WM
William Macdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bergen, New Jersey
Our Model Tree links this William Macdonald across the 1930 and 1940 US Censuses in Bergen, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 9
b. ~1921
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bergen, New Jersey |
| Surname | MacDonald |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Borough Of East Paterson |
| Est. Birth Year | ~1921 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Macdonald | Son | — | 9 | ~1921 |
| William Macdonald | Head | — | 44 | ~1886 |
| Catherine Macdonald | Daughter | — | 5 | ~1925 |
| Dorothy Macdonald | Daughter | — | 2 | ~1928 |
| Edith Macdonald | Daughter | — | 7 | ~1923 |
| Joseph Macdonald | Son | — | 15 | ~1915 |
| Blanche Macdonald | Daughter | — | 11 | ~1919 |
| Fred Macdonald | Son | — | 22 | ~1908 |
| Robert Macdonald | Son | — | 17 | ~1913 |
| Nellie Macdonald | Other | — | 42 | ~1888 |
Census Appearances
1930
Bergen, New …
Son, age 9
Bergen, New Jersey · implied b. ~1921 — 10 household members
| Surname | MacDonald |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Passaic-County, New …
Son, age 20
Passaic-County, New Jersey · implied b. ~1920 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson |
| 1935 Residence (County) | Passaic |
| Highest Grade | No 6 |
| 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 William Macdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Macdonald
Son · 1930 · age 9 · b. ~1921 · New Jersey
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Sibling
Catherine Macdonald
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Macdonald
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Macdonald
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Macdonald
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Macdonald
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Macdonald
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Macdonald
Sibling · 1930 · age 15
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 — Bergen, New Jersey
Open full size
1930 US Federal Census — Bergen, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1311:0597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Campbell | 31 | Wife-H | — | New Jersey |
| 2 | John J. Campbell | 7 | Son | — | New Jersey |
| 3 | Sultan Gadzoyan | 22 | Head | Bealer | New Jersey |
| 4 | Gyzella Gadzoyan | 21 | Sister-H | Book-Keeper | New Jersey |
| 5 | Jonah Halsted | 66 | Head | Carpenter | New Jersey |
| 6 | Anna D. Halsted | 59 | Wife-H | — | New Jersey |
| 7 | William Macdonald | 44 | Head | Laborer | New Jersey |
| 8 | Nellie Macdonald | 42 | Wife-H | — | New Jersey |
| 9 | Fred Macdonald | 22 | Son | Dyer | New Jersey |
| 10 | Robert Macdonald | 17 | Son | Finisher | New Jersey |
| 11 | Joseph Macdonald | 15 | Son | Finisher | New Jersey |
| 12 | Blanche Macdonald | 11 | Daughter | — | New Jersey |
| 13 | William Jr. Macdonald THIS PERSON | 9 | Son | — | New Jersey |
| 14 | Edith Macdonald | 7 | Daughter | — | New Jersey |
| 15 | Catherine Macdonald | 5 | Daughter | — | New Jersey |
| 16 | Dorothy Macdonald | 2 | Daughter | — | New Jersey |
| 17 | Joseph Casmo | 45 | Head | Dyer | Italy |
| 18 | Agnes Casmo | 22 | Wife-H | Dressmaker | Italy |
| 19 | Frank Costa | 28 | Head | Truck Driver | Italy |
| 20 | Catherine Costa | 31 | Wife-H | — | Italy |
| 21 | Concetta P. Costa | 12 | Son | — | Italy |
| 22 | Salvatore Costa | 6 | Son | — | Italy |
| 23 | Jessie A. Costa | 1 | Daughter | — | New Jersey |
| 24 | Louis Franco | 35 | Head | Dyer | Italy |
| 25 | Rose Franco | 34 | Wife-H | — | Italy |
| 26 | Albert Franco | 11 | Son | — | New Jersey |
| 27 | Josephine Franco | 8 | Daughter | — | New Jersey |
| 28 | Louis Franco | 4 | Son | — | New Jersey |
| 29 | Joseph Napoley | 39 | Head | Salesman | New York |
| 30 | Emma Napoley | 35 | Wife-H | — | New Jersey |
| 31 | Edward P. Napoley | 11 | Son | — | New Jersey |
| 32 | Arthur Martinelli | 57 | Head | Finisher | Italy |
| 33 | Sadie Martinelli | 46 | Wife-H | — | Italy |
| 34 | Andrew Martinelli | 24 | Son | Examiner | Pennsylvania |
| 35 | Nellie Martinelli | 22 | Daughter | Machine Work | Pennsylvania |
| 36 | Martin Martinelli | 21 | Son | Cylinder Shaper | Pennsylvania |
| 37 | James Martinelli | 17 | Son | Finisher | Pennsylvania |
| 38 | Lena Martinelli | 14 | Daughter | — | Pennsylvania |
| 39 | Albert Martinelli | 12 | Son | — | Pennsylvania |
| 40 | Evelyn Martinelli | 7 | Daughter | — | Pennsylvania |
| 41 | John Cornelia | 31 | Head | Shipping Clerk | New York |
| 42 | Susan Cornelia | 29 | Wife-H | Dressmaker | Italy |
| 43 | John Jr. Cornelia | 10 | Son | — | New Jersey |
| 44 | Thomas Condie | 47 | Head | Examiner | Scotland |
| 45 | Mary Condie | 43 | Wife-H | — | Scotland |
| 46 | Jacob Wapp | 75 | Head | — | Switzerland |
| 47 | Emma Wapp | 65 | Wife-H | — | Switzerland |
| 48 | Victoria Robillard | 50 | Head | — | England |
| 49 | Agnes Robillard | 30 | Daughter | — | England |
| 50 | John Robillard | 28 | Son | Dyer | England |
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)