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James Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Robinson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Harry — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Robinson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | PITTSBURGH |
| 1935 Residence (County) | ALLEGHENY |
| Additional Details | |
| Occupation | Sales Clerk |
| Industry | Retail Confectionery |
| Class of Worker | NP |
| Hours Worked | 52 |
| Income (1939) | 615 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Sales Clerk |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1919 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Clarine Robinson | Daughter | — | 18 | ~1922 |
| Charles Robinson | Head | — | 54 | ~1886 |
| James Robinson | Son | — | 21 | ~1919 |
| Clara Robinson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | James |
| 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/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Robinson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | PITTSBURGH |
| 1935 Residence (County) | ALLEGHENY |
| Occupation | Sales Clerk |
| Industry | Retail Confectionery |
| Class of Worker | NP |
| Hours Worked | 52 |
| Income (1939) | 615 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 James Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Robinson (~0.92 confidence) and father Harry Robinson (~0.92 confidence) and father H Robinson (~0.92 confidence) and mother Frances Robinson (~0.92 confidence) and mother Clara Robinson (~0.92 confidence) and mother Nancy Robinson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Robinson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Harry Robinson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
H Robinson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Frances Robinson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Clara Robinson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Nancy Robinson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Robinson
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Clarine Robinson
Sibling · 1940 · age 18
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-t0627-03654-00157)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roy (Ab) Lokomski | 26 | Son | Farmer | Pennsylvania |
| 2 | Esther Lokomski | 24 | Daughter | Cook | Pennsylvania |
| 3 | Nancy Lokomski | 19 | Daughter | Maid | Pennsylvania |
| 4 | Dolores Lokomski | 15 | Daughter | — | Pennsylvania |
| 5 | Peter Schornack | 40 | Head | Finisher | Minnesota |
| 6 | Leocadia Schornack | 42 | Wife | — | Minnesota |
| 7 | Peter Jr. Schornack | 16 | Son | — | Minnesota |
| 8 | Eugene Schornack | 14 | Son | — | Minnesota |
| 9 | John Stubenrauch | 37 | Head | Mill Rite | Pennsylvania |
| 10 | Laura Stubenrauch | 31 | Wife | — | West Virginia |
| 11 | Ann Stubenrauch | 10 | Daughter | — | Pennsylvania |
| 12 | Patricia Stubenrauch | 7 | Daughter | — | Pennsylvania |
| 13 | Marilyn Stubenrauch | 6 | Daughter | — | Pennsylvania |
| 14 | Donna Stubenrauch | 4 | Daughter | — | Pennsylvania |
| 15 | Larry Stubenrauch | 2 | Son | — | Pennsylvania |
| 16 | Herman Stubenrauch | 42 | Head | Laborer | Pennsylvania |
| 17 | Myrtle Stubenrauch | 35 | Wife | — | Pennsylvania |
| 18 | Florence Stubenrauch | 17 | Daughter | — | Pennsylvania |
| 19 | Anna Jane Stubenrauch | 8 | Daughter | — | Pennsylvania |
| 20 | George Kager | 35 | Head | Laborer | Pennsylvania |
| 21 | Margaret Kager | 30 | Wife | — | Pennsylvania |
| 22 | Lame Washington | 65 | Mother-in-law | — | Virginia |
| 23 | Samuel Borland | 25 | Head | Stenographer | Pennsylvania |
| 24 | Loretta Borland | 25 | Wife | — | Pennsylvania |
| 25 | Kieth Borland | 2 | Son | — | Pennsylvania |
| 26 | William Borland | 18 | Brother | New Worker | Pennsylvania |
| 27 | John R. Walsh | 49 | Head | Mechanic | Pennsylvania |
| 28 | Katherine Walsh | 38 | Wife | — | Pennsylvania |
| 29 | Edward Antalic | 21 | Roomer | New Worker | Pennsylvania |
| 30 | Charles Robinson | 54 | Head | Proprietor | Pennsylvania |
| 31 | Clara Robinson | 51 | Wife | — | Canada English |
| 32 | James Robinson THIS PERSON | 21 | Son | Sales Clerk | Pennsylvania |
| 33 | Clarine Robinson | 18 | Daughter | — | Pennsylvania |
| 34 | William B. Pulfer | 40 | Head | Operator | Pennsylvania |
| 35 | Margaret A. Pulfer | 38 | Wife | — | Pennsylvania |
| 36 | Margaret M. Pulfer | 11 | Daughter | — | Pennsylvania |
| 37 | Alice Pulfer | 7 | Daughter | — | Pennsylvania |
| 38 | Jack Pulfer | 6 | Son | — | Pennsylvania |
| 39 | Will. M. Jr. Pulfer | 3 | Son | — | Pennsylvania |
| 40 | Robert Pulfer | 1 | Son | — | Pennsylvania |
Pedigree Summary
James + 1 sibling
Gen 1 · 6 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)