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John Chambers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Chambers across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 4-person household.
Age 63
b. ~1877
Male
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Chambers |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Operator |
| Industry | Clothing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Operator |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1877 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Cecelia Applegate | Daughter | — | 23 | ~1917 |
| Katherine Chambers | Daughter | — | 35 | ~1905 |
| John Chambers | Head | — | 63 | ~1877 |
| Frederick Applegate | Other | — | 27 | ~1913 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 45
Philadelphia, Pennsylvania · implied b. ~1875 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1903 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Stationary |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Head, age 51
Philadelphia, Pennsylvania · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Shipping Clerk |
| Industry | Soda Fountain |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Radio Set | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 63
Philadelphia-County, Pennsylvania · implied b. ~1877 — 4 household members
| Surname | Chambers |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Occupation | Operator |
| Industry | Clothing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 John Chambers across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Chambers
Head · 1940 · age 63 · b. ~1877 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03729-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angelo Jr Petti | 13 | Son | — | Phila Pa |
| 2 | Vincent Petti | 10 | Son | — | Phila Pa |
| 3 | Alfonso Petti | 1 | Son | — | Phila Pa |
| 4 | Joseph Di Valerio | 76 | Head | Upholsterer | Italy |
| 5 | Julia Di Valerio | 63 | Wife | — | Italy |
| 6 | Teresa Di Valerio | 34 | Daughter | Operator | Phila Pa |
| 7 | Dominic Di Valerio | 32 | Son | Upholsterer | Phila Pa |
| 8 | Anthony Di Valerio | 30 | Son | — | Phila Pa |
| 9 | John Di Valerio | 29 | Son | Entertainer | Phila Pa |
| 10 | Mauro Di Valerio | 26 | Son | Fitter | Phila Pa |
| 11 | John Chambers THIS PERSON | 63 | Head | Operator | Ireland |
| 12 | Katherine Chambers | 35 | Daughter | Finisher | Phila Pa |
| 13 | — | None | — | — | — |
| 14 | — | None | — | — | — |
| 15 | Frederick Applegate | 27 | Son in law | Ass Valves | Phila Pa |
| 16 | Cecelia Applegate | 23 | Daughter | — | Phila Pa |
| 17 | Anthony Spizzirri | 47 | Head | Cabinet Maker | Italy |
| 18 | Antoinette Spizzirri | 52 | Wife | — | Italy |
| 19 | Marie Lianno | 33 | Daughter | — | Phila Pa |
| 20 | Peter Lianno | 37 | Son in law | Weaver | Phila Pa |
| 21 | Bruno Lianno | 11 | Grandson | — | Phila Pa |
| 22 | Josephine Lianno | 10 | Granddaughter | — | Phila Pa |
| 23 | Peter Jr Lianno | 4 | Grandson | — | Phila Pa |
| 24 | Alfred Rubei | 55 | Head | Presser | Italy |
| 25 | Rose Rubei | 40 | Wife | — | Italy |
| 26 | Rita Rubei | 8 | Daughter | — | Phila Pa |
| 27 | Ercole Puglielli | 55 | Head | Interior Dec | Italy |
| 28 | Josephine Puglielli | 47 | Wife | — | Italy |
| 29 | Grace Puglielli | 15 | Daughter | — | Italy |
| 30 | Eneide Puglielli | 14 | Daughter | — | Phila Pa |
| 31 | Rita Puglielli | 12 | Daughter | — | Phila Pa |
| 32 | Crescenzio De Alessio | 65 | Head | Custom Tailor | Italy |
| 33 | Florence De Alessio | 23 | Daughter | Stenographer | Phila Pa |
| 34 | Americo De Alessio | 21 | Son | Chauffeur | Phila Pa |
| 35 | Dante De Alessio | 18 | Son | — | Phila Pa |
| 36 | Gloria De Alessio | 15 | Daughter | — | Phila Pa |
| 37 | Harry Klock | 52 | Head | Mechanic | Phila Pa |
| 38 | Wife Klock | 46 | Wife | — | Phila Pa |
| 39 | Roland Klock | 23 | Son | Helper | Phila Pa |
| 40 | William Klock | 13 | Son | — | Phila Pa |
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)