WK
William Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this William Kirk across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 4-person household.
Age 67
b. ~1873
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Hillside |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 6 |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Hillside |
| Est. Birth Year | ~1873 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lillian Kirk | Daughter | — | 27 | ~1913 |
| William Kirk | Head | — | 67 | ~1873 |
| Hazel Kirk | Daughter | — | 36 | ~1904 |
| Isabell Kirk | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Union, New …
Head, age 47
Union, New Jersey · implied b. ~1873 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1883 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | machinist |
| Industry | machine shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Union, New …
Head, age 56
Union, New Jersey · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1874 |
| Age at First Marriage | 26 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Machinist |
| Industry | Motor Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Union-County, New …
Head, age 67
Union-County, New Jersey · implied b. ~1873 — 4 household members
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Hillside |
| Naturalization Status | Naturalized |
| Highest Grade | 6 |
| Birth Country | England |
| Birthplace (normalized) | england |
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 William Kirk across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Kirk
Head · 1940 · age 67 · b. ~1873 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02385-01058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Connelly | 5 | son | — | New Jersey |
| 42 | Elizabeth Connelly | 51 | head | Attendant | Virginia |
| 43 | William Connelly | 28 | son | Truck Helper | New York |
| 44 | Howard Connelly | 24 | son | Cook | New York |
| 45 | Ozita Michaud | 30 | daughter | Clerk | New York |
| 46 | William Michaud | 9 | son | — | New Jersey |
| 47 | Robert L. Galloway | 66 | head | Printer | New York |
| 48 | Alma Galloway | 62 | wife | — | New York |
| 49 | Walter H. Biskey | 57 | head | Govt Inspector (Ordnance) | New Jersey |
| 50 | Christine Biskey | 56 | wife | — | Scotland |
| 51 | Ida Hummel | 41 | head | Library Clerk | Austria |
| 52 | Fred Hummel | 13 | son | — | New Jersey |
| 53 | Elizabeth Bertrand | 35 | boarder | Typist Clerk | New York |
| 54 | Harry Fredrickson | 51 | head | Generation Engineer | Minnesota |
| 55 | Nellie Fredrickson | 49 | wife | — | Minnesota |
| 56 | Robert Fredrickson | 21 | son | — | Pennsylvania |
| 57 | Roy Fredrickson | 20 | son | — | New Jersey |
| 58 | James Hersey | 45 | head | Motion Picture Projectionist | Hungary |
| 59 | Louisa Hersey | 37 | wife | — | New Jersey |
| 60 | June Hersey | 18 | daughter | — | New Jersey |
| 61 | Joseph Mcnulty | 49 | head | Pressman | New Jersey |
| 62 | Emma Mcnulty | 41 | wife | — | New Jersey |
| 63 | Norman Mcnulty | 12 | son | — | New Jersey |
| 64 | John Maclaren | 60 | head | Tool & Die Maker | England |
| 65 | Anna Maclaren | 60 | wife | — | Connecticut |
| 66 | William Kirk THIS PERSON | 67 | head | — | England |
| 67 | Isabell Kirk | 60 | wife | — | New York |
| 68 | Hazel L. Kirk | 36 | daughter | Chief Telephone Operator | New York |
| 69 | Lillian G. Kirk | 27 | daughter | Typist | New York |
| 70 | Frederick Siebert | 49 | head | Beautician | Poland |
| 71 | Elizabeth Siebert | 46 | wife | Beautician | Germany |
| 72 | Adam Marquardt | 57 | head | Upholsterer | Poland |
| 73 | Anna Marquardt | 43 | wife | — | New York |
| 74 | Robert Marquardt | 20 | son | Apprentice Upholsterer | New York |
| 75 | Alfred Marquardt | 9 | son | — | New Jersey |
| 76 | Richard Marquardt | 5 | son | — | New Jersey |
| 77 | Lloyd Faulkes | 34 | head | Independent Milk Dealer | New Jersey |
| 78 | Hazel Faulkes | 29 | wife | — | New Jersey |
| 79 | Audrey Faulkes | 4 | daughter | — | New Jersey |
| 80 | William Smith | 37 | head | Welder | New Jersey |
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)