DH
Donald Hill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Bernardino-County, California
Our Model Tree links this Donald Hill across the 1920, 1930 and 1940 US Censuses in San-Bernardino-County, California (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 5-person household.
Age 58
b. ~1882
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Bernardino-County, California |
| Surname | Hill |
| Given Name | Donald E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Ontario |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Mechanical Engineer |
| Industry | Irrigation |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | California |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Mechanical Engineer |
| Township / Ward | Unincorporated Place Camp Baldy |
| Est. Birth Year | ~1882 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| William Ingalls | Son | — | 30 | ~1910 |
| Reed Hill | Daughter | — | 33 | ~1907 |
| Donald Hill | Head | — | 58 | ~1882 |
| Patricia Hill | Daughter | — | 19 | ~1921 |
| Ida Hill | Spouse | — | 56 | ~1884 |
Census Appearances
1920
San Bernardino, …
Head, age 39
San Bernardino, California · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Donald E |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Mechanical Engr |
| Industry | Iron works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
San Bernardino, …
Head, age 48
San Bernardino, California · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Donald E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Farmer |
| Industry | Citrus Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
San-Bernardino-County, California
Head, age 58
San-Bernardino-County, California · implied b. ~1882 — 5 household members
| Surname | Hill |
| Given Name | Donald E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Ontario |
| 1935 Residence (County) | Los Angeles |
| Occupation | Mechanical Engineer |
| Industry | Irrigation |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | California |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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.
Show:
This person
Anchor record
Donald Hill
Head · 1940 · age 58 · b. ~1882 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Bernardino-County, California
Open full size
1940 US Federal Census — San-Bernardino-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00294-00552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Jaschke | 37 | Head | Blacksmith | Minnesota |
| 2 | Alice Jaschke | 31 | Wife | — | Kentucky |
| 3 | Billie J. Jaschke | 8 | Daughter | — | California |
| 4 | Mary Alice Jaschke | 8 | Daughter | — | California |
| 5 | Samuel M. Fields | 66 | Head | Veterinary Inspector | Kentucky |
| 6 | Beatrice Fields | 63 | Wife | — | Kentucky |
| 7 | John Hook | 70 | Head | Traveling Salesman | Iowa |
| 8 | Jennie Hook | 66 | Wife | — | Iowa |
| 9 | Elsie S. Ford | 13 | Daughter | — | Tennessee |
| 10 | Russell A. Ford | 37 | Head | Stone Mason | Tennessee |
| 11 | Mitchell Blanche M. Ford | 55 | Wife | — | Indiana |
| 12 | Ray Mitchell | 57 | Head | Janitor | — |
| 13 | Burt C. Stratton | 71 | Head | Manager Of Ranch | Illinois |
| 14 | Donald E. Hill THIS PERSON | 58 | Head | Mechanical Engineer | New York |
| 15 | Ida A. Hill | 56 | Wife | Nurse | Wisconsin |
| 16 | Reed Ruth I. Hill | 33 | Daughter | Nurse Doctors Office | Minnesota |
| 17 | William B. Ingalls | 30 | Son | Painter | Wisconsin |
| 18 | Patricia J. Hill | 19 | Daughter | — | California |
| 19 | Norman S. Lawson | 39 | Head | Rancher | Argentine |
| 20 | Jennie D. Lawson | 40 | Wife | — | Scotland |
| 21 | Elsie M. Lawson | 11 | Daughter | — | California |
| 22 | Charles M. Lawson | 7 | Son | — | California |
| 23 | Cecilia M. Lawson | 80 | Mother | — | Scotland |
| 24 | Elena Anda | 50 | Servant | — | Mexico |
| 25 | Harold A. Hemingway | 34 | Head | Store Manager | Washington |
| 26 | Ida M. Hemingway | 32 | Wife | — | England |
| 27 | Kenneth L. Hemingway | 11 | Son | — | California |
| 28 | Robert A. Hemingway | 6 | Son | — | California |
| 29 | James E. Hemingway | 2 | Son | — | California |
| 30 | John Balanakry | 56 | Hired Hand | Sheep Herder | Russia |
| 31 | William Fleetwood | 38 | Head | Shaftsman Laborer | Missouri |
| 32 | Ellen S. Fleetwood | 28 | Wife | — | — |
| 33 | Betty R. Fleetwood | 8 | Daughter | — | — |
| 34 | Billie Jr. Fleetwood | 7 | Son | — | — |
| 35 | Mary L. Gillingwaters | 53 | Head | Caretaker Citrus Grove | Kentucky |
| 36 | Manuel Rodriguez | 44 | Head | Laborer | Mexico |
| 37 | Joe Rodriguez | 15 | Son | N.W. | California |
| 38 | Orosa Rodriguez | 15 | Daughter | — | California |
| 39 | Esther Rodriguez | 13 | Daughter | — | California |
| 40 | Roy Rodriguez | 10 | Son | — | California |
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)