JH
John Hays — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Hays across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Hays |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Carpet Mechanic |
| Industry | Whsle. Carpet House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Carpet Mechanic |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1898 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Hays | Son | — | 5 | ~1935 |
| Virginia Hays | Daughter | — | 11 | ~1929 |
| Helen Hays | Daughter | — | 12 | ~1928 |
| Marguerite Hays | Daughter | — | 16 | ~1924 |
| John Hays | Head | — | 42 | ~1898 |
| Marguerite Hays | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Los Angeles, …
Head, age 32
Los Angeles, California · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hays |
| Given Name | J C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 25 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Retail Route |
| Industry | Dairy |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Los-Angeles-County, California
Head, age 42
Los-Angeles-County, California · implied b. ~1898 — 6 household members
| Surname | Hays |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Carpet Mechanic |
| Industry | Whsle. Carpet House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Hays across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hays
Head · 1940 · age 42 · b. ~1898 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00422-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melton Berg | 43 | Head | Proprietor | Minnesota |
| 2 | Grace Berg | 43 | Wife | Office Clerk | Utah |
| 3 | John F. Hays THIS PERSON | 42 | Head | Carpet Mechanic | Utah |
| 4 | Marguerite Hays | 42 | Wife | — | Utah |
| 5 | Marguerite M. Hays | 16 | Daughter | — | California |
| 6 | Helen J. Hays | 12 | Daughter | — | California |
| 7 | Virginia L. Hays | 11 | Daughter | — | California |
| 8 | John R. Hays | 5 | Son | — | California |
| 9 | Albert Spear | 52 | Head | Salesman | Alabama |
| 10 | Minnie Spear | 54 | Wife | — | Pennsylvania |
| 11 | Gladys Spear | 18 | Daughter | — | California |
| 12 | James Spear | 16 | Son | — | California |
| 13 | Joseph H. Feyerstah | 65 | Head | Stock Clerk | Belgium |
| 14 | Alma Feyerstah | 61 | Wife | — | Illinois |
| 15 | Maida Jones | 56 | Head | — | Illinois |
| 16 | F. R. Hendrickx | 57 | Head | Safety Engineer | Michigan |
| 17 | Eva B. Hendrickx | 46 | Wife | — | Illinois |
| 18 | Valerie Jane Hendrickx | 14 | Daughter | — | California |
| 19 | Vivian B. Bremer | 29 | Step-daughter | Stenographer | California |
| 20 | Vinnie B. Burrow | 69 | Mother-in-law | — | Illinois |
| 21 | Jack Smith | 34 | Head | Trouble Shooter | California |
| 22 | Audrey Smith | 33 | Wife | — | Utah |
| 23 | Jacqueline Smith | 15 | Daughter | — | California |
| 24 | Verna R. Smith | 11 | Daughter | — | California |
| 25 | Sonia Smith | 9 | Daughter | — | California |
| 26 | John J. Mcneill | 36 | Head | Proprietor | Oklahoma |
| 27 | Helen B. Mcneill | 34 | Wife | — | Iowa |
| 28 | Helen F. Mcneill | 2 | Daughter | — | California |
| 29 | Jean Mcneill | 0 | Daughter | — | California |
| 30 | John C. Griesemer | 79 | Head | — | Missouri |
| 31 | Katie Griesemer | 80 | Wife | — | Illinois |
| 32 | Mabel Erickson | 28 | Head | Registered Nurse | Washington |
| 33 | Philip C. Bowers | 31 | Head | Salesman | California |
| 34 | Eleanor Bowers | 28 | Wife | — | Minnesota |
| 35 | Lester Fortune | 29 | Head | Conductor | Ohio |
| 36 | Ann Fortune | 27 | Wife | — | California |
| 37 | Annette Fortune | 6 | Daughter | — | California |
| 38 | Earl Fortune | 3 | Son | — | California |
| 39 | Hazel Thomas | 23 | Sister-in-law | Walnut Picker | Arizona |
| 40 | James Thomas | 3 | Nephew | — | California |
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)