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Mary Mcdonnell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Passaic, New Jersey
Our Model Tree links this Mary Mcdonnell across the 1930 and 1940 US Censuses in Passaic, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 5
b. ~1925
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Passaic, New Jersey |
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Paterson City |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Mcdonnell | Daughter | — | 14 | ~1916 |
| Bridget Mcdonnell | Spouse | — | 45 | ~1885 |
| Peter Mcdonnell | Son | — | 8 | ~1922 |
| Mary Mcdonnell | Daughter | — | 5 | ~1925 |
| Edward Mcdonnell | Son | — | 11 | ~1919 |
| Margaret Mcdonnell | Daughter | — | 16 | ~1914 |
| Peter Mcdonnell | Head | — | 53 | ~1877 |
Census Appearances
1930
Passaic, New …
Daughter, age 5
Passaic, New Jersey · implied b. ~1925 — 7 household members
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Daughter, age 15
Passaic-County, New Jersey · implied b. ~1925 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson City |
| 1935 Residence (County) | Passaic |
| Highest Grade | H 1 |
| 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 Mcdonnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdonnell
Daughter · 1930 · age 5 · b. ~1925 · New Jersey
★ You are viewing this record
Sibling
Eleanor Mcdonnell
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcdonnell
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcdonnell
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Mcdonnell
Sibling · 1930 · age 8
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 — Passaic, New Jersey
Open full size
1930 US Federal Census — Passaic, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1381:0338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernard M Brossman | 18 | Son | Apprentice | New York |
| 2 | Richard C Brossman | 15 | Son | — | New York |
| 3 | Willa Brossman | 7 | Daughter | — | New Jersey |
| 4 | Michael Murphy | 70 | Head | — | Irish Free State |
| 5 | Ella M Murphy | 30 | Daughter | Teacher | Irish Free State |
| 6 | Alice Mcdonnell | 56 | Sister in law | House Keeper | Irish Free State |
| 7 | John Van Doorn | 55 | Head | Chauffeur | Holland |
| 8 | Anna Van Doorn | 49 | Wife | — | Holland |
| 9 | Cornelius Van Doorn | 22 | Son | Quiller | Massachusetts |
| 10 | Harold Van Doorn | 14 | Son | — | New Jersey |
| 11 | George Oliver | 45 | Head | Molder | England |
| 12 | Rose Oliver | 47 | Wife | — | New Jersey |
| 13 | Mary Angelo | 74 | Mother in law | — | Italy |
| 14 | Mary Halloran | 47 | Head | — | New Jersey |
| 15 | Julia Halloran | 46 | Sister | Doubler | New Jersey |
| 16 | Joseph Mccartney | 26 | Nephew | Checker | New Jersey |
| 17 | Harold Mccartney | 24 | Nephew | Checker | New Jersey |
| 18 | Hannah Murphy | 38 | Head | Maid | Ireland |
| 19 | Charles Brown | 15 | Adopted son | — | New Jersey |
| 20 | Emil Hammond | 33 | Head | Twister | France |
| 21 | Sadie Hammond | 24 | Wife | — | Scotland |
| 22 | Mary Hammond | 5 | Daughter | — | New Jersey |
| 23 | Irene E Hammond | 4 | Daughter | — | New Jersey |
| 24 | Joseph Hammond | 2 | Son | — | New Jersey |
| 25 | John Hammond | 1 | Son | — | New Jersey |
| 26 | Matthew Dennis | 77 | Head | — | France |
| 27 | Mary Raymond | 24 | Daughter | Warper | New Jersey |
| 28 | Emil Dennis | 21 | Son | Dyers Helper | New Jersey |
| 29 | Moses Philian | 45 | Head | Weaver | Syria |
| 30 | Antoinette Philian | 14 | Daughter | Helper | Pennsylvania |
| 31 | Alexander Philian | 12 | Son | — | Connecticut |
| 32 | June Philian | 9 | Daughter | — | Connecticut |
| 33 | Alexander H Philian | 28 | Nephew | Weaver | Syria |
| 34 | Tekrouhi Shaparian | 30 | Brother in law | Weaver | Syria |
| 35 | Joseph Rossi | 41 | Head | Weaver | New Jersey |
| 36 | Lena Rossi | 41 | Wife | — | Russia |
| 37 | Lydia Rossi | 20 | Daughter | Trained Nurse | New Jersey |
| 38 | Norman Rossi | 13 | Son | — | New Jersey |
| 39 | Kenneth Rossi | 8 | Son | — | New Jersey |
| 40 | Robert Adam | 39 | Head | Truckman | Scotland |
| 41 | Agnes Adam | 34 | Wife | — | New Jersey |
| 42 | Claire Adam | 13 | Daughter | — | New Jersey |
| 43 | Peter J Mcdonnell | 53 | Head | Gen. Manager | Irish Free State |
| 44 | Bridget Mcdonnell | 45 | Wife | — | England |
| 45 | Margaret Mcdonnell | 16 | Daughter | — | New Jersey |
| 46 | Eleanor Mcdonnell | 14 | Daughter | — | New Jersey |
| 47 | Edward Mcdonnell | 11 | Son | — | New Jersey |
| 48 | Peter Mcdonnell | 8 | Son | — | New Jersey |
| 49 | Mary Mcdonnell THIS PERSON | 5 | Daughter | — | New Jersey |
| 50 | John Schuice | 50 | Head | Laborer | 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)