WK
William Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this William Kelly across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Delia & William — first a son (b.~1918), then head of a 11-person household.
Age 22
b. ~1918
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Kelly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Laborer |
| Industry | Express Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Laborer |
| Township / Ward | Jersey City |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Florence Kelly | Daughter | — | 16 | ~1924 |
| Alice Kelly | Daughter | — | 24 | ~1916 |
| Margaret Kelly | Daughter | — | 18 | ~1922 |
| Anna Kelly | Daughter | — | 22 | ~1918 |
| Helen Kelly | Daughter | — | 11 | ~1929 |
| Madelyn Kelly | Daughter | — | 20 | ~1920 |
| Anna Kelly | Head | — | 49 | ~1891 |
| James Kelly | Son | — | 5 | ~1935 |
| John Kelly | Son | — | 12 | ~1928 |
| William Kelly | Son | — | 22 | ~1918 |
| Eugene Kelly | Son | — | 3 | ~1937 |
Census Appearances
1920
Hudson, New …
Son, age
Hudson, New Jersey · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 10
Hudson, New Jersey · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 22
Hudson-County, New Jersey · implied b. ~1918 — 11 household members
| Surname | Kelly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Laborer |
| Industry | Express Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Delia Kelley (~0.49 confidence) and father William Kelly (~0.92 confidence) and mother Anna Kelly (~0.92 confidence) and mother Nellie Kelly (~0.92 confidence) and mother Josephine Kelly (~0.92 confidence) and father Joseph Kelly (~0.55 confidence). The pedigree spans 3 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Mother
Delia Kelley
b. ~1875
Source mother>father>mother
● Household
· direct · ~0.49
Father
William Kelly
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Anna Kelly
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Nellie Kelly
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Josephine Kelly
b. ~1899
Source mother
● Household
· direct · ~0.92
Father
Joseph Kelly
b. ~1896
Source mother>father
● Household
· direct · ~0.55
This person
Anchor record
William Kelly
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Margaret Kelly
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kelly
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Kelly
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madelyn Kelly
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kelly
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Kelly
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Kelly
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kelly
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Kelly
Sibling · 1940 · age 22
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
40 people indexed on this census page (nara:1940:m-t0627-02401-00618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Sabother | 27 | Daughter | — | New Jersey |
| 2 | Blanche Sabother | 25 | daughter | Saleslady | New Jersey |
| 3 | Joseph Sabother | 20 | Son | Waiter | New Jersey |
| 4 | Sophie Sabother | 16 | daughter | — | New Jersey |
| 5 | Eleanor Sabother | 14 | daughter | — | New Jersey |
| 6 | Dorothy Sabother | 10 | daughter | — | New Jersey |
| 7 | Rowan Mcspirit | 45 | Head | Policeman | New Jersey |
| 8 | Mary Mcspirit | 43 | Wife | — | New Jersey |
| 9 | Margaret Mcspirit | 5 | daughter | — | New Jersey |
| 10 | Harry Mcspirit | 60 | Brother | — | New Jersey |
| 11 | Verna Paul | 53 | Head | Owner Of Restaurant | New York |
| 12 | Mabel Paul | 52 | Wife | — | New Jersey |
| 13 | Robert Paul | 27 | Son | Clerk | New Jersey |
| 14 | Lorraine Paul | 9 | Daughter | — | Conn. |
| 15 | David Devlin | 17 | Brother in law | — | New Jersey |
| 16 | Vera Bloom | 25 | daughter | — | New Jersey |
| 17 | Robert Bloom | 4 | Grandson | — | New Jersey |
| 18 | Anna Kelly | 49 | Head | — | New Jersey |
| 19 | Alice Kelly | 24 | daughter | Operator | New Jersey |
| 20 | Anna Kelly | 22 | daughter | Office Work | New Jersey |
| 21 | William Kelly THIS PERSON | 22 | Son | Laborer | New Jersey |
| 22 | Madelyn Kelly | 20 | daughter | Counter Girl | New Jersey |
| 23 | Margaret Kelly | 18 | daughter | Waitress | New Jersey |
| 24 | Florence Kelly | 16 | daughter | — | New Jersey |
| 25 | John Kelly | 12 | Son | — | New Jersey |
| 26 | Helen Kelly | 11 | daughter | — | New Jersey |
| 27 | James Kelly | 5 | Son | — | New Jersey |
| 28 | Eugene Kelly | 3 | Son | — | New Jersey |
| 29 | Timothy Sr. Sheehan | 48 | Head | Laborer | New Jersey |
| 30 | Matilda Sheehan | 48 | Wife | — | New Jersey |
| 31 | Rose Irene Sheehan | 19 | daughter | Laborer | New Jersey |
| 32 | Timothy Jr. Sheehan | 17 | Son | Helper | New Jersey |
| 33 | Margaret Sheehan | 15 | daughter | — | New Jersey |
| 34 | Dolores Sheehan | 14 | daughter | — | New Jersey |
| 35 | John Sr. Kane | 24 | Son in law | Assorter | New Jersey |
| 36 | Lucille Kane | 22 | daughter | — | New Jersey |
| 37 | John Jr. Kane | 3 | Grandson | — | New Jersey |
| 38 | Thomas Kane | 2 | Grandson | — | New Jersey |
| 39 | Edward Kane | 1 | Grandson | — | New Jersey |
| 40 | Harry Mcnally | 38 | Head | Bookkeeper | New York |
Related Census Records
Pedigree Summary
William + 9 siblings
Gen 1 · 4 parents
~0.92
Gen 2 · 1 grandparents
~0.55
Gen 3 · 1 great-grandparents
~0.49
Max depth 4 (1900–1950 window)
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)