JC
John Clarke — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this John Clarke across the 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 6-person household.
Age 9
b. ~1921
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Clarke |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Age at First Marriage | 9 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | West New York |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Clarke | Son | — | 9 | ~1921 |
| Hugh Clarke | Head | — | 37 | ~1893 |
| James Clarke | Son | — | 1 | ~1929 |
| Thomas Clarke | Son | — | 7 | ~1923 |
| Marian Clarke | Daughter | — | 5 | ~1925 |
| Catherine Clarke | Spouse | — | 37 | ~1893 |
Census Appearances
1930
Hudson, New …
Son, age 9
Hudson, New Jersey · implied b. ~1921 — 6 household members
| Surname | Clarke |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Age at First Marriage | 9 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 20
Hudson-County, New Jersey · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hoboken City |
| 1935 Residence (County) | Hudson |
| Occupation | New worker |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same house |
| 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 John Clarke across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Clarke
Son · 1930 · age 9 · b. ~1921 · New Jersey
★ You are viewing this record
Sibling
Marian Clarke
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Clarke
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Clarke
Sibling · 1930 · age 1
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 — Hudson, New Jersey
Open full size
1930 US Federal Census — Hudson, New Jersey
Page Contents
49 people indexed on this census page (ia:1930:newjerseycensus00reel1360:1043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Jr. Caroll | 5 | Son | — | New Jersey |
| 52 | James Caroll | 4 | Son | — | New Jersey |
| 53 | Thomas Caroll | 3 | Son | — | New Jersey |
| 54 | Joseph Caroll | 1 | Son | — | New Jersey |
| 55 | Margaret Looney | 48 | Head | — | New York |
| 56 | Joseph J. Looney | 34 | Son | — | New York |
| 57 | Robert Looney | 15 | Son | Accountant | New Jersey |
| 58 | Federico Durante | 38 | Head | Tailor | Italy |
| 59 | Ada Durante | 36 | Wife | — | Italy |
| 60 | Ludovico Durante | 18 | Son | — | New Jersey |
| 61 | Serapico Durante | 66 | Brother | — | Italy |
| 62 | Adolph Schmidt | 55 | Head | Cook | Austria |
| 63 | Matilda Schmidt | 53 | Wife | — | Austria |
| 64 | Alphonse Schmidt | 11 | Son | — | New Jersey |
| 65 | Irene Schmidt | 24 | Daughter | Hair Dresser | New Jersey |
| 66 | Erma Schmidt | 23 | Daughter | Hair Dresser | New Jersey |
| 67 | William Frank | 36 | Head | File Clerk | New Jersey |
| 68 | Eugenia Frank | 32 | Wife | — | New Jersey |
| 69 | Frieda Frank | 64 | Head | — | Germany |
| 70 | Elizabeth Bonert | 38 | Daughter | — | New Jersey |
| 71 | Otto Bonert | 34 | Son-in-law | Embroidering | Switzerland |
| 72 | Betty Bonert | 5 | Granddaughter | — | New Jersey |
| 73 | Thomas Murphy | 56 | Head | Janitor | Ireland |
| 74 | Theresa Murphy | 58 | Wife | — | Ireland |
| 75 | George Murphy | 25 | Son | Printer | New York |
| 76 | Marion Murphy | 23 | Daughter | Binder | New York |
| 77 | Daniel Tussner | 50 | Head | Electrician | New York |
| 78 | Mary Tussner | 48 | Wife | — | Switzerland |
| 79 | Fredrick Tussner | 26 | Son | Driver | New Jersey |
| 80 | Nora Tussner | 23 | Daughter-in-law | — | New York |
| 81 | Joan Tussner | 0 | Granddaughter | — | New Jersey |
| 82 | Peter Roelin | 42 | Head | Inspector | New Jersey |
| 83 | Emily Roelin | 38 | Wife | — | Austria |
| 84 | Harriet Roelin | 12 | Daughter | — | New Jersey |
| 85 | John Jr. Roelin | 10 | Son | — | New Jersey |
| 86 | Hugh Clarke | 37 | Head | Clerk | New Jersey |
| 87 | Catherine Clarke | 37 | Wife | — | New York |
| 88 | John Clarke THIS PERSON | 9 | Son | — | New Jersey |
| 89 | Thomas Clarke | 7 | Son | — | New Jersey |
| 90 | Marian Clarke | 5 | Daughter | — | New Jersey |
| 91 | James Clarke | 1 | Son | — | New Jersey |
| 92 | Joseph Smith | 52 | Head | Cooper | New York |
| 93 | Catherine Smith | 47 | Wife | — | New York |
| 94 | John Smith | 21 | Son | Clerk | New York |
| 95 | Margaret Smith | 19 | Daughter | Operator | New York |
| 96 | Joseph Patrick Smith | 15 | Son | — | New York |
| 97 | Michael Torsello | 29 | Head | Deckhand | New Jersey |
| 98 | Jennie Torsello | 23 | Wife | Turner | New York |
| 99 | Ralph Torsello | 3 | 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)