WC
William Carr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Carr across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Edward — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: PENNSYLVANIA
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | CARR |
| Given Name | WILLIAM |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILADELPHIA |
| Additional Details | |
| Occupation | PRINTER |
| Industry | MFG AUTOMOBILE |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 458 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Printer |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1913 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Carr | Head | — | 27 | ~1913 |
| William Carr | Son | — | 1 | ~1939 |
| Marie Carr | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 5
Philadelphia, Pennsylvania · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 16
Philadelphia, Pennsylvania · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Philadelphia-County, Pennsylvania
Head, age 27
Philadelphia-County, Pennsylvania · implied b. ~1913 — 3 household members
| Surname | CARR |
| Given Name | WILLIAM |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILADELPHIA |
| Occupation | PRINTER |
| Industry | MFG AUTOMOBILE |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 458 |
| 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 William Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Carr (~0.92 confidence) and father Edward Carr (~0.92 confidence) and mother Evelyn Carr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Carr
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Edward Carr
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Evelyn Carr
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carr
Head · 1940 · age 27 · b. ~1913 · 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 — 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-t0627-03752-00431)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Miriam Gates | 6 | DAUGHTER | — | PENNSYLVANIA |
| 42 | Jean Gates | 5 | DAUGHTER | — | PENNSYLVANIA |
| 43 | Nancy Gates | 2 | DAUGHTER | — | PENNSYLVANIA |
| 44 | Myrtle Gates | 0 | DAUGHTER | — | PENNSYLVANIA |
| 45 | Addie Herdle | 41 | HEAD | Sewing | PENNSYLVANIA |
| 46 | Wilma Herdle | 20 | DAUGHTER | — | PENNSYLVANIA |
| 47 | Louis Herdle | 18 | SON | Maker | PENNSYLVANIA |
| 48 | Harry Herdle | 11 | SON | — | PENNSYLVANIA |
| 49 | Francis E Griffin | 43 | HEAD | Patrolman | PENNSYLVANIA |
| 50 | Catherine Griffin | 40 | WIFE | Patrolman | PENNSYLVANIA |
| 51 | Catherine Griffin | 15 | DAUGHTER | — | PENNSYLVANIA |
| 52 | Marcella Griffin | 13 | DAUGHTER | — | PENNSYLVANIA |
| 53 | Francis Griffin | 8 | SON | — | PENNSYLVANIA |
| 54 | Norman Reed | 41 | HEAD | Clerk | PENNSYLVANIA |
| 55 | Henrietta Reed | 38 | WIFE | None | PENNSYLVANIA |
| 56 | Norman Jr Reed | 8 | SON | — | PENNSYLVANIA |
| 57 | Inez Hartshorn | 46 | HEAD | Waste Sorter | PENNSYLVANIA |
| 58 | Joseph Silverstein | 40 | HEAD | Gardner | PENNSYLVANIA |
| 59 | Lillian Armstrong | 43 | LODGER | Folder | PENNSYLVANIA |
| 60 | Elsie Griffin | 33 | HEAD | Cigar Maker | HUNGARY |
| 61 | Marion Griffin | 9 | DAUGHTER | — | PENNSYLVANIA |
| 62 | Carl Binder | 22 | BROTHER | Machinist | PENNSYLVANIA |
| 63 | William Carr THIS PERSON | 27 | HEAD | Printer | PENNSYLVANIA |
| 64 | Marie Carr | 29 | WIFE | — | PENNSYLVANIA |
| 65 | William Carr | 1 | SON | — | PENNSYLVANIA |
| 66 | Martin Campbell | 57 | HEAD | Caretaker | PENNSYLVANIA |
| 67 | Margaret Campbell | 59 | WIFE | — | EIRE |
| 68 | John Martell | 61 | HEAD | Plumber | PENNSYLVANIA |
| 69 | Katherine Martell | 58 | WIFE | — | PENNSYLVANIA |
| 70 | John Martell | 30 | SON | Plumber | PENNSYLVANIA |
| 71 | Vincent Martell | 22 | SON | — | PENNSYLVANIA |
| 72 | Alice Morgan | 63 | HEAD | — | PENNSYLVANIA |
| 73 | Ruth M Allison | 29 | DAUGHTER | — | PENNSYLVANIA |
| 74 | John D Allison | 29 | SON-IN-LAW | Teacher | PENNSYLVANIA |
| 75 | Ends Here | None | BLOCK | — | — |
| 76 | William Larkins | 27 | HEAD | — | PENNSYLVANIA |
| 77 | Daisy Larkins | 22 | WIFE | Clerk | PENNSYLVANIA |
| 78 | Joanne Larkins | 3 | DAUGHTER | — | PENNSYLVANIA |
| 79 | William Larkins | 1 | SON | — | PENNSYLVANIA |
| 80 | Herbert Aspinall | 53 | HEAD | Grinder | ENGLAND |
Pedigree Summary
William
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)