MK
Marie Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this Marie Kelly across the 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | Kelly |
| Given Name | Marie M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | NEW BRUNSWICK CITY |
| 1935 Residence (County) | MIDDLESEX |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | New Brunswick City |
| Est. Birth Year | ~1927 |
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 Marie | Age | Birth yr |
|---|---|---|---|---|
| Marie Kelly | Daughter | — | 13 | ~1927 |
| Joseph Kelly | Head | — | 42 | ~1898 |
| Joseph Kelly | Son | — | 18 | ~1922 |
| Mary Kelly | Spouse | — | 48 | ~1892 |
| Gerard Kelly | Son | — | 19 | ~1921 |
| Dorothy Kelly | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Middlesex, New …
Daughter, age 3
Middlesex, New Jersey · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Marie M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Daughter, age 13
Middlesex-County, New Jersey · implied b. ~1927 — 6 household members
| Surname | Kelly |
| Given Name | Marie M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | NEW BRUNSWICK CITY |
| 1935 Residence (County) | MIDDLESEX |
| Highest Grade | No 7 |
| 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 Marie Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Kelly
Daughter · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
Joseph Kelly
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Kelly
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerard Kelly
Sibling · 1940 · age 19
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 — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02360-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Philip Minner | 63 | Father in law | — | New York |
| 2 | Frank De Angelis | 47 | Head | Part Owner | Italy |
| 3 | Elizabeth De Angelis | 43 | Wife | — | New York |
| 4 | Loretta De Angelis | 18 | Daughter | — | New Jersey |
| 5 | Elizabeth De Angelis | 17 | Daughter | — | New Jersey |
| 6 | Francis De Angelis | 14 | Son | — | New Jersey |
| 7 | Robert De Angelis | 9 | Son | — | New Jersey |
| 8 | Joseph De Frates | 36 | Head | Biological Chemist | New Jersey |
| 9 | Roger Mc Donough | 30 | Partner | Librarian | New Jersey |
| 10 | H. Gilbert Kelly | 27 | Partner | Reference Librarian | New York |
| 11 | Charles J. Reilly | 58 | Head | Police Lieutenant | New Jersey |
| 12 | Catherine E. Reilly | 44 | Wife | — | New Jersey |
| 13 | Henry B. Dunn | 60 | Head | Clerk | New Jersey |
| 14 | Mary F. Dunn | 56 | Wife | — | New Jersey |
| 15 | M. Grace Dunn | 32 | Daughter | Teacher | New Jersey |
| 16 | Helen C. Kelly | 59 | In law | Saleslady | New Jersey |
| 17 | James W. Jernee | 49 | Head | Clerk | New Jersey |
| 18 | Mary Jernee | 46 | Wife | Clerk | New Jersey |
| 19 | James J. Jernee | 21 | Son | — | New Jersey |
| 20 | William F. Smith | 36 | Head | Federal Attorney | New Jersey |
| 21 | Marie C. Smith | 32 | Wife | — | New Jersey |
| 22 | Charles J. Welter | 40 | Head | Printer | New York |
| 23 | Helen Welter | 37 | Wife | — | New York |
| 24 | Andrew Welter | 10 | Son | — | New Jersey |
| 25 | Anita Welter | 8 | Daughter | — | New Jersey |
| 26 | Charles Welter | 5 | Son | — | New Jersey |
| 27 | Florence Fuller | 23 | Roomer | Technician | New Jersey |
| 28 | Vivien Pullen | 22 | Roomer | Registered Nurse | New Jersey |
| 29 | John N. Harkins | 43 | Head | Investigator | New Jersey |
| 30 | Ethel M. Harkins | 39 | Wife | — | New Jersey |
| 31 | Mary E. Harkins | 20 | Daughter | Stenographer | New Jersey |
| 32 | William F. Harkins | 19 | Son | — | New Jersey |
| 33 | Dorothy M. Harkins | 15 | Daughter | — | New Jersey |
| 34 | Joan Harkins | 3 | Daughter | — | New Jersey |
| 35 | Joseph H. Kelly | 42 | Head | Carpenter | New York |
| 36 | Mary C. Kelly | 48 | Wife | — | New York |
| 37 | Gerard M. Kelly | 19 | Son | Assistant Inspector | New Jersey |
| 38 | Joseph F. Kelly | 18 | Son | — | New Jersey |
| 39 | Dorothy A. Kelly | 16 | Daughter | — | New Jersey |
| 40 | Marie M. Kelly THIS PERSON | 13 | 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)