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Mary Mcdonough — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Mary Mcdonough across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Edw & Edward — first a daughter (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Village |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Secretary |
| Industry | Real Estate & Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 130 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Secretary |
| Township / Ward | Village |
| Est. Birth Year | ~1919 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonough | Daughter | — | 21 | ~1919 |
| Edw Mcdonough | Head | — | 52 | ~1888 |
| Elizabeth Adams | Other | — | 70 | ~1870 |
| Edward Mcdonough | Son | — | 14 | ~1926 |
| Thomas Mcdonough | Son | — | 9 | ~1931 |
| Elizabeth Mcdonough | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Essex, New …
Daughter, age 1
Essex, New Jersey · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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
Essex, New …
Daughter, age 11
Essex, New Jersey · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 21
Essex-County, New Jersey · implied b. ~1919 — 6 household members
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Village |
| 1935 Residence (County) | Essex |
| Occupation | Secretary |
| Industry | Real Estate & Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 130 |
| Highest Grade | Hs 4 |
| 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 Mary Mcdonough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edw Mcdonough (~0.92 confidence) and father Edward Mcdonough (~0.92 confidence) and mother Elizabeth Mcdonough (~0.92 confidence) and mother Elizabeth Mcdonough (~0.92 confidence) and mother Anna Koneslabo (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Edw Mcdonough
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Edward Mcdonough
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Mcdonough
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Mcdonough
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Anna Koneslabo
b. ~1910
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Mary Mcdonough
Daughter · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
Edward Mcdonough
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcdonough
Sibling · 1940 · age 9
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02340-00178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edw. Mcdonough | 52 | Head | Real Estate & Insurance | New Jersey |
| 2 | Elizabeth Mcdonough | 45 | Wife | — | New Jersey |
| 3 | Mary Mcdonough THIS PERSON | 21 | Daughter | Secretary | New Jersey |
| 4 | Edward Jr. Mcdonough | 14 | Son | — | New Jersey |
| 5 | Thomas Mcdonough | 9 | Son | — | New Jersey |
| 6 | Elizabeth Adams | 70 | Aunt in law | — | New Jersey |
| 7 | Martha F. Lewis | 40 | Head | Cafeteria Manager | New Jersey |
| 8 | Stella Esch | 31 | Servant | Maid | Penn. |
| 9 | Anne Elamon | 52 | Head | Teacher | New Jersey |
| 10 | Mary G. Elamon | 50 | Sister | Secretary | New Jersey |
| 11 | Ruth Elamon | 45 | Sister | Secretary | New Jersey |
| 12 | Alfred J. Phillips | 52 | Head | Consulting Engineer | Penn. |
| 13 | Josephine N. Phillips | 52 | Wife | — | Penn. |
| 14 | Daniel N. Phillips | 23 | Son | Mechanical Engineer | Illinois |
| 15 | Norman J. Rehman | 50 | Head | Electrical Engineer | U.S. |
| 16 | Jennette Rehman | 40 | Wife | — | U.S. |
| 17 | Harrington Ann Q. Rehman | 9 | Niece | — | U.S. |
| 18 | Robert L. Kinschi | 59 | Head | Salesman | New Jersey |
| 19 | Blanche W. Kinschi | 57 | Wife | Salesman | New Jersey |
| 20 | Jerome Powers | 47 | Head | Utility | New York |
| 21 | Margaret F. Powers | 55 | Wife | — | Pennsylvania |
| 22 | Paul B. Blanchet | 49 | Head | Salesman | New Jersey |
| 23 | H. M. Jr. Wilson | 43 | Head | Agt. Insurance | D. C. |
| 24 | H. C. Wilson | 31 | Wife | Secretary | New Jersey |
| 25 | George W. Phelps | 61 | Head | Salesman | Conn. |
| 26 | Virginia R. Phelps | 57 | Wife | — | Mass. |
| 27 | Erdean F. Phelps | 34 | Daughter | Teacher | New Jersey |
| 28 | Clinton E. Phelps | 26 | Son | Assistant Manager | New Jersey |
| 29 | G. E. Reynolds | 61 | Head | Salesman | New Jersey |
| 30 | Bertha V. Reynolds | 60 | Wife | — | New Jersey |
| 31 | Helen Reynolds | 39 | Daughter | Office Worker | New Jersey |
| 32 | Thornden Street | None | — | — | — |
| 33 | Lucy T. Fenner | 75 | Head | Artist | New Jersey |
| 34 | John Leary | 47 | Head | Salesman | New Jersey |
| 35 | Josephine Leary | 41 | Wife | — | New Jersey |
| 36 | Mardelle Leary | 20 | Daughter | — | New Jersey |
| 37 | John P. Leary | 18 | Son | — | New Jersey |
| 38 | Joan Leary | 12 | Daughter | — | New Jersey |
| 39 | Robert A. Howie | 56 | Head | Contractor | Scotland |
| 40 | Ellen Howie | 55 | Wife | — | Ireland |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 parents
~0.86
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)