DH
Donald Hill — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Donald Hill across the 1920, 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Hill |
| Given Name | Donald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clear Lake City |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Clear Lake City |
| Est. Birth Year | ~1918 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Milton Hill | Son | — | 14 | ~1926 |
| Beverly Hill | Daughter | — | 6 | ~1934 |
| Donald Hill | Son | — | 22 | ~1918 |
| Extra Hill | Other | — | — | |
| Fred Hill | Head | — | 60 | ~1880 |
| Mary Hill | Daughter | — | 17 | ~1923 |
| Ethel Hill | Spouse | — | 44 | ~1896 |
| Wayne Hill | Son | — | 9 | ~1931 |
| Elaine Hill | Daughter | — | 11 | ~1929 |
Census Appearances
1920
Cerro Gordo, …
Son, age 1
Cerro Gordo, Iowa · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Donald R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Canada (French) |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cerro Gordo, …
Son, age 12
Cerro Gordo, Iowa · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Donald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Canada English |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cerro-Gordo-County, Iowa
Son, age 22
Cerro-Gordo-County, Iowa · implied b. ~1918 — 9 household members
| Surname | Hill |
| Given Name | Donald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clear Lake City |
| 1935 Residence (County) | Cerro Gordo |
| Highest Grade | Hs 2 |
| 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 Donald Hill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Hill (~0.92 confidence) and father Fred Hill (~0.92 confidence) and mother Ethel Hill (~0.92 confidence) and mother Ethel Hill (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Hill
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Fred Hill
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ethel Hill
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Ethel Hill
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Hill
Son · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Mary Hill
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Hill
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Hill
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Hill
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Hill
Sibling · 1940 · age 9
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 — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00150)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray J. Hammond | 55 | Head | Electrician Helper | Iowa |
| 2 | Olive M. Hammond | 54 | Wife | — | Iowa |
| 3 | Leland F. Hammond | 25 | Son | Shipping Clerk | Iowa |
| 4 | Lloyd W. Majors | 26 | Head | Shipping Clerk | Iowa |
| 5 | Anabelle M. Majors | 27 | Wife | — | Iowa |
| 6 | Fred O. Blackmore | 61 | Head | — | Iowa |
| 7 | Mary E. Blackmore | 61 | Wife | — | Iowa |
| 8 | Gretchen L. Petersen | 32 | Daughter | — | Iowa |
| 9 | Arthur L. Petersen | 32 | Son-in-law | Building Mechanic | Iowa |
| 10 | Allan B. Petersen | 5 | Grandson | — | Iowa |
| 11 | Lyle E. Fankell | 45 | Head | Truck Operator | Iowa |
| 12 | Ruth E. D. Fankell | 41 | Wife | — | Iowa |
| 13 | Pamela M. Fankell | 20 | Daughter | Bookkeeper | Iowa |
| 14 | William B. Fankell | 16 | Son | — | Iowa |
| 15 | Virginia M. Fankell | 13 | Daughter | — | Iowa |
| 16 | Velma J. Fankell | 11 | Daughter | — | Iowa |
| 17 | Fred Hill | 60 | Head | Road Contractor | Iowa |
| 18 | Ethel M. D. Hill | 44 | Wife | — | Canada-English |
| 19 | Donald R. Hill THIS PERSON | 22 | Son | — | Iowa |
| 20 | Mary L. Hill | 17 | Daughter | Typist | Iowa |
| 21 | Milton L. Hill | 14 | Son | Delivery Boy | Iowa |
| 22 | Elaine M. Hill | 11 | Daughter | — | Iowa |
| 23 | Wayne M. Hill | 9 | Son | — | Iowa |
| 24 | Beverly P. Hill | 6 | Daughter | — | Iowa |
| 25 | Extra Line Hill | None | — | — | — |
| 26 | Jeff D. Strode | 31 | Head | Janitor | Illinois |
| 27 | Minnie E. Strode | 72 | Mother | — | Illinois |
| 28 | Charles W. Huey | 48 | Head | Plumber | Iowa |
| 29 | Rama M. Huey | 50 | Wife | — | Iowa |
| 30 | Henry D. Linne | 51 | Head | Laborer | Sweden |
| 31 | Alvida R. Linne | 42 | Wife | — | Iowa |
| 32 | Irene W. Linne | 14 | Daughter | — | Iowa |
| 33 | Robert J. Linne | 12 | Son | — | Iowa |
| 34 | George Jr. Linne | 11 | Son | — | Iowa |
| 35 | Gertrude M. Linne | 9 | Daughter | — | Iowa |
| 36 | Junior H. Linne | 4 | Son | — | Iowa |
| 37 | Frank Boyd R. Harding | 32 | Head | Welder (Ship) | Iowa |
| 38 | Evelyn R. Harding | 26 | Wife | — | Iowa |
| 39 | Austin W. Minette | 38 | Head | Electrician | Wisconsin |
| 40 | Mildred A. D. Minette | 33 | Wife | — | Iowa |
Pedigree Summary
Donald + 5 siblings
Gen 1 · 4 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)