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John Mcdonough — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this John Mcdonough across the 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | McDonough |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark City |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Patrick Mcdonough | Head | — | 48 | ~1882 |
| Margaret Mcdonough | Other | — | 48 | ~1882 |
| Cornelius Mcdonough | Other | — | 35 | ~1895 |
| Jerry Mcdonough | Son | — | 10 | ~1920 |
| Timothy Mcdonough | Son | — | 6 | ~1924 |
| Thomas Mcdonough | Son | — | 15 | ~1915 |
| John Mcdonough | Son | — | 12 | ~1918 |
| Patrick Mcdonough | Son | — | 14 | ~1916 |
| Thomas Mcdonough | Son | — | 8 | ~1922 |
| Ruth Mcdonough | Son | — | 17 | ~1913 |
Census Appearances
1930
Essex, New …
Son, age 12
Essex, New Jersey · implied b. ~1918 — 10 household members
| Surname | McDonough |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 22
Essex-County, New Jersey · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Orange City |
| 1935 Residence (County) | Essex |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 324 |
| Highest Grade | H 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 John Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcdonough
Son · 1930 · age 12 · b. ~1918 · New Jersey
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Sibling
Ruth Mcdonough
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcdonough
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Mcdonough
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcdonough
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Mcdonough
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Mcdonough
Sibling · 1930 · age 14
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
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
46 people indexed on this census page (ia:1930:newjerseycensus00reel1339:0886)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George F. Young | 30 | Head | Policeman | New Jersey |
| 52 | Alice R. Young | 24 | Sister | Teacher | New Jersey |
| 53 | Sarah M. Mcmahon | 37 | Sister-H | None | New Jersey |
| 54 | Joseph R. Forgue | 33 | Boarder | Policeman | New Jersey |
| 55 | None Forgue | None | none | None | none |
| 56 | Andrew J. Donahue | 58 | Head | None | Irish Free State |
| 57 | Jane C. Donahue | 52 | Wife-H | None | New Jersey |
| 58 | Marie D. Donahue | 22 | Daughter | Stenographer | New Jersey |
| 59 | Gertrude E. Donahue | 18 | Daughter | Stenographer | New Jersey |
| 60 | Mary Wilson | 72 | Mother-in-law | None | New Jersey |
| 61 | Frank J. Koch | 42 | Head | Manager | New Jersey |
| 62 | Ida A. Koch | 40 | Wife-H | None | New Jersey |
| 63 | Ida M. Koch | 15 | Daughter | None | New Jersey |
| 64 | Frank J. Jr. Koch | 11 | Son | None | New Jersey |
| 65 | Doris A. Koch | 9 | Daughter | None | New Jersey |
| 66 | Amelia Kapepka | 19 | Servant | Housekeeper | Germany-Baden |
| 67 | Vincenzo (Thomas) Marucci | 47 | Head | Lawyer | Italy |
| 68 | Margaret Marucci | 40 | Wife-H | None | New York |
| 69 | Edmund Marucci | 18 | Son | None | New Jersey |
| 70 | Harold Marucci | 10 | Son | None | New Jersey |
| 71 | Emma Grimaldi | 63 | Mother-in-law | None | Italy |
| 72 | Mary C. Grimaldi | 37 | Sister-in-law | Saleslady | New Jersey |
| 73 | Maurice S. Buck | 62 | Head | Clerk | New Jersey |
| 74 | Maurice S. Jr. Buck | 28 | Son | Manager | New Jersey |
| 75 | Morris W. Wheeler | 35 | Son-in-law | General Manager | New York |
| 76 | Harriet E. Wheeler | 36 | Daughter | None | New Jersey |
| 77 | Ruth E. Wheeler | 4 | Granddaughter | None | New York |
| 78 | Barbara A. Wheeler | 1 | Granddaughter | None | New Jersey |
| 79 | Sylvia G. Geiger | 45 | Head-H | None | New Jersey |
| 80 | Charles F. Geiger | 11 | Son | None | New Jersey |
| 81 | Francis J. Geiger | 9 | Son | None | New Jersey |
| 82 | Patrick J. Mcdonough | 48 | Head | Plasterer | Irish Free State |
| 83 | Margaret Mcdonough | 48 | Wife-H | None | Irish Free State |
| 84 | Ruth J. Mcdonough | 17 | Son | None | New Jersey |
| 85 | Thomas J. Mcdonough | 15 | Son | None | New Jersey |
| 86 | Patrick J. Mcdonough | 14 | Son | None | New Jersey |
| 87 | John P. Mcdonough THIS PERSON | 12 | Son | None | New Jersey |
| 88 | Jerry O. Mcdonough | 10 | Son | None | New Jersey |
| 89 | Thomas M. Mcdonough | 8 | Son | None | New Jersey |
| 90 | Timothy J. Mcdonough | 6 | Son | None | New Jersey |
| 91 | Cornelius P. Mcdonough | 35 | Brother | None | Irish Free State |
| 92 | William Dollinger | 60 | Head | None | New Jersey |
| 93 | Sarah Dollinger | 54 | Wife-H | None | New Jersey |
| 94 | Fred W. Dollinger | 36 | Son | Policeman | New Jersey |
| 95 | John J. Dollinger | 25 | Son | Salesman | New Jersey |
| 96 | Mary R. Dollinger | 30 | Daughter | Teacher | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)