RK
Robert King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert King across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Alma — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | King |
| Given Name | Robert K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | N.S. Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 416 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Attendant |
| Township / Ward | Ross Twp |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Eleanor King | Daughter | — | 15 | ~1925 |
| Marion King | Daughter | — | 20 | ~1920 |
| John King | Head | — | 57 | ~1883 |
| John King | Son | — | 24 | ~1916 |
| Robert King | Son | — | 22 | ~1918 |
| Alma King | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert L. |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert G |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 6 household members
| Surname | King |
| Given Name | Robert K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | N.S. Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 416 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| 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 Robert King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John King (~0.92 confidence) and mother Alma King (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John King
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Alma King
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert King
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Marion King
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor King
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John King
Sibling · 1940 · age 24
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03416-00455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna E. Schimmel | 48 | Wife | — | Pennsylvania |
| 2 | Albert J. Schimmel | 24 | Son | Office Clerk | Pennsylvania |
| 3 | Harold V. Schimmel | 20 | Son | — | Pennsylvania |
| 4 | George Feltovich | 33 | Head | Mail Clerk | Pennsylvania |
| 5 | Catherine Feltovich | 29 | Wife | — | Pennsylvania |
| 6 | George Jr. Feltovich | 5 | Son | — | Pennsylvania |
| 7 | Pearl B. Dorsey | 47 | Head | — | Pennsylvania |
| 8 | Mary J. Robinson | 41 | Head | — | Michigan |
| 9 | Mary E. Robinson | 15 | Daughter | — | Michigan |
| 10 | Wilbert V. Robinson | 8 | Son | — | Pennsylvania |
| 11 | Dale L. Robinson | 7 | Son | — | Pennsylvania |
| 12 | Edward H. Byers | 51 | Head | Sweeper | Pennsylvania |
| 13 | Flora V. Byers | 47 | Wife | — | Pennsylvania |
| 14 | Dorothy A. Byers | 22 | Daughter | Office Clerk | Pennsylvania |
| 15 | Edward F. Byers | 19 | Son | Library Catalog Assistant | Pennsylvania |
| 16 | Edna Reimenschneider | 47 | Sister-in-law | Shipper | Pennsylvania |
| 17 | William E. Anton | 36 | Head | Meat Salesman | Pennsylvania |
| 18 | Olga D. Anton | 36 | Wife | — | Pennsylvania |
| 19 | Audrey Anton | 2 | Daughter | — | Pennsylvania |
| 20 | Anna Mayer | 26 | Lodger | Elevator Operator | Pennsylvania |
| 21 | John H. Lewis | 44 | Head | Warehouse Helper | Pennsylvania |
| 22 | Blanche E. Lewis | 40 | Wife | — | Pennsylvania |
| 23 | Margaret B. Lewis | 18 | Daughter | — | Pennsylvania |
| 24 | William H. Lewis | 22 | Son | Landscaping | Pennsylvania |
| 25 | John H. Jr. Lewis | 20 | Son | Bed Maker | W. Virginia |
| 26 | Richard F. Lewis | 17 | Son | — | Pennsylvania |
| 27 | Jesse M. Beard | 23 | Lodger | Refiner | Ohio |
| 28 | Anna B. Lentz | 45 | Head | Teacher | Pennsylvania |
| 29 | George R. Lentz | 70 | Father | Store Keeper | Ohio |
| 30 | Sarah A. Lentz | 70 | Mother | — | Pennsylvania |
| 31 | Charles Binder | 42 | Head | Sign Maker | Estonia |
| 32 | Ella R. Binder | 32 | Wife | — | Pennsylvania |
| 33 | Charles A. Binder | 13 | Son | — | Pennsylvania |
| 34 | Robert J. Binder | 2 | Son | — | Pennsylvania |
| 35 | John F. King | 57 | Head | — | Pennsylvania |
| 36 | Alma C. King | 48 | Wife | — | Pennsylvania |
| 37 | John F. Jr. King | 24 | Son | Attendant | Pennsylvania |
| 38 | Robert K. King THIS PERSON | 22 | Son | Attendant | Pennsylvania |
| 39 | Marion King | 20 | Daughter | — | Pennsylvania |
| 40 | Eleanor R. King | 15 | Daughter | — | Pennsylvania |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 2 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)