RL
Robert Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Long across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & George — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Long |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Penn Twp |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | carpenter |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Carpenter |
| Township / Ward | Wilkins Twp |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Sarah Long | Daughter | — | 1 | ~1939 |
| Robert Long | Head | — | 25 | ~1915 |
| Ruth Long | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 3
Allegheny, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Head, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Long |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Penn Twp |
| 1935 Residence (County) | Allegheny |
| Occupation | carpenter |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| 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 Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Long (~0.92 confidence) and father George Long (~0.92 confidence) and mother Helen Long (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Long
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Long
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Helen Long
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Long
Head · 1940 · age 25 · b. ~1915 · 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03420-00921)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William J. Coulter | 10 | Son | — | Pennsylvania |
| 42 | George Coulter | 9 | Son | — | Pennsylvania |
| 43 | Lorraine Coulter | 5 | Daughter | — | Pennsylvania |
| 44 | Carole Ann Coulter | 2 | Daughter | — | Pennsylvania |
| 45 | John Hrenko | 60 | Head | Labourer | Austria |
| 46 | Anna R. Hrenko | 55 | Wife | — | Austria |
| 47 | George Hrenko | 21 | Son | Clerk | Pennsylvania |
| 48 | Michael Hrenko | 18 | Son | — | Pennsylvania |
| 49 | Adam Hrenko | 16 | Son | New Worker | Pennsylvania |
| 50 | Victor Huyguer | 56 | Head | Painter | Belgium |
| 51 | Grace A. Huyguer | 52 | Wife | — | Pennsylvania |
| 52 | Robert M. Stewart | 61 | Head | Conductor | Pennsylvania |
| 53 | Caroline R. Stewart | 58 | Wife | — | Wales |
| 54 | Glenn Stewart | 29 | Son | New Worker | Pennsylvania |
| 55 | Russell Stewart | 20 | Son | New Worker | Pennsylvania |
| 56 | Dory Stewart | 18 | Son | — | Pennsylvania |
| 57 | Lloyd R. Ayres | 41 | Head | Laborer | Pennsylvania |
| 58 | Ethel Ayres | 35 | Wife | — | Pennsylvania |
| 59 | Lloyd C. Ayres | 2 | Son | — | Pennsylvania |
| 61 | Henry Byers | 25 | Head | Attendant | Pennsylvania |
| 62 | Ida M. Byers | 22 | Wife | — | Pennsylvania |
| 63 | Henry Byers | 4 | Son | — | Pennsylvania |
| 64 | Joanne Byers | 2 | Daughter | — | Pennsylvania |
| 65 | Elizabeth Sloane | 53 | Head | — | Maryland |
| 66 | John Sloane | 21 | Son | Tool Room Checker | Pennsylvania |
| 67 | George Sloane | 14 | Son | — | Pennsylvania |
| 68 | Albert Lindeborg | 39 | Head | Meter-Fitter | Pennsylvania |
| 69 | Elizabeth Lindeborg | 33 | Wife | — | Maryland |
| 70 | Billy Lindeborg | 7 | Daughter | — | Pennsylvania |
| 71 | Robert J. Chambers | 44 | Head | Laborer | Pennsylvania |
| 72 | Eva R. Chambers | 40 | Wife | — | Pennsylvania |
| 73 | Robert Long THIS PERSON | 25 | Head | Carpenter | Pennsylvania |
| 74 | Ruth E. Long | 21 | Wife | — | Pennsylvania |
| 75 | Sarah C. Long | 1 | Daughter | — | Pennsylvania |
| 76 | Edward H. Ackard | 62 | Head | — | Pennsylvania |
| 77 | Clara Ackard | 33 | Daughter | Attendant | Pennsylvania |
| 78 | Wilbur Ackard | 29 | Son | Machine Hand | Pennsylvania |
| 79 | Bernice Ackard | 26 | Daughter | — | Pennsylvania |
| 80 | Edna Ackard | 24 | Daughter | Beautician | Pennsylvania |
Related Census Records
Pedigree Summary
Robert
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)