RL
Robert Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Lewis across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Lewis |
| Given Name | Robert T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Warehouseman |
| Industry | Hardware supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Warehouseman |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1909 |
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 Lewis | Head | — | 31 | ~1909 |
| Robert Lewis | Son | — | 12 | ~1928 |
| Irene Lewis | Spouse | — | 14 | ~1926 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Robert Jr. |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Robert J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Wholesale House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 31
Allegheny-County, Pennsylvania · implied b. ~1909 — 3 household members
| Surname | Lewis |
| Given Name | Robert T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Warehouseman |
| Industry | Hardware supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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 Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Lewis (~0.92 confidence) and father Robert Lewis (~0.92 confidence) and mother Nanetta Lewis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Lewis
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Robert Lewis
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Nanetta Lewis
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lewis
Head · 1940 · age 31 · b. ~1909 · 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-t0627-03667-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rita V Hart | 16 | Daughter | — | Pennsylvania |
| 2 | Dolores A Hart | 14 | Daughter | — | Pennsylvania |
| 3 | Frances E Hart | 11 | Daughter | — | Pennsylvania |
| 4 | Stephen Hengsten | 33 | Head | Section Stationman | Germany |
| 5 | Irene E Hengsten | 31 | Wife | — | Pennsylvania |
| 6 | Charles S Hengsten | 6 | Son | — | Pennsylvania |
| 7 | Charles H Auman | 29 | Head | Truck Driver | Pennsylvania |
| 8 | Anna M Auman | 25 | Wife | — | Pennsylvania |
| 9 | Wayne E Auman | 0 | Son | — | Pennsylvania |
| 10 | Ralph H Schweinberg | 31 | Head | Paper Hanger | Pennsylvania |
| 11 | Florence H Schweinberg | 24 | Wife | — | Tennessee |
| 12 | Carol A Schweinberg | 3 | Daughter | — | Pennsylvania |
| 13 | Betty J Schweinberg | 1 | Daughter | — | Pennsylvania |
| 14 | Francis J O'Reilly | 31 | Head | Millwright | Ireland |
| 15 | Dorothy M O'Reilly | 26 | Wife | — | Pennsylvania |
| 16 | Francis J O'Reilly | 1 | Son | — | Pennsylvania |
| 17 | James P O'Reilly | 0 | Son | — | Pennsylvania |
| 18 | Roy L Taylor | 36 | Head | Hostler | Pennsylvania |
| 19 | Catharine M Taylor | 34 | Wife | — | Pennsylvania |
| 20 | Mary J Taylor | 16 | Daughter | — | Pennsylvania |
| 21 | Roy H Taylor | 10 | Son | — | Pennsylvania |
| 22 | Robert A Frederick | 40 | Head | Laborer | Pennsylvania |
| 23 | Rose M Frederick | 40 | Wife | — | Pennsylvania |
| 24 | Robert J Frederick | 15 | Son | — | Pennsylvania |
| 25 | Lois J Frederick | 9 | Daughter | — | Pennsylvania |
| 26 | Robert P Schwenning | 24 | Head | — | Pennsylvania |
| 27 | William L Schwenning | 26 | Husband | Truck Driver | Pennsylvania |
| 28 | William L Schwenning | 1 | Son | — | Pennsylvania |
| 29 | Robert P Schwenning | 0 | Son | — | Pennsylvania |
| 30 | James Kumpf | 29 | Head | Repairman | Pennsylvania |
| 31 | Leona E Kumpf | 29 | Wife | — | Pennsylvania |
| 32 | Daniel W Kumpf | 8 | Son | — | Pennsylvania |
| 33 | Anna M Heunheimer | 64 | Head | — | Pennsylvania |
| 34 | Robert T Lewis THIS PERSON | 31 | Head | Warehouseman | Pennsylvania |
| 35 | Irene A Lewis | 14 | Wife | — | Pennsylvania |
| 36 | Robert A Lewis | 12 | Son | — | Pennsylvania |
| 37 | John C Honenkamp | 32 | Head | Laborer | Pennsylvania |
| 38 | Anna M Honenkamp | 29 | Wife | Beautician | Pennsylvania |
| 39 | August C Becker | 36 | Head | Clerk | Pennsylvania |
| 40 | Agnes M Becker | 36 | Wife | — | Pennsylvania |
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)