WT
William Todd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Todd across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Todd |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Teacher |
| Industry | City School |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 4000 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Teacher |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1885 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Doris Todd | Daughter | — | 26 | ~1914 |
| Betty Todd | Daughter | — | 15 | ~1925 |
| William Todd | Head | — | 55 | ~1885 |
| William Todd | Son | — | 21 | ~1919 |
| Murray Todd | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 33
Allegheny, Pennsylvania · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1908 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Automobile Garage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | LC |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Allegheny, Pennsylvania
Head, age 45
Allegheny, Pennsylvania · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1907 |
| Age at First Marriage | 25 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Mechanic |
| Industry | Auto Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Allegheny-County, Pennsylvania
Head, age 55
Allegheny-County, Pennsylvania · implied b. ~1885 — 5 household members
| Surname | Todd |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Teacher |
| Industry | City School |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 4000 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Todd
Head · 1940 · age 55 · b. ~1885 · 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 — 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-t0627-03660-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucelli Smith | 9 | Lodger | — | Pennsylvania |
| 2 | Dorothy Smith | 8 | Lodger | — | Pennsylvania |
| 3 | William Smith | 5 | Lodger | — | Pennsylvania |
| 4 | Charles Brown | 55 | Head | Chauffeur | Maryland |
| 5 | Bessie Brown | 52 | Wife | — | Maryland |
| 6 | William J. Hall | 51 | Head | Section Hand | Texas |
| 7 | Maddie Hall | 49 | Wife | — | Texas |
| 8 | Clarence Matthews | 27 | Newcomer | — | Texas |
| 9 | Lovie Lincoln | 41 | Lodger | Millhand | Virginia |
| 10 | Elizabeth Lincoln | 36 | Lodger | — | Alabama |
| 11 | Frank E. Mansfield | 40 | Head | Butler | Virginia |
| 12 | Carolyn A. Mansfield | 40 | Wife | Health Club | Louisiana |
| 13 | William S. Smith | 29 | Lodger | Printer | Louisiana |
| 14 | Charles Toombs | 50 | Head | Pastor | Georgia |
| 15 | Corie Toombs | 53 | Wife | — | Mississippi |
| 16 | William Todd THIS PERSON | 55 | Head | Teacher | Scotland |
| 17 | Murray Todd | 57 | Wife | — | Scotland |
| 18 | Doris Todd | 26 | Daughter | Stenographer | Pennsylvania |
| 19 | William Todd | 21 | Son | New Worker | Pennsylvania |
| 20 | Betty Todd | 15 | Daughter | — | Pennsylvania |
| 21 | Cosimo Panarito | 60 | Head | — | Italy |
| 22 | Anna Panarito | 50 | Wife | — | Pennsylvania |
| 23 | Joseph Cecere | 31 | Head | Baker | Pennsylvania |
| 24 | Laura Cecere | 22 | Wife | — | Pennsylvania |
| 25 | Sylvia Cecere | 2 | Daughter | — | Pennsylvania |
| 26 | Joseph Defrancesco | 49 | Lodger | Millhand | Italy |
| 27 | 34 End Of Block | 35 | Block | — | — |
| 28 | Joseph Leach | 38 | Head | Laborer | Virginia |
| 29 | Marie Leach | 35 | Wife | — | Virginia |
| 30 | Kathrine Leach | 17 | Daughter | — | Virginia |
| 31 | Fred Leach | 14 | Son | — | Ohio |
| 32 | Annabella Leach | 12 | Daughter | — | Ohio |
| 33 | Ernest Carey | 52 | Head | Laborer | Virginia |
| 34 | Anna Carey | 38 | Wife | — | North Carolina |
| 35 | Charles Carey | 9 | Son | — | Pennsylvania |
| 36 | Robert Carey | 7 | Son | — | Pennsylvania |
| 37 | Janett Carey | 4 | Daughter | — | Pennsylvania |
| 38 | Betty Jane Carey | 2 | Daughter | — | Pennsylvania |
| 39 | Silas Kelly | 52 | Head | — | Virginia |
| 40 | Mary Kelly | 48 | Wife | — | Virginia |
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)