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William Webb — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Webb across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Maud & William — first a son (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Webb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Arlington Plan |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Inspector |
| Industry | Airbrake factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Inspector |
| Township / Ward | Arlington Plan |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Maud Webb | Head | — | 61 | ~1879 |
| Daughter-In-Law Webb | Other | — | — | |
| John Webb | Son | — | 23 | ~1917 |
| Robert Webb | Son | — | 25 | ~1915 |
| Eugene Webb | Son | — | 37 | ~1903 |
| William Webb | Son | — | 27 | ~1913 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 9
Allegheny, Pennsylvania · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Webb |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 19
Allegheny, Pennsylvania · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Webb |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 27
Allegheny-County, Pennsylvania · implied b. ~1913 — 6 household members
| Surname | Webb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Arlington Plan |
| 1935 Residence (County) | Allegheny |
| Occupation | Inspector |
| Industry | Airbrake factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Webb across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Maud Webb (~0.92 confidence) and father William Webb (~0.92 confidence) and mother Emma Webb (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Maud Webb
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
William Webb
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Emma Webb
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Webb
Son · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Eugene Webb
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Webb
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Webb
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03413-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maud Webb | 61 | Head | — | England |
| 2 | Eugene Webb | 37 | Son | Shake Out Man | Pennsylvania |
| 3 | Robert Webb | 25 | Son | Shipping Clerk | Pennsylvania |
| 4 | John Webb | 23 | Son | Machine Operator | Pennsylvania |
| 5 | William Webb THIS PERSON | 27 | Son | Inspector | Pennsylvania |
| 6 | Daughter-In-Law Webb | None | F | — | — |
| 7 | Vernon Gibson | 36 | Head | Inspector | Pennsylvania |
| 8 | Vera Gibson | 34 | Wife | — | Pennsylvania |
| 9 | Vernon Jr Gibson | 10 | Son | — | Pennsylvania |
| 10 | George W Duncan | 63 | Head | Machine Operator | West Virginia |
| 11 | Flossie E Duncan | 54 | Wife | — | West Virginia |
| 12 | Ernest G Utt | 33 | Step-son | Crane Man | Virginia |
| 13 | Oliver Mclaughlan | 44 | Head | Molder | Pennsylvania |
| 14 | Florence Mclaughlan | 37 | Wife | — | West Virginia |
| 15 | Margaret Mclaughlan | 12 | Daughter | — | Pennsylvania |
| 16 | Virginia Mclaughlan | 9 | Daughter | — | Pennsylvania |
| 17 | Shirly Mclaughlan | 5 | Daughter | — | Pennsylvania |
| 18 | Russell House | 51 | Head | Wood Patternmaker | Ohio |
| 19 | Sue House | 45 | Wife | — | Pennsylvania |
| 20 | Samuel R Curry | 33 | Head | Fireman | Pennsylvania |
| 21 | Vera R Curry | 34 | Wife | — | Pennsylvania |
| 22 | Richard S Curry | 5 | Son | — | Pennsylvania |
| 23 | Thomas W King | 52 | Head | Metal Patternmaker | Pennsylvania |
| 24 | Elizabeth B King | 37 | Wife | — | Pennsylvania |
| 25 | John J Bebout | 80 | Head | — | Pennsylvania |
| 26 | Rachel Bebout | 40 | Daughter | Stenographer | Pennsylvania |
| 27 | James Minerva | 33 | Head | Machine Operator | Pennsylvania |
| 28 | Vilma Minerva | 37 | Wife | — | Pennsylvania |
| 29 | James Minerva | 4 | Son | — | Pennsylvania |
| 30 | Jean Minerva | 1 | Son | — | Pennsylvania |
| 31 | Jewella Mong | 16 | Step-daughter | — | Pennsylvania |
| 32 | William Harbour | 57 | Head | Prop & Operator | Ohio |
| 33 | Edna M Harbour | 51 | Wife | Prop & Operator | Pennsylvania |
| 34 | Kenneth S Williams | 32 | Head | Engineer | English |
| 35 | Elsie M Williams | 33 | Wife | — | Denmark |
| 36 | James Poole | 57 | Head | Foreman | England |
| 37 | Sarah Poole | 58 | Wife | — | England |
| 38 | Dorothy Poole | 25 | Daughter | Teacher | Pennsylvania |
| 39 | Hilda Mae Poole | 21 | Daughter | Teacher | Pennsylvania |
| 40 | Charles G Ward | 50 | Head | Clerk | Pennsylvania |
Pedigree Summary
William + 3 siblings
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)