MD
Margaret Dunn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Margaret Dunn across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Elizabeth & Robert — first a daughter (b.~1915), then head of a 2-person household.
Age 25
b. ~1915
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Dunn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Maplewood |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Orange |
| Est. Birth Year | ~1915 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Dunn | Daughter | — | 25 | ~1915 |
| William Dunn | Head | — | 57 | ~1883 |
Census Appearances
1920
Essex, New …
Daughter, age 4
Essex, New Jersey · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Daughter, age 14
Essex, New Jersey · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Margaret R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 25
Essex-County, New Jersey · implied b. ~1915 — 2 household members
| Surname | Dunn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Maplewood |
| 1935 Residence (County) | Essex |
| Highest Grade | H 4 |
| 1935 Residence | New Jersey |
| 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 Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Dunn (~0.92 confidence) and father Robert Dunn (~0.92 confidence) and father F Dunn (~0.92 confidence) and father William Dunn (~0.92 confidence) and mother Kathryn Dunn (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Dunn
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Robert Dunn
b. ~1872
Source father
● Household
· direct · ~0.92
Father
F Dunn
b. ~1876
Source father
● Household
· direct · ~0.92
Father
William Dunn
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Kathryn Dunn
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Dunn
Daughter · 1940 · age 25 · b. ~1915 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02339-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E. Newman | 50 | Head | C. Engineer | Kentucky |
| 2 | Mary Newman | 40 | Wife | — | New Jersey |
| 3 | John Jr. Newman | 13 | Son | — | New Jersey |
| 4 | Charles Newman | 11 | Son | — | New Jersey |
| 5 | Bruce Newman | 9 | Son | — | New Jersey |
| 6 | Eleanor Newman | 2 | Daughter | — | New Jersey |
| 7 | Wm. Sproul | 34 | Head | Accountant | Pennsylvania |
| 8 | Marian Sproul | 33 | Wife | — | New Jersey |
| 9 | Sally J. Sproul | 3 | Daughter | — | New Jersey |
| 10 | Alexander Underwood | 45 | Head | Executive | New Jersey |
| 11 | Margaret Underwood | 44 | Wife | — | New Jersey |
| 12 | Nancy Underwood | 16 | Daughter | — | New Jersey |
| 13 | Harold Conkling | 59 | Head | Customs Man | New York |
| 14 | Mary Conkling | 61 | Wife | — | New York |
| 15 | Harold Jr. Conkling | 25 | Son | Mechanic | New Jersey |
| 16 | Thomas Rich | 33 | Son-in-law | Supervisor | Pennsylvania |
| 17 | Beulah Rich | 30 | Daughter | — | New Jersey |
| 18 | Sally Rich | 4 | Grand D. | — | New Jersey |
| 19 | Susan Rich | 0 | Grand D. | — | New Jersey |
| 20 | William Dunn | 57 | Head | Executive | New York |
| 21 | Margaret Dunn THIS PERSON | 25 | Daughter | — | New Jersey |
| 22 | Clifford Matthews | 66 | Head | Investment | New Jersey |
| 23 | Agnes Matthews | 63 | Wife | — | New Jersey |
| 24 | Fred H. Matthews | 33 | Son | Bookkeeper | New Jersey |
| 25 | Nathan Lifshus | 53 | Head | Accountant | Russia |
| 26 | Louise Lifshus | 51 | Wife | — | Russia |
| 27 | Al. Albert Lifshus | 25 | Son | — | New Jersey |
| 28 | Sidney Lifshus | 21 | Son | — | New Jersey |
| 29 | Edgar Lifshus | 20 | Son | — | New Jersey |
| 30 | Bernice Lifshus | 17 | Daughter | — | New Jersey |
| 31 | Clarence Dunbaugh | 70 | Head | Purchasing Agt | Missouri |
| 32 | Mary Dunbaugh | 59 | Wife | — | Pennsylvania |
| 33 | Ken Sugimoto | 56 | Servant | Servant | Japan |
| 34 | Wm. Schlegel | 70 | Head | Sales Mgr. | New York |
| 35 | Marion Schlegel | 60 | Wife | — | Canada |
| 36 | Alexander Rappoliello | 34 | Head | Druggist | New Jersey |
| 37 | Jennie Rappoliello | 30 | Wife | Saleslady | New York |
| 38 | Vincent Rappoliello | 46 | Head | Med. Doctor | New Jersey |
Pedigree Summary
Margaret
Gen 1 · 5 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)