JK
John Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Kirk across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 9-person household.
Age 62
b. ~1878
Male
Head
Born: Austria
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Castle Shannon Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Labour |
| Industry | Brewery |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Occupation | Labour |
| Township / Ward | Castle Shannon Boro |
| Est. Birth Year | ~1878 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Regis Kirk | Son | — | 25 | ~1915 |
| Evelyn Kirk | Daughter | — | 20 | ~1920 |
| Robert Kirk | Son | — | 17 | ~1923 |
| Dorothy Kirk | Daughter | — | 25 | ~1915 |
| Martin Kirk | Son | — | 31 | ~1909 |
| Helena Kirk | Spouse | — | 56 | ~1884 |
| Anne Kirk | Daughter | — | 38 | ~1902 |
| Theodore Kirk | Son | — | 15 | ~1925 |
| John Kirk | Head | — | 62 | ~1878 |
Census Appearances
1930
Allegheny, Pennsylvania
Head, age 52
Allegheny, Pennsylvania · implied b. ~1878 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 24 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 7200 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Allegheny-County, Pennsylvania
Head, age 62
Allegheny-County, Pennsylvania · implied b. ~1878 — 9 household members
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Castle Shannon Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Labour |
| Industry | Brewery |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 John Kirk across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Kirk
Head · 1940 · age 62 · b. ~1878 · 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-t0627-03400-00100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Iii Mcdonough | 23 | Son | Labour | Pennsylvania |
| 42 | John Mcdonough | 21 | Son | Labour | Pennsylvania |
| 43 | Genevieve Mcdonough | 17 | Daughter | — | Pennsylvania |
| 44 | Albert J. Mcdonough | 15 | Son | — | Pennsylvania |
| 45 | Jeanne M. Mcdonough | 5 | Daughter | — | Pennsylvania |
| 46 | Regis J. Upperman | 26 | Head | Dumper | Pennsylvania |
| 47 | Alice L. Upperman | 23 | Wife | — | Pennsylvania |
| 48 | George J. Piemann | 72 | Head | — | Pennsylvania |
| 49 | Elizabeth Piemann | 67 | Wife | — | Pennsylvania |
| 50 | Minnie Nast | 74 | Head | — | Pennsylvania |
| 51 | Earl Nast | 25 | Nephew | Salesman | Pennsylvania |
| 52 | Margaret B. Bonder | 75 | Sister | — | Pennsylvania |
| 53 | Joseph Bonder | 87 | Brother | — | Pennsylvania |
| 54 | Clement Piemann | 35 | Head | Repairman | Ohio |
| 55 | Anne Piemann | 29 | Wife | — | Pennsylvania |
| 56 | Clement Jr. Piemann | 8 | Son | — | Pennsylvania |
| 57 | Bernard Piemann | 4 | Son | — | Pennsylvania |
| 58 | Mildred Piemann | 2 | Daughter | — | Pennsylvania |
| 59 | Metro Zantaki | 60 | Head | — | Russia |
| 60 | Michael Magisner | 54 | Head | Operator | Pennsylvania |
| 61 | Anna Magisner | 52 | Wife | — | Pennsylvania |
| 62 | John Robinson | 61 | Head | Repairman | Pennsylvania |
| 63 | Penny Robinson | 57 | Wife | — | Pennsylvania |
| 64 | John Kirk THIS PERSON | 62 | Head | Labour | Austria |
| 65 | Helena Kirk | 56 | Wife | — | Austria |
| 66 | Anne Kirk | 38 | Daughter | Waitress | Pennsylvania |
| 67 | Martin Kirk | 31 | Son | Helper | Pennsylvania |
| 68 | Regis Kirk | 25 | Son | Brewery Worker | Pennsylvania |
| 69 | Dorothy Kirk | 25 | Daughter | Sales Clerk | Pennsylvania |
| 70 | Evelyn Kirk | 20 | Daughter | Sales Clerk | Pennsylvania |
| 71 | Robert Kirk | 17 | Son | — | Pennsylvania |
| 72 | Theodore Kirk | 15 | Son | — | Pennsylvania |
| 73 | Martin M. Maurer | 67 | Head | Owner & Manager | Ohio |
| 74 | Jennie B. Maurer | 53 | Wife | — | Pennsylvania |
| 75 | Andrew M. Maurer | 23 | Son | Labour | Pennsylvania |
| 76 | Susan M. Maurer | 21 | Daughter | Secretary | Pennsylvania |
| 77 | Harriett E. Maurer | 19 | Daughter | Auto Teller | Pennsylvania |
| 78 | George L. Maurer | 17 | Son | — | Pennsylvania |
| 79 | Jessie M. Maurer | 13 | Daughter | — | Pennsylvania |
| 80 | Charles W. Balitroe | 63 | Head | Sales Agent | 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)