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Frank Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Frank Mcdonald across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McDonald |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Homestead Brough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Homestead Brough |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Henry Mcdonald | Son | — | 8 | ~1932 |
| Oliver Mcdonald | Son | — | 4 | ~1936 |
| Frank Mcdonald | Head | — | 43 | ~1897 |
| Hattie Thompson | Other | — | 75 | ~1865 |
| Albert Mcdonald | Son | — | 3 | ~1937 |
| William Mcdonald | Son | — | 6 | ~1934 |
| Geneva Mcdonald | Spouse | — | 29 | ~1911 |
| Arthur Mcdonald | Son | — | 12 | ~1928 |
| George Mcdonald | Son | — | 1 | ~1939 |
Census Appearances
1930
Allegheny, Pennsylvania
Head, age 30
Allegheny, Pennsylvania · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 29 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Allegheny-County, Pennsylvania
Head, age 43
Allegheny-County, Pennsylvania · implied b. ~1897 — 9 household members
| Surname | McDonald |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Homestead Brough |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Frank Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Frank Mcdonald
Head · 1940 · age 43 · b. ~1897 · 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-t0627-03406-00109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James James | 36 | Son | — | Alabama |
| 2 | Mary James | 21 | Daughter in law | — | North Carolina |
| 3 | Beulah Davis | 32 | Head | — | North Carolina |
| 4 | Houston Thompson | 41 | Lodger | Laborer | Tennessee |
| 5 | William Lee | 40 | Head | Laborer | North Carolina |
| 6 | Essie Lee | 35 | Wife | — | North Carolina |
| 7 | Bolisvisar Tokarji | 65 | Head | — | Hungary |
| 8 | Elizabeth Tokarji | 59 | Wife | — | Hungary |
| 9 | August Magger | 28 | Son | Laborer | Pennsylvania |
| 10 | Joseph Magger | 26 | Son | Laborer | Pennsylvania |
| 11 | John Klotz | 58 | Head | — | Poland |
| 12 | Mary Klotz | 63 | Wife | — | Austria |
| 13 | John Jr. Klotz | 32 | Son | Laborer | Pennsylvania |
| 14 | Michael Klotz | 26 | Son | Pin Setter | Pennsylvania |
| 15 | Charles Petrosky | 42 | Head | Laborer | Illinois |
| 16 | Camille Hill | 39 | Head | — | Pennsylvania |
| 17 | Cecil Hill | 20 | Daughter | Waitress | Pennsylvania |
| 18 | William Hill | 16 | Son | — | Pennsylvania |
| 19 | Roderick Hill | 14 | Son | — | Pennsylvania |
| 20 | Harriet Mcquay | 61 | Mother | — | Virginia |
| 21 | Frank Mcdonald THIS PERSON | 43 | Head | Laborer | South Carolina |
| 22 | Geneva Mcdonald | 29 | Wife | — | South Carolina |
| 23 | Arthur Mcdonald | 12 | Son | — | Pennsylvania |
| 24 | Henry Mcdonald | 8 | Son | — | Pennsylvania |
| 25 | William Mcdonald | 6 | Son | — | Pennsylvania |
| 26 | Oliver Mcdonald | 4 | Son | — | Pennsylvania |
| 27 | Albert Mcdonald | 3 | Son | — | Pennsylvania |
| 28 | George Mcdonald | 1 | Son | — | Pennsylvania |
| 29 | Hattie Thompson | 75 | Lodger | — | South Carolina |
| 30 | Ollie Heath | 40 | Head | Laborer | South Carolina |
| 31 | Nena Heath | 37 | Wife | — | South Carolina |
| 32 | Ollie Jr. Heath | 5 | Son | — | Pennsylvania |
| 33 | Ruth Bradley | 18 | Lodger | — | South Carolina |
| 34 | Ruben Potts | 26 | Lodger | — | South Carolina |
| 35 | Florence Plowden | 48 | Head | Laborer | South Carolina |
| 36 | Madison Plowden | 27 | Son | — | South Carolina |
| 37 | Nettie Plowden | 60 | Aunt | — | South Carolina |
| 38 | Cora Gillard | 55 | Lodger | — | South Carolina |
| 39 | Lawton Green | 41 | Head | Laborer | Georgia |
| 40 | Violet Green | 71 | Mother | — | Georgia |
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)