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James Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Mccarthy across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Rita Mccarthy | Daughter | — | 20 | ~1920 |
| Marie Mccarthy | Daughter | — | 27 | ~1913 |
| Anna Mccarthy | Head | — | 54 | ~1886 |
| James Mccarthy | Son | — | 12 | ~1928 |
| Thomas Mccarthy | Son | — | 16 | ~1924 |
| John Mccarthy | Son | — | 22 | ~1918 |
| Robert Mccarthy | Son | — | 14 | ~1926 |
| William Mccarthy | Son | — | 25 | ~1915 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 2 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 12
Allegheny-County, Pennsylvania · implied b. ~1928 — 8 household members
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Industry | 0 |
| Highest Grade | No 4 |
| 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 James Mccarthy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mccarthy
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
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Sibling
Marie Mccarthy
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccarthy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccarthy
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Mccarthy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mccarthy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccarthy
Sibling · 1940 · age 22
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-t0627-03672-00838)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hattie B. Mckinney | 73 | Wife | — | Ohio |
| 42 | Elizabeth Felker | 50 | Head | — | Jugoslavia |
| 43 | Oscar Felker | 27 | Son | — | Pennsylvania |
| 44 | James Clyde | 26 | Head | Collection Manager | Pennsylvania |
| 45 | Gertrude Clyde | 38 | Wife | Clerk | Pennsylvania |
| 46 | Edward Clyde | 18 | Son | — | Pennsylvania |
| 47 | Charles Clyde | 17 | Son | New Worker | Pennsylvania |
| 48 | Marie Clyde | 15 | Daughter | — | Pennsylvania |
| 49 | Ruth Clyde | 15 | Daughter | — | Pennsylvania |
| 50 | Theodore Clyde | 11 | Son | — | Pennsylvania |
| 51 | Gertrude Clyde | 10 | Daughter | — | Pennsylvania |
| 52 | Raymond Clyde | 8 | Son | — | Pennsylvania |
| 53 | Robert Clyde | 6 | Son | — | Pennsylvania |
| 54 | Jean Clyde | 5 | Daughter | — | Pennsylvania |
| 55 | James Clyde | 4 | Son | — | Pennsylvania |
| 56 | Albert Clyde | 1 | Son | — | Pennsylvania |
| 57 | Harold Clyde | 1 | Son | — | Pennsylvania |
| 58 | Anna Mccarthy | 54 | Head | — | Pennsylvania |
| 59 | Marie Mccarthy | 27 | Daughter | Typist | Pennsylvania |
| 60 | William Mccarthy | 25 | Son | Laborer | Pennsylvania |
| 61 | John Mccarthy | 22 | Son | Truck Helper | Pennsylvania |
| 62 | Rita Mccarthy | 20 | Daughter | Real Estate Clerk | Pennsylvania |
| 63 | Thomas Mccarthy | 16 | Son | — | Pennsylvania |
| 64 | Robert Mccarthy | 14 | Son | — | Pennsylvania |
| 65 | James Mccarthy THIS PERSON | 12 | Son | — | Pennsylvania |
| 66 | Fred Schneider | 34 | Head | Bartender | Pennsylvania |
| 67 | Emma Schneider | 34 | Wife | — | Pennsylvania |
| 68 | Fred Schneider | 12 | Son | Cork Sorter | Pennsylvania |
| 69 | Richard Schneider | 10 | Son | — | Pennsylvania |
| 70 | Raymond Schneider | 8 | Son | — | Pennsylvania |
| 71 | Anna Bayzek | 53 | Head | Janitress | Austria |
| 72 | Mary Bayzek | 30 | Daughter | Cork Sorter | Pennsylvania |
| 73 | Michael Bayzek | 28 | Son | Ski-Fickler | Pennsylvania |
| 74 | George Skiles | 55 | Head | Truck Driver | Pennsylvania |
| 75 | Lillian Skiles | 20 | Daughter | Office Clerk | Pennsylvania |
| 76 | Thomas Gesting | 50 | Head | Laborer New Worker | Poland |
| 77 | Julia Gesting | 48 | Wife | — | Poland |
| 78 | Theodore Gesting | 21 | Son | Pan Washer | Pennsylvania |
| 79 | Edward Gesting | 18 | Son | Counterman | Pennsylvania |
| 80 | — | None | — | — | — |
Related Census Records
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)