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Katherine Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Katherine Kelly across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Kelly |
| Given Name | Katherine (X) |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | JERSEY CITY |
| 1935 Residence (County) | HUDSON |
| Naturalization Status | First papers filed |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| John Cullen | Other | — | 25 | ~1915 |
| Katherine Kelly | Spouse | — | 55 | ~1885 |
| Mary Conroy | Other | — | 21 | ~1919 |
| Michael Kelly | Head | — | 53 | ~1887 |
| Anne Kelly | Daughter | — | 18 | ~1922 |
| Katherine Cullen | Other | — | 27 | ~1913 |
Census Appearances
1920
Hudson, New …
Spouse, age 32
Hudson, New Jersey · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housewife |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | ireland |
1930
Hudson, New …
Other, age 43
Hudson, New Jersey · implied b. ~1887 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Katherine |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Hudson-County, New …
Spouse, age 55
Hudson-County, New Jersey · implied b. ~1885 — 6 household members
| Surname | Kelly |
| Given Name | Katherine (X) |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | JERSEY CITY |
| 1935 Residence (County) | HUDSON |
| Naturalization Status | First papers filed |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Katherine Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Katherine Kelly
Spouse · 1940 · age 55 · b. ~1885 · New Jersey
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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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02401-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Nietubycz | 17 | Daughter | Winder | New Jersey |
| 2 | Jadwiga Nietubycz | 11 | Daughter | — | New Jersey |
| 3 | Jean Sawicka | 25 | Daughter | Lead Assembler | Poland |
| 4 | Dorothy Sawicka | 5 | Granddaughter | — | New Jersey |
| 5 | Julia (V) Jankowski | 52 | Head | Charwoman | Poland |
| 6 | Leo Jankowski | 25 | Son | Laborer | New Jersey |
| 7 | Edward Jankowski | 23 | Son | Seaman | New Jersey |
| 8 | Justyn Justyn | 60 | Head | Machinist | Poland |
| 9 | Lena (X) Justyn | 54 | Wife | — | Poland |
| 10 | Michael Kelly | 53 | Head | Laborer | Ireland |
| 11 | Katherine (X) Kelly THIS PERSON | 55 | Wife | — | Ireland |
| 12 | Anne Kelly | 18 | Daughter | Clerk | New Jersey |
| 13 | Katherine Cullen | 27 | Stepdaughter | File Clerk | New Jersey |
| 14 | John Cullen | 25 | Stepson | Helper | New Jersey |
| 15 | Mary Conroy | 21 | Stepdaughter | Folder | New Jersey |
| 16 | Josephine (X) Malkowski | 49 | Head | — | Poland |
| 17 | Ann Malkowski | 23 | Daughter | Presser | New York |
| 18 | Mary Malkowski | 21 | Daughter | Machine Operator | New York |
| 19 | Edward Malkowski | 18 | Son | Truck Driver | New Jersey |
| 20 | Joseph Malkowski | 15 | Son | — | New Jersey |
| 21 | Alexander Gross | 57 | Head | Laborer | Poland |
| 22 | Mary (X) Gross | 50 | Wife | — | Poland |
| 23 | Michael Gross | 28 | Son | Laborer | New Jersey |
| 24 | Alexander K. Gross | 26 | Son | — | New Jersey |
| 25 | Cornelius Gross | 22 | Son | Laborer | New Jersey |
| 26 | Peter Gross | 17 | Son | — | New Jersey |
| 27 | James (X) Mcguire | 35 | Head | Machinist'S Helper | New Jersey |
| 28 | Stella Mcguire | 27 | Wife | Packer | New Jersey |
| 29 | Evelyn Mcguire | 5 | Daughter | — | New Jersey |
| 30 | James Jr. Mcguire | 4 | Son | — | New Jersey |
| 31 | Joseph (X) Cieslak | 48 | Head | Fireman | Poland |
| 32 | Walter (X) Kosiak | 59 | Head | House Wrecker | Poland |
| 33 | Anna Kosiak | 50 | Wife | — | Poland |
| 34 | William Kosiak | 31 | Son | Carpenter | New Jersey |
| 35 | Katherine (X) Moylan | 63 | Head | — | Ireland |
| 36 | John Moylan | 29 | Son | Laborer | New Jersey |
| 37 | Michael Moylan | 26 | Son | Laborer | New Jersey |
| 38 | Frances (X) Batorski | 40 | Head | House Worker | Poland |
| 39 | Lottie Batorski | 12 | Daughter | — | New Jersey |
| 40 | Theresa Batorski | 10 | Daughter | — | 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)