JD
John Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this John Davis across the 1920, 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed), with identified parents Charles & Catherine — first a son (b.~1918), then head of a 5-person household.
Age 12
b. ~1918
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Davis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City City |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charles Davis | Head | — | 35 | ~1895 |
| William Davis | Son | — | 15 | ~1915 |
| Charles Davis | Son | — | 2 | ~1928 |
| John Davis | Son | — | 12 | ~1918 |
| Catherine Davis | Spouse | — | 38 | ~1892 |
Census Appearances
1920
Hudson, New …
Son, age 2
Hudson, New Jersey · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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
Hudson, New …
Son, age 12
Hudson, New Jersey · implied b. ~1918 — 5 household members
| Surname | Davis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 23
Hudson-County, New Jersey · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davies |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Shipping Clerk |
| Industry | Stove Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 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 Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Davies (~0.92 confidence) and mother Catherine Davies (~0.50 confidence) and father Charles Davis (~0.92 confidence) and father Charles Davis (~0.92 confidence) and mother Katherine Davis (~0.92 confidence) and mother Catherine Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.85
Father
Charles Davies
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Catherine Davies
b. ~1922
Source mother
● Household
· direct · ~0.5
Father
Charles Davis
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Charles Davis
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Katherine Davis
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Catherine Davis
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Davis
Son · 1930 · age 12 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
William Davis
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Davis
Sibling · 1930 · age 2
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
50 people indexed on this census page (ia:1930:newjerseycensus00reel1356:0280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma Mannhardt | 29 | Cousin | — | England |
| 52 | Bertha Lenzinger | 46 | Head | Dressmaker | Germany |
| 53 | Ewald Lenzinger | 25 | Son | — | New Jersey |
| 54 | Otto Lenzinger | 23 | Son | Stock Clerk | New Jersey |
| 55 | Edward Lenzinger | 22 | Son | Clerk | New Jersey |
| 56 | Henry Lenzinger | 19 | Son | Book Keeper | New Jersey |
| 57 | Bertha Lenzinger | 6 | Daughter | Stenographer | New Jersey |
| 58 | Frank Neumann | 42 | Boarder | Iron Worker | Germany |
| 59 | Margaret Humbert | 60 | Head | Partner | New York |
| 60 | Edna Oasley | 23 | Granddaughter | Partner | New York |
| 61 | Peter Brown | 50 | Head | Laborer | New York |
| 62 | Annie Brown | 54 | Wife | None | Irish Free State |
| 63 | Anna Brown | 18 | Daughter | Stenographer | New York |
| 64 | Peter Brown | 16 | Son | None | New York |
| 65 | Charles Davis | 35 | Head | Chauffeur | New Jersey |
| 66 | Catherine Davis | 38 | Wife | None | New Jersey |
| 67 | William Davis | 15 | Son | None | New Jersey |
| 68 | John Davis THIS PERSON | 12 | Son | None | New Jersey |
| 69 | Charles Davis | 2 | Son | None | New Jersey |
| 70 | Joseph Ostuni | 34 | Head | Plasterer | Italy |
| 71 | Anna Ostuni | 23 | Wife | None | New Jersey |
| 72 | Frank Schulz | 51 | Head | Iron Worker | Germany |
| 73 | Elizabeth Schulz | 41 | Wife | None | Germany |
| 74 | Emma Schulz | 3 | Daughter | None | New Jersey |
| 75 | Truda Goatz | 16 | Stepdaughter | Stenographer | New Jersey |
| 76 | Ernst Westward | 70 | Lodger | Helper | Germany |
| 77 | Ivory Barnes | 30 | Head | Wrapper | Virginia |
| 78 | Anna Barnes | 26 | Wife | None | New Jersey |
| 79 | George Barnes | 7 | Son | None | New Jersey |
| 80 | Gladys Barnes | 5 | Daughter | None | New Jersey |
| 81 | Anna Barnes | 2 | Daughter | None | New Jersey |
| 82 | Emily Steen | 62 | Mother-in-law | None | Germany |
| 83 | Jiragos Dizheghian | 65 | Head | Tailor | Armenia |
| 84 | Surpouhi Dizheghian | 61 | Wife | None | Armenia |
| 85 | John P. Nissen | 40 | Head | Manager | New Jersey |
| 86 | Dorothy Nissen | 38 | Wife | None | New Jersey |
| 87 | Dorothy Nissen | 14 | Daughter | None | New Jersey |
| 88 | Evelyn Nissen | 13 | Daughter | None | New Jersey |
| 89 | Henry Maltheist | 41 | Head | Manager | Germany |
| 90 | Minnie Maltheist | 46 | Wife | None | New Jersey |
| 91 | Vivienne Maltheist | 11 | Daughter | None | New Jersey |
| 92 | Charles Wrede | 34 | Head | Foreman | Germany |
| 93 | Violet Wrede | 27 | Wife | None | New Jersey |
| 94 | Henry Ennis | 36 | Head | Proprietor | New Jersey |
| 95 | George Ennis | 34 | Brother | Clerk | New Jersey |
| 96 | Alfred F. Ennis | 33 | Brother | Proprietor | New Jersey |
| 97 | Lulu M. Ennis | 29 | Sister | None | New Jersey |
| 98 | Pansy E. Ennis | 26 | Sister | Teacher | New Jersey |
| 99 | Frank Brocchi | 48 | Head | Proprietor | Italy |
| 100 | Iginia Brocchi | 47 | Wife | None | Italy |
Pedigree Summary
John + 2 siblings
Gen 1 · 6 parents
~0.85
Max depth 4 (1900–1950 window)
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)