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Joseph Knight — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Union, New Jersey
Our Model Tree links this Joseph Knight across the 1920 and 1930 US Censuses in Union, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 7-person household.
Age 17
b. ~1913
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Union, New Jersey |
| Surname | Knight |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| 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 | Roselle Borough Part |
| Est. Birth Year | ~1913 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Marie Knight | Spouse | — | 41 | ~1889 |
| Harold Knight | Son | — | 18 | ~1912 |
| Frederick Knight | Son | — | 22 | ~1908 |
| George Knight | Son | — | 12 | ~1918 |
| Joseph Knight | Son | — | 17 | ~1913 |
| Frederick Knight | Head | — | 45 | ~1885 |
| Dorothy Knight | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Union, New …
Son, age 6
Union, New Jersey · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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 |
1930
Union, New …
Son, age 17
Union, New Jersey · implied b. ~1913 — 7 household members
| Surname | Knight |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| 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 Joseph Knight across 2 US Census years (1920 and 1930) in Union, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Knight
Son · 1930 · age 17 · b. ~1913 · New Jersey
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Sibling
Frederick Knight
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Knight
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Knight
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Knight
Sibling · 1930 · age 9
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
50 people indexed on this census page (ia:1930:newjerseycensus00reel1389:0654)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alexander Dolgos | 53 | Head | Blacksmith | Austria-Hungry |
| 2 | Elizabeth Dolgos | 49 | Wife | — | Austria-Hungry |
| 3 | Alex Dolgos | 22 | Son | Mechanic Helper | New Jersey |
| 4 | Albert Dolgos | 20 | Son | Riveter | New Jersey |
| 5 | Helen Dolgos | 8 | Daughter | — | New Jersey |
| 6 | Thomas Mcdonnell | 49 | Head | Postmaster | New York |
| 7 | Marcella Mcdonnell | 48 | Wife | — | New Jersey |
| 8 | Thomas Mcdonnell | 19 | Son | Electrician App | New Jersey |
| 9 | Howard Mcdonnell | 13 | Son | — | New Jersey |
| 10 | Lillian Mcdonnell | 9 | Daughter | — | New Jersey |
| 11 | Charles Perlman | 39 | Head | Carpenter | Russia |
| 12 | Rose Perlman | 38 | Wife | — | Connecticut |
| 13 | Morton Perlman | 10 | Son | — | New York |
| 14 | Etta Perlman | 7 | Daughter | — | New Jersey |
| 15 | George Davis | 34 | Head | Conductor | Virginia |
| 16 | Rebecca Davis | 30 | Wife | — | South Carolina |
| 17 | Charles Davis | 9 | Son | — | South Carolina |
| 18 | Thomas Davis | 7 | Son | — | New Jersey |
| 19 | Anthony Anderson | 34 | Head | Foreman | South Carolina |
| 20 | Lula Anderson | 27 | Wife | — | South Carolina |
| 21 | George Anderson | 9 | Son | — | South Carolina |
| 22 | Thelma Anderson | 7 | Daughter | — | South Carolina |
| 23 | James Crockett | 24 | Head | Laborer | South Carolina |
| 24 | Fannie Crockett | 23 | Wife | — | South Carolina |
| 25 | Rosa Mcdarin | 30 | Head | — | Virginia |
| 26 | Linna Mcdarin | 15 | Daughter | — | South Carolina |
| 27 | Lucia Mcdarin | 13 | Son | — | South Carolina |
| 28 | James Mcdarin | 8 | Son | — | South Carolina |
| 29 | Moses Mcdarin | 4 | Son | — | New Jersey |
| 30 | Joseph Mcdarin | 2 | Son | — | New Jersey |
| 31 | Isabella Near | 47 | Head | Cook | North Carolina |
| 32 | Frederick Knight | 45 | Head | Steam-Fitter | New Jersey |
| 33 | Marie Knight | 41 | Wife | — | New Jersey |
| 34 | Frederick Jr. Knight | 22 | Son | Chauffeur | New Jersey |
| 35 | Harold Knight | 18 | Son | Metal Worker | New Jersey |
| 36 | Joseph Knight THIS PERSON | 17 | Son | — | New Jersey |
| 37 | George Knight | 12 | Son | — | New Jersey |
| 38 | Dorothy Knight | 9 | Daughter | — | New Jersey |
| 39 | Stephen Negri | 51 | Head | Blacksmith | Hungary |
| 40 | Emma Negri | 37 | Wife | — | Hungary |
| 41 | Stephen Jr. Negri | 11 | Son | — | New Jersey |
| 42 | Julia Negri | 9 | Daughter | — | New Jersey |
| 43 | Sam Jacob | 51 | Head | Ice Man | Russia |
| 44 | Betty Jacob | 49 | Wife | — | Russia |
| 45 | Louis Jacob | 23 | Son | Mason | New York |
| 46 | Morris Jacob | 21 | Son | Mason | New York |
| 47 | Peter Jacob | 19 | Son | Helper | New York |
| 48 | Harry Jacob | 28 | Son | Cleaner | New York |
| 49 | Laura Jacob | 23 | Daughter-in-law | — | Russia |
| 50 | Arnold Jacob | 1 | Son | — | 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)