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James Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Kerr across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Kerr |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Etna |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Apprentice Machinist |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Apprentice Machinist |
| Township / Ward | Etna |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kerr | Daughter | — | 19 | ~1921 |
| Virginia Kerr | Daughter | — | 17 | ~1923 |
| Dorothy Kerr | Spouse | — | 52 | ~1888 |
| Catherine Kerr | Daughter | — | 13 | ~1927 |
| Samuel Kerr | Son | — | 12 | ~1928 |
| James Kerr | Son | — | 22 | ~1918 |
| William Kerr | Son | — | 20 | ~1920 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 7 household members
| Surname | Kerr |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Etna |
| 1935 Residence (County) | Allegheny |
| Occupation | Apprentice Machinist |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 3 |
| 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 James Kerr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Kerr
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
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Sibling
Margaret Kerr
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Kerr
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Kerr
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kerr
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Kerr
Sibling · 1940 · age 12
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-t0627-03403-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Kerr | 52 | Wife | — | Pennsylvania |
| 42 | James Jr. Kerr THIS PERSON | 22 | Son | Apprentice Machinist | Pennsylvania |
| 43 | William Kerr | 20 | Son | New Worker | Pennsylvania |
| 44 | Margaret Kerr | 19 | Daughter | — | Pennsylvania |
| 45 | Virginia Kerr | 17 | Daughter | — | Pennsylvania |
| 46 | Catherine Kerr | 13 | Daughter | — | Pennsylvania |
| 47 | Samuel Kerr | 12 | Son | — | Pennsylvania |
| 48 | Stanley Staneryck | 33 | Head | Machinist | Wisconsin |
| 49 | Emma Staneryck | 29 | Wife | — | Pennsylvania |
| 50 | Ignacy Stankiewicz | 60 | Father | Laborer | Poland |
| 51 | Mary Stankiewicz | 60 | Mother | — | Poland |
| 52 | Frank Hyde | 44 | Head | Machinist | Illinois |
| 53 | Rachael Hyde | 42 | Wife | — | Pennsylvania |
| 54 | Alice Snow | 41 | Mother-in-law | Clerk | Pennsylvania |
| 55 | Pearl Snow | 38 | Sister-in-law | Telephone Operator | Pennsylvania |
| 56 | Charles Snow | 35 | Brother-in-law | Clerk | Pennsylvania |
| 57 | Andrew Doubet | 51 | Head | Salesman | Pennsylvania |
| 58 | Rose Doubet | 47 | Wife | — | Pennsylvania |
| 59 | Harry Esterman | 44 | Head | — | Pennsylvania |
| 60 | Viola Esterman | 26 | Daughter | Clerk | Pennsylvania |
| 61 | Regina Esterman | 22 | Daughter | Clerk | Pennsylvania |
| 62 | Frank Hocker | 49 | Head | Laborer | Ohio |
| 63 | Mary E. Hocker | 46 | Wife | — | Pennsylvania |
| 64 | Donna M. Hocker | 7 | Daughter | — | Pennsylvania |
| 65 | William E. Boundy | 52 | Head | Clerk | Pennsylvania |
| 66 | Harry G. Boundy | 80 | Father | Painter | Pennsylvania |
| 67 | John H. Parker | 53 | Head | Laborer | Pennsylvania |
| 68 | Emma Parker | 53 | Wife | — | Pennsylvania |
| 69 | Charles Parker | 22 | Son | — | Pennsylvania |
| 70 | Esther Parker | 15 | Daughter | — | Pennsylvania |
| 71 | John A. House | 53 | Head | Accounting Clerk | Pennsylvania |
| 72 | Christine House | 56 | Wife | — | Pennsylvania |
| 73 | Mildred House | 18 | Daughter | — | Pennsylvania |
| 74 | Jane House | 14 | Daughter | — | Pennsylvania |
| 75 | Lena Landfried | 83 | Mother-in-law | Domestic | Pennsylvania |
| 76 | William Weigunter | 83 | Head | Laborer | Germany |
| 77 | Cecelia Weigunter | 67 | Wife | — | Pennsylvania |
| 78 | Mary G. Weigunter | 23 | Daughter | — | Pennsylvania |
| 79 | William G. Weigunter | 17 | Son | — | Pennsylvania |
| 80 | Charles Moore | 59 | Head | Hearse Driver | 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)