RJ
Robert Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Jackson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & David — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Divorced |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McCandless |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Contractor |
| Industry | Building Construction |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Contractor |
| Township / Ward | Mccandless |
| 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 |
|---|---|---|---|---|
| Robert Jackson | Head | — | 52 | ~1888 |
| Robert Jackson | Son | — | 25 | ~1915 |
| Clara Jackson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 15
Allegheny, Pennsylvania · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Jackson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Divorced |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McCandless |
| 1935 Residence (County) | Allegheny |
| Occupation | Contractor |
| Industry | Building Construction |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 156 |
| 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 Robert Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Jackson (~0.92 confidence) and father David Jackson (~0.92 confidence) and father Clarence Jackson (~0.92 confidence) and mother Margaret Jackson (~0.92 confidence) and mother Clara Jackson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Jackson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
David Jackson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Clarence Jackson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Margaret Jackson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Clara Jackson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jackson
Son · 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
40 people indexed on this census page (nara:1940:m-t0627-03407-00325)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eva Anderson | 59 | Servant | Cook | Pennsylvania |
| 42 | Martha Thompson | 91 | Head | — | Pennsylvania |
| 43 | Lottie Nucinski | 40 | Servant | Housekeeper | Pennsylvania |
| 44 | Joseph Van Horn | 50 | Head | Manager | Pennsylvania |
| 45 | Effie Van Horn | 50 | Wife | — | Pennsylvania |
| 46 | Charles Waugaman | 56 | Brother | Salesman | Pennsylvania |
| 47 | Arthur Kretzer | 36 | Head | Laborer | Pennsylvania |
| 48 | Lottie Kretzer | 38 | Wife | — | Pennsylvania |
| 49 | Goldie Kretzer | 8 | Daughter | — | Pennsylvania |
| 50 | Pearl Kretzer | 7 | Daughter | — | Pennsylvania |
| 51 | Shirley Kretzer | 5 | Daughter | — | Pennsylvania |
| 52 | J. Ralph Miller | 36 | Head | Laborer | Pennsylvania |
| 53 | Charlotte Miller | 26 | Wife | — | Indiana |
| 54 | George W. Miller | 6 | Son | — | Ohio |
| 55 | John C. Ennick | 70 | Head | Farmer | Pennsylvania |
| 56 | Milton Ennick | 68 | Brother | Farmer | Pennsylvania |
| 57 | John Betcke | 54 | Head | Laborer | Pennsylvania |
| 58 | Clara M. Dittling | 60 | Head | — | Pennsylvania |
| 59 | Henry Dittling | 41 | Son | Manager | Pennsylvania |
| 60 | Henry Jr. Dittling | 10 | Son | — | Pennsylvania |
| 61 | Margaret Sheridan | 70 | Head | — | Pennsylvania |
| 62 | Frank Sheridan | 48 | Son | Manager | Pennsylvania |
| 63 | Lee Hawkins | 59 | Servant | Butler | Indiana |
| 64 | Ethel Hawkins | 33 | Servant | Cook | Alabama |
| 65 | John R. Lawson | 67 | Head | Retired | Pennsylvania |
| 66 | Mathilda Lawson | 67 | Wife | — | Pennsylvania |
| 67 | Alexander Kennedy | 32 | Lodger | Cable Helper | New York |
| 68 | Adella Anderson | 59 | Head | — | Pennsylvania |
| 69 | Edwin Patterson | 37 | Head | Teacher | Pennsylvania |
| 70 | Helen Patterson | 37 | Wife | — | Pennsylvania |
| 71 | Willie H. Young | 69 | Head | Retired | Pennsylvania |
| 72 | Daniel Young | 36 | Son | Laborer | Pennsylvania |
| 73 | John C. Young | 25 | Son | — | Pennsylvania |
| 74 | Robert D. Jackson | 52 | Head | Realtor | England |
| 75 | Clara C. Jackson | 44 | Wife | — | England |
| 76 | Robert Jackson THIS PERSON | 25 | Son | Contractor | Pennsylvania |
| 77 | Maria C. Noll | 81 | Head | — | Florida |
| 78 | Hallie Reinstein | 46 | Head | Salesman | Pennsylvania |
| 79 | Irene Reinstein | 33 | Wife | Proprietor | Pennsylvania |
| 80 | William P. Jr. Reinstein | 6 | Son | — | Pennsylvania |
Pedigree Summary
Robert
Gen 1 · 5 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)