JL
Joseph Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Joseph Lewis across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Emma — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Lewis |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Core Setter |
| Industry | Steel Foundry |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 620 |
| Highest Grade | H 2 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Core Setter |
| Township / Ward | Feltonville |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Emma Lewis | Head | — | 53 | ~1887 |
| John Mccalaster | Other | — | 50 | ~1890 |
| Helen Mccalaster | Other | — | 21 | ~1919 |
| Joseph Lewis | Son | — | 25 | ~1915 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 5
Delaware, Pennsylvania · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 15
Delaware, Pennsylvania · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Delaware-County, Pennsylvania
Son, age 25
Delaware-County, Pennsylvania · implied b. ~1915 — 4 household members
| Surname | Lewis |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Occupation | Core Setter |
| Industry | Steel Foundry |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 620 |
| Highest Grade | H 2 |
| 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 Joseph Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Lewis (~0.92 confidence) and mother Emma Lewis (~0.92 confidence) and mother Emma Lewis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Lewis
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Emma Lewis
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Emma Lewis
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Lewis
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03490-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Hatten | 42 | Wife | — | Poland |
| 2 | Anna Hatten | 25 | Daughter | — | Missouri |
| 3 | John Hatten | 23 | Son | Butcher | Pennsylvania |
| 4 | Nick Hatten | 20 | Son | Oil Boy | Pennsylvania |
| 5 | Elizabeth Hatten | 16 | Daughter | — | Pennsylvania |
| 6 | Andy Jr. Hatten | 7 | Son | — | Pennsylvania |
| 7 | Emma Lewis | 53 | Head | — | Pennsylvania |
| 8 | Joseph Lewis THIS PERSON | 25 | Son | Core Setter | Pennsylvania |
| 9 | John Mccalaster | 50 | Lodger | Moulder | Pennsylvania |
| 10 | Helen Mccalaster | 21 | Lodger | — | Pennsylvania |
| 11 | Cluide Ransom | 42 | Head | Automobile Mechanic | Virginia |
| 12 | Viola Ransom | 34 | Wife | — | New York |
| 13 | Garnett J. Ransom | 10 | Son | — | Pennsylvania |
| 14 | Cluide Ransom | 9 | Son | — | Pennsylvania |
| 15 | Jean L. Ransom | 6 | Daughter | — | Pennsylvania |
| 16 | Ruth H. Ransom | 5 | Son | — | Pennsylvania |
| 17 | James W. Ransom | 3 | Son | — | Pennsylvania |
| 18 | Janet V. Ransom | 2 | Daughter | — | Pennsylvania |
| 19 | James Davidson | 67 | Father-in-law | — | Scotland |
| 20 | Samuel Fedena | 57 | Head | — | Poland |
| 21 | Julia Fedena | 54 | Wife | — | Poland |
| 22 | Metro Fedena | 25 | Son | Laborer | Pennsylvania |
| 23 | Caroline Fedena | 19 | Daughter | Housework | Pennsylvania |
| 24 | Mildred Fedena | 16 | Daughter | — | Pennsylvania |
| 25 | Ralph Bunger | 48 | Head | Clerk-Driver | Pennsylvania |
| 26 | Mary Bunger | 43 | Wife | — | Maryland |
| 27 | William Bunger | 14 | Son | — | Pennsylvania |
| 28 | Daniel Reppert | 46 | Head | Crane Operator | Pennsylvania |
| 29 | Elizabeth Reppert | 34 | Wife | — | Delaware |
| 30 | Stanley Stempinski | 48 | Head | Rigger | Russia |
| 31 | Clara Stempinski | 40 | Wife | — | Poland |
| 32 | Julia Stempinski | 16 | Daughter | — | Pennsylvania |
| 33 | Benny Stempinski | 18 | Son | — | Delaware |
| 34 | Walter Gibson | 32 | Head | Laborer | Pennsylvania |
| 35 | Mary Gibson | 33 | Wife | — | Pennsylvania |
| 36 | Eugene Gibson | 12 | Son | — | Pennsylvania |
| 37 | Marie Gibson | 1 | Daughter | — | Pennsylvania |
| 38 | William Franco | 68 | Head | Laborer | Maryland |
| 39 | Fannie M. Franco | 53 | Wife | — | Maryland |
| 40 | Nicola Monetti | 39 | Head | Tailor | Italy |
Pedigree Summary
Joseph
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)