Daughter | — | 9 | ~1931 |
| Leo Wolf | Son | — | 10 | ~1930 |
| Jo Wolf | Daughter | — | 15 | ~1925 |
| Patricia Wolf | Daughter | — | 8 | ~1932 |
| June Wolf | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Hancock, Iowa
Son, age 3
Hancock, Iowa · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hancock-County, Iowa
Son, age 13
Hancock-County, Iowa · implied b. ~1927 — 13 household members
| Surname | Wolf |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Corwith town |
| 1935 Residence (County) | Hancock |
| Highest Grade | No 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 Robert Wolf across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Wolf
Son · 1940 · age 13 · b. ~1927 · Iowa
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Sibling
Douglas Wolf
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Wolf
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Wolf
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Le Wolf
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jo Wolf
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Wolf
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neil Wolf
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Wolf
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Wolf
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Wolf
Sibling · 1940 · age 20
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 — Hancock-County, Iowa
Open full size
1940 US Federal Census — Hancock-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01164-00696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John (X) Carlson | 70 | Head | — | Sweden |
| 2 | Alma Carlson | 21 | Daughter | Stenographer | Iowa |
| 3 | James R. Taft | 49 | Head | Carpenter | Kentucky |
| 4 | Mary (X) Taft | 44 | Wife | — | Illinois |
| 5 | John Taft | 15 | Son | — | Iowa |
| 6 | Charlie Erickson | 49 | Head | Janitor | Iowa |
| 7 | Lowell (X) Erickson | 38 | Wife | — | Iowa |
| 8 | Burlette Erickson | 18 | Daughter | — | Iowa |
| 9 | Kenneth Erickson | 16 | Son | — | Iowa |
| 10 | Richard Erickson | 13 | Son | — | Iowa |
| 11 | Alfred Charles Erickson | 6 | Son | — | Iowa |
| 12 | Shelide P. (X) Stark | 65 | Head | — | Indiana |
| 13 | Esther Stark | 60 | Wife | — | Nebraska |
| 14 | Mamie Doris Sorenson | 20 | Daughter | Waitress | Minnesota |
| 15 | Kenneth Lee Stark | 13 | Son | — | Iowa |
| 16 | Dick Quackenbush | 49 | Head | — | Illinois |
| 17 | Winifred Quackenbush | 48 | Wife | — | Iowa |
| 18 | Henry Wolf | 49 | Head | Pool Hall Operator | Illinois |
| 19 | Mabel (X) Wolf | 50 | Wife | — | Wisconsin |
| 20 | Henry H. Wolf | 20 | Son | Shipping Clerk | Iowa |
| 21 | Le Roy Wolf | 19 | Son | Timberwork | Iowa |
| 22 | June Wolf | 18 | Daughter | — | Iowa |
| 23 | Neil Wolf | 16 | Son | Farm Laborer | Iowa |
| 24 | Jo Anne Wolf | 15 | Daughter | — | Iowa |
| 25 | Robert Wolf THIS PERSON | 13 | Son | — | Iowa |
| 26 | Douglas Wolf | 12 | Son | — | Iowa |
| 27 | Leo Wolf | 10 | Son | — | Iowa |
| 28 | Mary Lou Wolf | 9 | Daughter | — | Iowa |
| 29 | Patricia Wolf | 8 | Daughter | — | Iowa |
| 30 | Charles Wolf | 5 | Son | — | Iowa |
| 31 | Shelby (X) Stephens | 50 | Head | — | Missouri |
| 32 | Beverly Stephens | 23 | Wife | — | Iowa |
| 33 | Wulma Stephens | 20 | Daughter | Stenographer | Iowa |
| 34 | Kenneth A. Stephens | 18 | Son | Night Operator | Iowa |
| 35 | Devere Stephens | 15 | Son | — | Iowa |
| 36 | James Stephens | 4 | Son | — | Iowa |
| 37 | Robert Stephens | 2 | Son | — | Iowa |
| 38 | Lucy Harris | 68 | Mother-in-law | — | Iowa |
| 39 | Frank Adreon | 50 | Head | Section Man | Illinois |
| 40 | Pearl (X) Adreon | 47 | Wife | — | Tennessee |
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)