JK
John Kline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Kline across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 12-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Kline |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Helper |
| Industry | Chemical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1619 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Helper |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1915 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Kline | Daughter | — | 20 | ~1920 |
| Genevieve Kline | Spouse | — | 45 | ~1895 |
| James Kline | Son | — | 17 | ~1923 |
| W Kline | Head | — | 50 | ~1890 |
| Natalie Kline | Daughter | — | 10 | ~1930 |
| Robert Kline | Son | — | 5 | ~1935 |
| Mary Kline | Daughter | — | 12 | ~1928 |
| Lawrence Kline | Son | — | ~1940 | |
| George Kline | Son | — | 18 | ~1922 |
| Janet Kline | Daughter | — | 6 | ~1934 |
| John Kline | Son | — | 25 | ~1915 |
| Herbert Kline | Son | — | 8 | ~1932 |
Census Appearances
1930
Hudson, New …
Son, age 14
Hudson, New Jersey · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Hudson-County, New …
Son, age 25
Hudson-County, New Jersey · implied b. ~1915 — 12 household members
| Surname | Kline |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Helper |
| Industry | Chemical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1619 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Kline across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kline
Son · 1940 · age 25 · b. ~1915 · New Jersey
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Sibling
Janet Kline
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Natalie Kline
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kline
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kline
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Kline
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Kline
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Kline
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Kline
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kline
Sibling · 1940 · age 5
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02407-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellen Reilly | 31 | Head | Stenographer | New Jersey |
| 2 | Mary O'Connor | 33 | Daughter | Bookkeeper | New Jersey |
| 3 | Elsie Stoner | 44 | Head | Bookkeeper | New Jersey |
| 4 | Cornelia Martin | 64 | Mother | — | New Jersey |
| 5 | Maymie Jones | 48 | Lodger | — | New York |
| 7 | W Homer Kline | 50 | Head | Varnish Maker | Virginia |
| 8 | Genevieve Kline | 45 | Wife | — | Maryland |
| 9 | John Kline THIS PERSON | 25 | Son | Helper | Maryland |
| 10 | Genevieve Kline | 20 | Daughter | New Worker | Maryland |
| 11 | George Kline | 18 | Son | Truck Driver | Maryland |
| 12 | James Kline | 17 | Son | New Worker | Maryland |
| 13 | Mary Kline | 12 | Daughter | — | New Jersey |
| 14 | Natalie Kline | 10 | Daughter | — | New Jersey |
| 15 | Herbert Kline | 8 | Son | — | New Jersey |
| 16 | Janet Kline | 6 | Daughter | — | New Jersey |
| 17 | Robert Kline | 5 | Son | — | New Jersey |
| 18 | Lawrence Kline | 0 | Son | — | New Jersey |
| 19 | Ada Dooley | 61 | Head | — | New Jersey |
| 20 | Henry Ludwig | 37 | Lodger | Laborer | New Jersey |
| 21 | Gertrude Maysen | 53 | Lodger | Clerk | New York |
| 22 | Anna Hing | 54 | Head | — | Germany |
| 23 | Carl Hing | 25 | Son | Teller | New Jersey |
| 24 | Ruth Hing | 20 | Daughter | Marker | New Jersey |
| 25 | Erich Hing | 18 | Son | Utility Man | New Jersey |
| 26 | George Hing | 16 | Son | — | New Jersey |
| 27 | Anna Hing | 14 | Daughter | — | New Jersey |
| 28 | Kenneth Hing | 12 | Son | — | New Jersey |
| 29 | Peter Trimaroli | 45 | Head | Agent | Italy |
| 30 | Flora Trimaroli | 41 | Wife | — | New York |
| 31 | Mary Trimaroli | 17 | Daughter | — | New Jersey |
| 32 | Louise Trimaroli | 13 | Daughter | — | New Jersey |
| 33 | Louise De Lalla | 67 | Mother Law | — | Italy |
| 34 | William Drinkwater | 45 | Head | Fireman | New Jersey |
| 35 | Catherine Drinkwater | 37 | Wife | Mach. Operator | New Jersey |
| 36 | H Frank Stoeckel | 55 | Head | Prop Shop | New Jersey |
| 37 | Catherine Stoeckel | 56 | Wife | — | New Jersey |
| 38 | Raymond Stoeckel | 26 | Son | Accountant | New Jersey |
| 39 | S Fred Stone | 40 | Head | Rate Clerk | Pennsylvania |
| 40 | B Minnie Stone | 41 | Wife | — | New York |
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)