RK
Robert King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Robert King across the 1920, 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Howard & Harriet — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | King |
| Given Name | Robert S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Occupation | Engraver |
| Industry | Watch Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Penna |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Engraver |
| Township / Ward | Pequea |
| Est. Birth Year | ~1903 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Roberta King | Daughter | — | 13 | ~1927 |
| Robert King | Head | — | 37 | ~1903 |
| Ronald King | Son | — | 7 | ~1933 |
| Dennis King | Son | — | 5 | ~1935 |
| Dorothy King | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Lancaster, Pennsylvania
Son, age 17
Lancaster, Pennsylvania · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Finisher |
| Industry | Watch factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Lancaster, Pennsylvania
Head, age 28
Lancaster, Pennsylvania · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 23 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Watch maker |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | no |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Lancaster-County, Pennsylvania
Head, age 37
Lancaster-County, Pennsylvania · implied b. ~1903 — 5 household members
| Surname | King |
| Given Name | Robert S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lancaster |
| Occupation | Engraver |
| Industry | Watch Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Penna |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Howard King (~0.92 confidence) and mother Harriet King (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Howard King
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Harriet King
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert King
Head · 1940 · age 37 · b. ~1903 · 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 — Lancaster-County, Pennsylvania
Open full size
1940 US Federal Census — Lancaster-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03534-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James T. Lungren | 74 | Head | — | Penna |
| 2 | Frank Wood | 28 | Head | Laborer | North Carolina |
| 3 | Florence Wood | 21 | Wife | — | Penna |
| 4 | Janet Wood | 3 | Daughter | — | Penna |
| 5 | Raymond Wood | 1 | Son | — | Penna |
| 6 | Ida C. Adams | 73 | Head | — | Penna |
| 7 | Bert Wagner | 24 | Head | Motorboat Operator | Penna |
| 8 | Ethel Wagner | 21 | Wife | — | North Carolina |
| 9 | Neila S. Wagner | 4 | Daughter | — | Penna |
| 10 | Janice Wagner | 2 | Daughter | — | Penna |
| 11 | Harold Killian | 27 | Head | Electric Welder | Penna |
| 12 | Thelma Killian | 23 | Wife | — | Penna |
| 13 | Harold Jr. Killian | 2 | Son | — | Penna |
| 14 | Geraldine Killian | 0 | Daughter | — | Penna |
| 15 | Mario W. Boatman | 43 | Head | Plumber | Penna |
| 16 | Mary Boatman | 30 | Wife | — | Penna |
| 17 | Paul Lungren | 38 | Head | Mechanic | Penna |
| 18 | Mary Lungren | 38 | Wife | — | Penna |
| 19 | William Lungren | 17 | Son | Water Boy | Penna |
| 20 | Betty Lungren | 14 | Daughter | — | Penna |
| 21 | Mary Lungren | 13 | Daughter | — | Penna |
| 22 | Walter Lungren | 10 | Son | — | Penna |
| 23 | Raymond Patrick | 24 | Head | Coal Dredger | North Carolina |
| 24 | Edna Patrick | 18 | Wife | — | Penna |
| 25 | Gwyn Patrick | 1 | Son | — | Penna |
| 26 | Wesley Whitmyer | 69 | Head | Laborer | Penna |
| 27 | Nettie Whitmyer | 69 | Wife | — | Penna |
| 28 | John F. Hahn | 80 | Head | — | Penna |
| 29 | Robert S. King THIS PERSON | 37 | Head | Engraver | New Jersey |
| 30 | Dorothy H. King | 33 | Wife | — | Illinois |
| 31 | Roberta King | 13 | Daughter | — | Penna |
| 32 | Ronald King | 7 | Son | — | Penna |
| 33 | Dennis King | 5 | Son | — | Penna |
| 34 | John F. Stoll | 62 | Head | Part Owner And Manager | Penna |
| 35 | Kathryn M. Stoll | 47 | Wife | Saleslady | Penna |
| 36 | William Metzler | 63 | Boarder | — | Penna |
| 37 | Chester Hoeling | 27 | Head | Steam Engineer | Penna |
| 38 | Gladys M. Hoeling | 22 | Wife | — | Penna |
| 39 | Chester Jr. Hoeling | 4 | Son | — | Penna |
| 40 | Dorothy L. Hoeling | 3 | Daughter | — | Penna |
Pedigree Summary
Robert
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)