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Margaret Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Margaret Kelly across the 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Kelly |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Anne Kelly | Daughter | — | 19 | ~1921 |
| Helen Kelly | Daughter | — | 25 | ~1915 |
| Regina Kelly | Daughter | — | 11 | ~1929 |
| Margaret Kelly | Daughter | — | 13 | ~1927 |
| Mary Kelly | Daughter | — | 23 | ~1917 |
| Helen Kelly | Head | — | 58 | ~1882 |
| J Kelly | Son | — | 27 | ~1913 |
| William Kelly | Son | — | 21 | ~1919 |
| Gerald Kelly | Son | — | 9 | ~1931 |
| Richard Kelly | Son | — | 11 | ~1929 |
| Donald Kelly | Son | — | 16 | ~1924 |
Census Appearances
Daughter, age 3
Mercer, New Jersey · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| 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 |
1940
Mercer-County, New …
Daughter, age 13
Mercer-County, New Jersey · implied b. ~1927 — 11 household members
| Surname | Kelly |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Kelly
Daughter · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
Richard Kelly
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Kelly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Kelly
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kelly
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Kelly
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kelly
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Kelly
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kelly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Regina Kelly
Sibling · 1940 · age 11
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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02437-00147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carrie F Johnson | 70 | Sister-in-law | — | New Jersey |
| 2 | George F Johnson | 11 | Nephew | — | New Jersey |
| 3 | Elizabeth F Burke | 23 | Lodger | Labeller | New Jersey |
| 4 | Evona Sutphin | 60 | Head | — | New Jersey |
| 5 | Mary Clark | 65 | Head | — | New Jersey |
| 6 | Clarence H B Jones | 47 | Head | Plumber | New Jersey |
| 7 | Maud B Jones | 47 | Wife | — | Kentucky |
| 8 | Samuel Atkinson | 70 | Lodger | — | New Jersey |
| 9 | Ely D Van Orken | 23 | Head | — | New York |
| 10 | Teresa B Mcmaster | 65 | Head | — | Pennsylvania |
| 11 | Charles E Vernon | 42 | Head | Electrician | New Jersey |
| 12 | Mona M B Vernon | 42 | Wife | Telephone Operator | New Jersey |
| 13 | Charlene Vernon | 11 | Daughter | — | New Jersey |
| 14 | Catherine B Mcnelly | 53 | Head | — | Pennsylvania |
| 15 | Helen F B Kelly | 58 | Head | — | New Jersey |
| 16 | J Victor Kelly | 27 | Son | Truck Driver | New Jersey |
| 17 | Helen J Kelly | 25 | Daughter | Cashier | New Jersey |
| 18 | Mary P Kelly | 23 | Daughter | Cashier | New Jersey |
| 19 | William R Kelly | 21 | Son | Shipping Clerk | New Jersey |
| 20 | Anne C Kelly | 19 | Daughter | Clerk | New Jersey |
| 21 | Donald F Kelly | 16 | Son | — | New Jersey |
| 22 | Margaret M Kelly THIS PERSON | 13 | Daughter | — | New Jersey |
| 23 | Regina P Kelly | 11 | Daughter | — | New Jersey |
| 24 | Richard Kelly | 11 | Son | — | New Jersey |
| 25 | Gerald Kelly | 9 | Son | — | New Jersey |
| 26 | — | None | — | — | — |
| 27 | Thomas A B Keaney | 52 | Head | Pastor | New Jersey |
| 28 | Bernard De Costa | 30 | Assistant | Priest Assistant | Massachusetts |
| 29 | James Coyne | 33 | Assistant | Asst Priest Assistant | Massachusetts |
| 30 | Edward Sullivan | 30 | Assistant | 3Rd Priest Assistant | New York |
| 31 | Erna Riegel | 39 | Housekeeper | Housekeeper | Germany |
| 32 | — | None | — | — | — |
| 33 | — | None | — | — | — |
| 34 | S. M. Baptista Hill | 54 | Head | Principal | England |
| 35 | S. M. Laurentia Beam | 70 | Sister | Teacher | Pennsylvania |
| 36 | S. M. Modesta Ullrich | 55 | Sister | Teacher | Baltimore |
| 37 | S. M. Michael Hammer | 56 | Sister | Housekeeper | Pennsylvania |
| 38 | S. M. Rudolphine Schalley | 40 | Sister | Teacher | Pennsylvania |
| 39 | S. M. Eutropia Quinn | 38 | Sister | Teacher | Delaware |
| 40 | S. M. Florana Elliott | 34 | Sister | Teacher | Pennsylvania |
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)