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Charles Boyd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Charles Boyd across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 3-person household.
Age 47
b. ~1893
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Boyd |
| Given Name | Charles AB |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Elizabeth Twp |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Skilled Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Skilled Laborer |
| Township / Ward | Elizabeth Twp |
| Est. Birth Year | ~1893 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Boyd | Head | — | 47 | ~1893 |
| Ella Boyd | Spouse | — | 39 | ~1901 |
| Catherine Boyd | Daughter | — | 16 | ~1924 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 26
Allegheny, Pennsylvania · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | architect |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 37
Allegheny, Pennsylvania · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Charles E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Truck Driver |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 70.00 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 47
Allegheny-County, Pennsylvania · implied b. ~1893 — 3 household members
| Surname | Boyd |
| Given Name | Charles AB |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Elizabeth Twp |
| 1935 Residence (County) | Allegheny |
| Occupation | Skilled Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| 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 Charles Boyd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Boyd
Head · 1940 · age 47 · b. ~1893 · 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-t0627-03403-00350)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Frost | 19 | Son | Laborer | Pennsylvania |
| 2 | Adam Frost | 15 | Son | — | Pennsylvania |
| 3 | Leonard Frost | 12 | Son | — | Pennsylvania |
| 4 | Robert Ab Matthews | 63 | Head | Miner | Pennsylvania |
| 5 | Arthur Matthews | 21 | Son | Cook | Pennsylvania |
| 6 | Bernice Dillon | 29 | Daughter | — | Pennsylvania |
| 7 | William Ab Dillon | 8 | Grandson | — | Pennsylvania |
| 8 | Michael J Bernochi | 43 | Head | Policeman | Austria |
| 9 | Mary Bernochi | 40 | Wife | — | Pennsylvania |
| 10 | Michael Ab Bernochi | 17 | Son | Bus Boy | Pennsylvania |
| 11 | Irene Ab Bernochi | 15 | Daughter | — | Pennsylvania |
| 12 | Betty J. Ab Bernochi | 12 | Daughter | — | Pennsylvania |
| 13 | Richard Ab Bernochi | 8 | Son | — | Pennsylvania |
| 14 | Elizabeth Eiferd | 44 | Head | — | Pennsylvania |
| 15 | Masena, Arthur Ab Eiferd | 19 | Son | — | Pennsylvania |
| 16 | John Ab Haywood | 31 | Head | Laborer | Pennsylvania |
| 17 | Mildred Haywood | 22 | Wife | — | Pennsylvania |
| 18 | Fitzgiann Haywood | 3 | Daughter | — | Pennsylvania |
| 19 | Louis Novak | 56 | Head | Miner | Hungary |
| 20 | Stephen Ab Novak | 25 | Son | Miner | Pennsylvania |
| 21 | Elizabeth Novak | 27 | Daughter | — | Pennsylvania |
| 22 | Emma Novak | 23 | Daughter | — | Pennsylvania |
| 23 | George Ab Novak | 17 | Son | — | Pennsylvania |
| 24 | Ernest Ab Novak | 14 | Son | — | Pennsylvania |
| 25 | Louis Novak | 9 | Son | — | Pennsylvania |
| 26 | — | None | — | — | — |
| 27 | David Ab Aitken | 39 | Head | Laborer | Scotland |
| 28 | Annette Aitken | 37 | Wife | — | Pennsylvania |
| 29 | Marlene Aitken | 3 | Daughter | — | Pennsylvania |
| 30 | David J. Aitken | 2 | Son | — | Pennsylvania |
| 31 | William Ab Aitken | 44 | Brother | Laborer | Scotland |
| 32 | Genevieve Ab Aitken | 26 | Sister-law | — | Pennsylvania |
| 33 | Richard Ab Pierce | 48 | Head | Mine Overseer | Pennsylvania |
| 34 | Nellie Pierce | 48 | Wife | — | Scotland |
| 35 | Ruth Ab Pierce | 28 | Daughter | Weighmaster | Pennsylvania |
| 36 | Gayle Ab Pierce | 11 | Daughter | — | Pennsylvania |
| 37 | Jean Ab Githen | 30 | Sister-law | Clerk | Scotland |
| 38 | Charles Ab Boyd THIS PERSON | 47 | Head | Skilled Laborer | Pennsylvania |
| 39 | Ella Boyd | 39 | Wife | — | Pennsylvania |
| 40 | Catherine Ab Boyd | 16 | Daughter | — | Pennsylvania |
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)