JY
John York — 1940 US Census Record
Model Tree available1940 United States Federal Census · Napa-County, California
Our Model Tree links this John York across the 1920, 1930 and 1940 US Censuses in Napa-County, California (XGBoost, ~Confirmed), with identified parents John & Ira — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Napa-County, California |
| Surname | York |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Napa city |
| 1935 Residence (County) | Napa |
| Additional Details | |
| Occupation | clerk |
| Industry | retail shoe store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1651 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | Napa City |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| David York | Son | — | 22 | ~1918 |
| Lura York | Head | — | 61 | ~1879 |
| John York | Son | — | 30 | ~1910 |
| Eleanor King | Other | — | 58 | ~1882 |
| William Buehler | Other | — | 53 | ~1887 |
Census Appearances
1920
Napa, California
Son, age 10
Napa, California · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | York |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Napa, California
Son, age 20
Napa, California · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | York |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Salesman |
| Industry | Shoe Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Napa-County, California
Son, age 30
Napa-County, California · implied b. ~1910 — 5 household members
| Surname | York |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Napa city |
| 1935 Residence (County) | Napa |
| Occupation | clerk |
| Industry | retail shoe store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1651 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 York across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John York (~0.92 confidence) and father Ira York (~0.92 confidence) and mother Lura York (~0.92 confidence) and mother Lena York (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John York
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Ira York
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lura York
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Lena York
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John York
Son · 1940 · age 30 · b. ~1910 · California
★ You are viewing this record
Sibling
David York
Sibling · 1940 · age 22
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
1940 US Federal Census — Napa-County, California
Open full size
1940 US Federal Census — Napa-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00269-00163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Thompson | 37 | Head | Butcher | California |
| 2 | Luella B. Thompson | 23 | Wife | — | California |
| 3 | Robert Thompson | 2 | Son | — | California |
| 4 | Anna Vielguth | 49 | Head | — | California |
| 5 | Vincent Raymond | 42 | Head | Store Keeper | Minnesota |
| 6 | Helen Raymond | 40 | Wife | — | Nebraska |
| 7 | William Hoffmeier | 82 | Head | — | Germany |
| 8 | Mary E. Hoffmeier | 68 | Wife | — | California |
| 9 | William J. Hoffmeier | 36 | Son | Laborer | California |
| 10 | Virginia Arnduff | 70 | Sister-in-law | — | California |
| 11 | Charles Clutton | 64 | Head | Store Proprietor | Middle West |
| 12 | Callie Clutton | 55 | Wife | Store Proprietor | Washington |
| 13 | Henry Harris | 36 | Head | Pipe Fitter | Texas |
| 14 | Doris Harris | 33 | Wife | Sales Lady | Texas |
| 15 | Mary Graff | 64 | Head | Machine Operator | Illinois |
| 16 | Martin Burnell | 59 | Head | Leading Man | California |
| 17 | Bertha Burnell | 60 | Wife | — | California |
| 18 | Louis Brazzi | 33 | Head | Crane Operator | Switzerland |
| 19 | Natalia Brazzi | 22 | Wife | Machine Operator | Italy |
| 20 | Conrad Vandershoot | 21 | Head | Mechanic | California |
| 21 | Freida Vandershoot | 21 | Wife | Press Feeder | California |
| 22 | Rufus Clardy | 23 | Head | Salesman | Illinois |
| 23 | Emma Clardy | 27 | Wife | Clerk | S. Dakota |
| 24 | Vernon Reynolds | 40 | Head | Tanner | California |
| 25 | Violet Reynolds | 33 | Wife | Clerk | California |
| 26 | Isaac Goetze | 76 | Head | — | Germany |
| 27 | Edwin Davis | 80 | Head | — | Mississippi |
| 28 | Edna Davis | 59 | Wife | — | California |
| 29 | George Blade | 67 | Head | Custodian | California |
| 30 | Lillian Blade | 67 | Wife | — | California |
| 31 | Helen Hansen | 67 | Head | Laundress | Denmark |
| 32 | William Hansen | 54 | Son | Pipe Fitter | California |
| 33 | Ralph Rowe | 65 | Head | Gardener | California |
| 34 | Peter Biava | 31 | Head | Pipe Fitter | New Mexico |
| 35 | Vivian Biava | 28 | Wife | Clerk | California |
| 36 | Lura York | 61 | Head | — | California |
| 37 | John W. York THIS PERSON | 30 | Son | Clerk | California |
| 38 | David O. York | 22 | Son | Book Keeper | California |
| 39 | Eleanor King | 58 | Sister | Book Keeper | California |
| 40 | William Buehler | 53 | Boarder | Dentist | — |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)