RK
Ralph King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Indiana-County, Pennsylvania
Our Model Tree links this Ralph King across the 1920, 1930 and 1940 US Censuses in Indiana-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Elias — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Indiana-County, Pennsylvania |
| Surname | King |
| Given Name | Ralph |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Green Twp. |
| 1935 Residence (County) | Indiana |
| Additional Details | |
| Occupation | laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 577 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Green Twp |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph King | Head | — | 32 | ~1908 |
| Duane King | Son | — | 5 | ~1935 |
| Joan King | Daughter | — | 2 | ~1938 |
| Mildred King | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machine-hand |
| Industry | Marble Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Indiana-County, Pennsylvania
Head, age 32
Indiana-County, Pennsylvania · implied b. ~1908 — 4 household members
| Surname | King |
| Given Name | Ralph |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Green Twp. |
| 1935 Residence (County) | Indiana |
| Occupation | laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 577 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Ralph King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles King (~0.92 confidence) and father Elias King (~0.92 confidence) and mother Maud King (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles King
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Elias King
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Maud King
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph King
Head · 1940 · age 32 · b. ~1908 · Pennsylvania
★ 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 — Indiana-County, Pennsylvania
Open full size
1940 US Federal Census — Indiana-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03517-00370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Leamer | 30 | head | Laborer | Pennsylvania |
| 2 | Mary Leamer | 26 | wife | — | Pennsylvania |
| 3 | Jean Leamer | 9 | daughter | — | Pennsylvania |
| 4 | Isabel Leamer | 8 | daughter | — | Pennsylvania |
| 5 | Carol Leamer | 4 | daughter | — | Pennsylvania |
| 6 | Lois Leamer | 2 | daughter | — | Pennsylvania |
| 7 | Lem Stiffler | 68 | head | Farmer | Pennsylvania |
| 8 | Cora Stiffler | 70 | sister | — | Pennsylvania |
| 9 | Gilbert Mcnulty | 25 | nephew | — | Pennsylvania |
| 10 | Irene Shepherd | 22 | lodger | Housekeeper | Pennsylvania |
| 11 | Hannah Shepherd | 20 | lodger | Housekeeper | Pennsylvania |
| 12 | Harry Stockley | 46 | head | Miner | Pennsylvania |
| 13 | Ines Stockley | 44 | wife | — | Pennsylvania |
| 14 | Russel Stockley | 20 | son | New Worker | Pennsylvania |
| 15 | Richard Stockley | 15 | son | — | Pennsylvania |
| 16 | Rida Mae Stockley | 13 | daughter | — | Pennsylvania |
| 17 | Raymond Stockley | 6 | son | — | Pennsylvania |
| 18 | Robert Stockley | 4 | son | — | Pennsylvania |
| 19 | Simeon Stiffler | 75 | head | — | Pennsylvania |
| 20 | Otto E. Kroll | 60 | head | Farmer | Ohio |
| 21 | Olive J. Kroll | 19 | daughter | — | Pennsylvania |
| 22 | Warren King | 57 | head | Laborer | Pennsylvania |
| 23 | Emma King | 53 | wife | — | Pennsylvania |
| 24 | Mae King | 27 | daughter | New Worker | Pennsylvania |
| 25 | Wilma King | 18 | daughter | — | Pennsylvania |
| 26 | James King | 16 | son | — | Pennsylvania |
| 27 | Ivan Hudson | 32 | head | Laborer | Pennsylvania |
| 28 | Ralph King THIS PERSON | 32 | head | Laborer | Pennsylvania |
| 29 | Mildred King | 32 | wife | — | Pennsylvania |
| 30 | Duane King | 5 | son | — | Pennsylvania |
| 31 | Joan King | 2 | daughter | — | Pennsylvania |
| 32 | Mervin Long | 51 | head | Farmer | Pennsylvania |
| 33 | Mae Long | 45 | wife | — | Pennsylvania |
| 34 | Forrest Long | 27 | son | Helper | Pennsylvania |
| 35 | Leonard Long | 21 | son | New Worker | Pennsylvania |
| 36 | Homer Long | 16 | son | — | Pennsylvania |
| 37 | Edna Long | 14 | daughter | — | Pennsylvania |
| 38 | Frieda Long | 11 | daughter | — | Pennsylvania |
| 39 | Stella Long | 5 | daughter | — | Pennsylvania |
| 40 | James Long | 16 | nephew | — | Pennsylvania |
Pedigree Summary
Ralph
Gen 1 · 3 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)