RH
Robert Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Yakima-County, Washington
Our Model Tree links this Robert Hart across the 1930 and 1940 US Censuses in Yakima-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Yakima-County, Washington |
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Mabton Rural |
| 1935 Residence (County) | Yakima |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Mabton Rural |
| Est. Birth Year | ~1922 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Keith Hart | Son | — | 15 | ~1925 |
| Robert Hart | Son | — | 18 | ~1922 |
| Billy Hart | Son | — | 12 | ~1928 |
| Maxine Hart | Daughter | — | 10 | ~1930 |
| Marilyn Hart | Daughter | — | 6 | ~1934 |
| Louise Hart | Spouse | — | 43 | ~1897 |
| F Hart | Head | — | 47 | ~1893 |
| Judy Hart | Daughter | — | 2 | ~1938 |
| Glenn Hart | Son | — | 21 | ~1919 |
Census Appearances
1930
Yakima, Washington
Son, age 9
Yakima, Washington · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Yakima-County, Washington
Son, age 18
Yakima-County, Washington · implied b. ~1922 — 9 household members
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Mabton Rural |
| 1935 Residence (County) | Yakima |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Hart
Son · 1940 · age 18 · b. ~1922 · Washington
★ You are viewing this record
Sibling
Glenn Hart
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Judy Hart
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Keith Hart
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Hart
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Hart
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Hart
Sibling · 1940 · age 6
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 — Yakima-County, Washington
Open full size
1940 US Federal Census — Yakima-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04372-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harvey Knudsen | 15 | Son | Laborer | Idaho |
| 42 | Donald Knudsen | 12 | Son | Laborer | California |
| 43 | Charles Knudsen | 8 | Son | Laborer | Oregon |
| 44 | Cecil Knudsen | 3 | Son | Laborer | Washington |
| 45 | E. C. Mathiesen | 43 | Head | Laborer | N. Dakota |
| 46 | Christina Mathiesen | 48 | Wife | — | N. Dakota |
| 47 | Carson Erickson | 31 | Head | Laborer | Washington |
| 48 | Loretta Erickson | 27 | Wife | — | Missouri |
| 49 | Terry Erickson | 4 | Son | — | Washington |
| 50 | F. E. Hart | 47 | Head | Laborer | N. Carolina |
| 51 | Louise Hart | 43 | Wife | — | Virginia |
| 52 | Glenn Hart | 21 | Son | Laborer | Washington |
| 53 | Robert Hart THIS PERSON | 18 | Son | — | Washington |
| 54 | Keith Hart | 15 | Son | — | Washington |
| 55 | Billy Hart | 12 | Son | — | Washington |
| 56 | Maxine Hart | 10 | Daughter | — | Washington |
| 57 | Marilyn Hart | 6 | Daughter | — | Washington |
| 58 | Judy Hart | 2 | Daughter | — | Washington |
| 59 | Palmer Rose | 28 | Head | Laborer | Washington |
| 60 | Clara Rose | 22 | Wife | — | Washington |
| 61 | Palmer Jorgensen | 33 | Head | Laborer | Washington |
| 62 | Velda Jorgensen | 31 | Wife | — | Washington |
| 63 | Lannie Jorgensen | 9 | Son | — | Washington |
| 64 | Diana Jorgensen | 6 | Daughter | — | Washington |
| 65 | Patricia Jorgensen | 2 | Daughter | — | Washington |
| 66 | Mrs. Matta Erickson | 68 | Head | — | Wisconsin |
| 67 | Irving Erickson | 40 | Son | Laborer | Wisconsin |
| 68 | Chester Erickson | 40 | Son | Laborer | Wisconsin |
| 69 | Wm. Heniken | 58 | Head | Laborer | Illinois |
| 70 | Mary Heniken | 62 | Wife | — | Missouri |
| 71 | Chris T. Scheel | 41 | Head | Laborer | Russia |
| 72 | Emma Scheel | 35 | Wife | — | Nebraska |
| 73 | Fern Scheel | 14 | Daughter | — | Colorado |
| 74 | Roberta Scheel | 12 | Daughter | — | Colorado |
| 75 | Alvin Scheel | 8 | Son | — | Colorado |
| 76 | Orange Scheel | 6 | Son | — | Colorado |
| 77 | Eileen Scheel | 3 | Daughter | — | Colorado |
| 78 | Chester Scheel | 1 | Son | — | Washington |
| 79 | Fred Schlienz | 55 | Head | Laborer | Nebraska |
| 80 | Marie Schlienz | 57 | Wife | — | 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)