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Margaret Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Margaret Kelly across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & Antonia — first a daughter (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Comptometer |
| Industry | Automobile Manufacturer |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 832 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Comptometer |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1909 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Kelly | Daughter | — | 13 | ~1927 |
| Margaret Kelly | Daughter | — | 31 | ~1909 |
| Joseph Kelly | Head | — | 56 | ~1884 |
| Margaret Kelly | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Hudson, New …
Daughter, age 9
Hudson, New Jersey · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 20
Hudson, New Jersey · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Occupation | Instructor |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 31
Hudson-County, New Jersey · implied b. ~1909 — 4 household members
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Comptometer |
| Industry | Automobile Manufacturer |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 832 |
| Highest Grade | H 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 Margaret Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Kelly (~0.92 confidence) and mother Antonia Kelly (~0.92 confidence) and father Joseph Kelly (~0.92 confidence) and mother Margaret Kelly (~0.92 confidence) and father Leo Kelly (~0.92 confidence) and mother Mary Kelly (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Kelly
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Antonia Kelly
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Joseph Kelly
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Kelly
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Leo Kelly
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Mary Kelly
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Kelly
Daughter · 1940 · age 31 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Dorothy Kelly
Sibling · 1940 · age 13
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-t0627-02405-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara A Burke | 2 | Daughter | — | New Jersey |
| 42 | William O'Connor | 42 | Head | Real Clerk | New Jersey |
| 43 | Elsie O'Connor | 46 | Wife | — | New Jersey |
| 44 | William Jr. O'Connor | 17 | Son | — | New Jersey |
| 45 | Osborne B. Crosby | 60 | Head | Fireman | Maine |
| 46 | Florence Crosby | 53 | Wife | — | New Jersey |
| 47 | Patrick Cosgrove | 64 | Head | Engineer | New Jersey |
| 48 | Georgia Cosgrove | 69 | Wife | — | New York |
| 49 | Charles Whitfield | 37 | Step-son | Chauffeur | New Jersey |
| 50 | Hattie Whitfield | 37 | Daughter-in-law | Packer | New Jersey |
| 51 | Emil Cucuraro | 54 | Head | Routeman | Italy |
| 52 | Theresa Cucuraro | 48 | Wife | — | New York |
| 53 | Rose Cucuraro | 26 | Daughter | Clerk | New Jersey |
| 54 | Nicholas J. Muccio | 52 | Head | Bookkeeper | New York |
| 55 | Vincent Muccio | 22 | Son | Clerk | New York |
| 56 | Pasquale Pascale | 44 | Head | Tailor | New York |
| 57 | Theresa Pascale | 43 | Wife | — | New York |
| 58 | Vincent Pascale | 19 | Son | Clerk | New York |
| 59 | Nick Kowschowik | 57 | Head | Longshoreman | Russia |
| 60 | Mary Kowschowik | 54 | Wife | — | Poland |
| 61 | Edith Kowschowik | 23 | Daughter | Waitress | West Virginia |
| 62 | Mary Kowschowik | 15 | Daughter | — | New Jersey |
| 63 | John Mesterly | 44 | Head | Salesman | New Jersey |
| 64 | Irene Mesterly | 40 | Wife | — | New Jersey |
| 65 | Gerard Mesterly | 14 | Son | — | New Jersey |
| 66 | Alfred Brumels | 52 | Head | Clerk | New Jersey |
| 67 | Mary Brumels | 51 | Wife | — | New Jersey |
| 68 | Alfred Brumels | 24 | Son | Buyer | New Jersey |
| 69 | Walter Brumels | 16 | Son | — | New Jersey |
| 70 | Joseph Kelly | 56 | Head | Machine Operator | Pennsylvania |
| 71 | Margaret Kelly | 53 | Wife | — | New York |
| 72 | Margaret Kelly THIS PERSON | 31 | Daughter | Comptometer | New Jersey |
| 73 | Dorothy Kelly | 13 | Daughter | — | New Jersey |
| 74 | Florence Keirle | 49 | Head | — | New Jersey |
| 75 | Joseph Keirle | 53 | Husband | Burner | New Jersey |
| 76 | Florence Keirle | 25 | Daughter | Presser | New Jersey |
| 77 | Mary Keirle | 22 | Daughter | Machine Operator | New Jersey |
| 78 | East Joseph Keirle | 12 | Son | — | New Jersey |
| 79 | Mary Callahan | 58 | Head | — | New Jersey |
| 80 | Sophie Callahan | 27 | Daughter | Machine Operator | New Jersey |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 6 parents
~0.92
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)