WD
William Donnelly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this William Donnelly across the 1920 and 1930 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 9-person household.
Age 46
b. ~1884
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Donnelly |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 32 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Electrician |
| Industry | Electrical Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Electrician |
| Township / Ward | Newark City |
| Est. Birth Year | ~1884 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Paul Donnelly | Son | — | 5 | ~1925 |
| William Donnelly | Son | — | 8 | ~1922 |
| Catherine Donnelly | Other | — | 48 | ~1882 |
| Edmund Donnelly | Son | — | 7 | ~1923 |
| Margaret Donnelly | Spouse | — | 42 | ~1888 |
| Robert Donnelly | Son | — | 10 | ~1920 |
| Elizabeth Mccarry | Other | — | 50 | ~1880 |
| William Donnelly | Head | — | 46 | ~1884 |
| Walter Donnelly | Son | — | 12 | ~1918 |
Census Appearances
1920
Essex, New …
Head, age 35
Essex, New Jersey · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | William J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Electrician |
| Industry | Navy Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1905 |
| Birthplace (normalized) | ireland |
1930
Essex, New …
Head, age 46
Essex, New Jersey · implied b. ~1884 — 9 household members
| Surname | Donnelly |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 32 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Electrician |
| Industry | Electrical Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Donnelly across 2 US Census years (1920 and 1930) in Essex, New Jersey, using XGBoost record linkage.
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This person
Anchor record
William Donnelly
Head · 1930 · age 46 · b. ~1884 · New Jersey
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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
50 people indexed on this census page (ia:1930:newjerseycensus00reel1339:0809)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Augusta Coakley | 31 | Wife | None | New Jersey |
| 2 | Bruce J. Coakley | 3 | Son | None | New Jersey |
| 3 | Betty J. Coakley | 2 | Daughter | None | New Jersey |
| 4 | Louis Trombetta | 62 | Head | Shoe Maker | Italy |
| 5 | Agnes Trombetta | 52 | Wife | None | Italy |
| 6 | Anna Trombetta | 18 | Daughter | Waitress | New York |
| 7 | Alfred Trombetta | 16 | Son | Errand Boy | New York |
| 8 | Edith Trombetta | 12 | Daughter | None | New York |
| 9 | Pearl Matiello | 15 | Niece | None | New York |
| 10 | Owen Murray | 29 | Head | Car Brake Helper | Northern Ireland |
| 11 | Mary Murray | 29 | Wife | None | Irish Free State |
| 12 | Owen Jr. Murray | 2 | Son | None | New Jersey |
| 13 | Mary Murray | 0 | Daughter | None | New Jersey |
| 14 | John Lee | 10 | Nephew | None | Massachusetts |
| 15 | Paul Lee | 8 | Nephew | None | New Jersey |
| 16 | John G. Schmattern | 38 | Head | Machinist | New Jersey |
| 17 | Josephine Schmattern | 30 | Wife | None | New Jersey |
| 18 | Schmattern | 1 | Son | None | New Jersey |
| 19 | Schmattern | 0 | Son | None | New Jersey |
| 20 | Joseph Gionando | 30 | Head | Stone Cutter | Italy |
| 21 | Mary Gionando | 25 | Wife | None | New Jersey |
| 22 | John Marinelli | 60 | Head | Proprietor | Italy |
| 23 | Annie Marinelli | 50 | Wife | None | Italy |
| 24 | Benjamin Marinelli | 24 | Son | None | New Jersey |
| 25 | Henry C. Rudolph | 85 | Head | None | Germany |
| 26 | Rose Rudolph | 50 | Daughter | Machine Feeder | New York |
| 27 | Henrietta Rudolph | 46 | Daughter | Machine Feeder | New York |
| 28 | William F. Donnelly THIS PERSON | 46 | Head | Electrician | Ireland |
| 29 | Margaret A. Donnelly | 42 | Wife | None | New Jersey |
| 30 | Walter C. Donnelly | 12 | Son | None | New Jersey |
| 31 | Robert E. Donnelly | 10 | Son | None | New Jersey |
| 32 | William Jr. Donnelly | 8 | Son | None | New Jersey |
| 33 | Edmund B. Donnelly | 7 | Son | None | New Jersey |
| 34 | Paul Donnelly | 5 | Son | None | New Jersey |
| 35 | Catherine Donnelly | 48 | Sister | Seamstress | Ireland |
| 36 | Elizabeth Mccarry | 50 | Lodger | Matron | Ireland |
| 37 | Ernest C. Ely | 33 | Head | Salesman | New Jersey |
| 38 | Jessie Ely | 33 | Wife | None | England |
| 39 | Ernest G. Ely | 10 | Son | None | New Jersey |
| 40 | Robert Arndt | 6 | Boarder | None | New Jersey |
| 41 | Charles G. Hahn | 61 | Head | Proprietor | New Jersey |
| 42 | Caroline E. Hahn | 54 | Wife | None | New Jersey |
| 43 | Ruth Hahn | 32 | Daughter | Teacher | New Jersey |
| 44 | Casper Degler | 48 | Head | Fireman | New Jersey |
| 45 | Julia Degler | 42 | Wife | None | New Jersey |
| 46 | Casper Jr. Degler | 24 | Son | Machinist Apprentice | New Jersey |
| 47 | Frank E. Degler | 22 | Son | Drafts Helper | New Jersey |
| 48 | Norman J. Degler | 9 | Son | None | New Jersey |
| 49 | William B. Degler | 3 | Son | None | New Jersey |
| 50 | Douglas E. Woodworth | 34 | Lodger | Settlement Officer | Nova Scotia |
Related Census Records
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)