JD
James Donnelly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Union, New Jersey
Our Model Tree links this James Donnelly across the 1930 and 1940 US Censuses in Union, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 14-person household.
Age 3
b. ~1927
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Union, New Jersey |
| Surname | Donnelly |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Elizabeth City |
| Est. Birth Year | ~1927 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Katherine Donnelly | Daughter | — | 15 | ~1915 |
| Margaret Enright | Other | — | 9 | ~1921 |
| James Donnelly | Son | — | 3 | ~1927 |
| Robert Donnelly | Son | — | 20 | ~1910 |
| John Donnelly | Son | — | 18 | ~1912 |
| John Donnelly | Other | — | 45 | ~1885 |
| Helen Enright | Other | — | 19 | ~1911 |
| Margaret Donnelly | Spouse | — | 52 | ~1878 |
| John Donnelly | Head | — | 59 | ~1871 |
| Helen Enright | Daughter | — | 27 | ~1903 |
| Margaret Donnelly | Daughter | — | 28 | ~1902 |
| Rose Donnelly | Daughter | — | 26 | ~1904 |
| Patrick Donnelly | Other | — | 56 | ~1874 |
| Edward Enright | Other | — | 37 | ~1893 |
Census Appearances
1930
Union, New …
Son, age 3
Union, New Jersey · implied b. ~1927 — 14 household members
| Surname | Donnelly |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | Irish Free State |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 14
Union-County, New Jersey · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth City |
| 1935 Residence (County) | Union |
| Highest Grade | G 8 |
| 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 James Donnelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Donnelly
Son · 1930 · age 3 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
John Donnelly
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Donnelly
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Donnelly
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Enright
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Donnelly
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Donnelly
Sibling · 1930 · age 20
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 — Union, New Jersey
Open full size
1930 US Federal Census — Union, New Jersey
Page Contents
49 people indexed on this census page (ia:1930:newjerseycensus00reel1387:0260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Chase | 63 | Head | House Keeper | Connecticut |
| 2 | Charles Rogers | 42 | Brother | Superintendent | New York |
| 3 | Charles H. Barker | 31 | Lodger | Laborer | Pennsylvania |
| 4 | James N. Purdy | 38 | Head | Chauffeur | New Jersey |
| 5 | Minerva Purdy | 34 | Wife | — | New York |
| 6 | Dorothy Purdy | 11 | Daughter | — | New Jersey |
| 7 | Alice Purdy | 9 | Daughter | — | New Jersey |
| 8 | Robert Purdy | 5 | Son | — | New Jersey |
| 9 | Miriam Purdy | 1 | Daughter | — | New Jersey |
| 10 | Augusta Quell | 62 | Mother-in-law | — | Germany-Saxony |
| 11 | George Quell | 58 | Brother-in-law | Laborer | Germany-Saxony |
| 12 | John Fairchild | 44 | Roomer | Laborer | Czechoslovakia |
| 13 | Beatrice Shields | 35 | Head | House Keeper | Georgia |
| 14 | Winifred Shields | 12 | Daughter | — | New Jersey |
| 15 | Walter Shields | 8 | Son | — | New Jersey |
| 16 | Richard Shields | 4 | Son | — | New Jersey |
| 17 | Karl Hornbacher | 29 | Roomer | Waiter | Germany-Berlin |
| 18 | Hans Busch | 29 | Roomer | Waiter | Germany-Berlin |
| 19 | Henry Kopidake | 20 | Roomer | Waiter | Germany-Berlin |
| 20 | Joseph A. Dillon | 34 | Head | Meter Tester | New Jersey |
| 21 | Clara Dillon | 31 | Wife | — | Wisconsin |
| 22 | Donald Dillon | 8 | Son | — | New York |
| 23 | Dillon | 3 | Daughter | — | New Jersey |
| 24 | Stephen Tines | 59 | Roomer | Tanner | Hungary |
| 25 | William Wilson | 53 | Head | Bookkeeper | Scotland |
| 26 | Williamina Wilson | 50 | Wife | — | Scotland |
| 27 | James A. Wilson | 22 | Son | Clerk | Scotland |
| 28 | William H. Wilson | 16 | Son | Operator | Scotland |
| 29 | Thomas W. O'Brien | 54 | Roomer | Commercial Traveler | New York |
| 30 | Frank Andenlewing | 25 | Roomer | Bell Boy | Pennsylvania |
| 31 | Catherine Andenlewing | 28 | Roomer | Waitress | Poland |
| 32 | Harold W. Kegan | 62 | Head | Inspector | New Jersey |
| 33 | Marguerite A. Kegan | 49 | Wife | — | Connecticut |
| 34 | Harold F. Kegan | 24 | Son | Salesman | New Jersey |
| 35 | Grover Lott | 30 | Roomer | Motorman | New Jersey |
| 36 | John H. Donnelly | 59 | Head | — | England |
| 37 | Margaret Donnelly | 52 | Wife | House Keeper | Irish Free State |
| 38 | Patrick J. Donnelly | 56 | Brother | Laborer | Irish Free State |
| 39 | Margaret Donnelly | 28 | Daughter | — | New Jersey |
| 40 | James J. Donnelly THIS PERSON | 3 | Son | — | New Jersey |
| 41 | Helen Enright | 27 | Daughter | — | New Jersey |
| 42 | Rose Donnelly | 26 | Daughter | Stenographer | New Jersey |
| 43 | Robert Donnelly | 20 | Son | Laborer | New Jersey |
| 44 | John P. Donnelly | 18 | Son | Chief Clerk | New Jersey |
| 45 | Katherine G. Donnelly | 15 | Daughter | — | New Jersey |
| 46 | Margaret F. Enright | 9 | Granddaughter | — | New Jersey |
| 47 | John Donnelly | 45 | Roomer | Machinist | Pennsylvania |
| 48 | Edward Enright | 37 | Roomer | Laborer | Irish Free State |
| 49 | Helen Enright | 19 | Roomer | Waitress | New Jersey |
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)