JF
John French — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John French across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | French |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen French | Daughter | — | 20 | ~1920 |
| John French | Son | — | 22 | ~1918 |
| Gordon French | Son | — | 18 | ~1922 |
| Gerald French | Son | — | 16 | ~1924 |
| Silvester French | Son | — | 14 | ~1926 |
| Marie French | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Los Angeles, …
Son, age 11
Los Angeles, California · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | John Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Colorado |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 22
Los-Angeles-County, California · implied b. ~1918 — 6 household members
| Surname | French |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | California |
| 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 French across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John French
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
Silvester French
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen French
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon French
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald French
Sibling · 1940 · age 16
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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00416-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie French | 47 | Wife | — | California |
| 2 | John Jr. French THIS PERSON | 22 | Son | — | California |
| 3 | Helen French | 20 | Daughter | — | California |
| 4 | Gordon French | 18 | Son | — | California |
| 5 | Gerald French | 16 | Son | — | California |
| 6 | Silvester French | 14 | Son | — | California |
| 8 | Cornelia Smith | 63 | Head | — | Arkansas |
| 9 | Ardella Woods | 60 | Maid | Maid | Arkansas |
| 10 | John Garner | 41 | Head | Insurance | Pennsylvania |
| 11 | Celest Garner | 43 | Wife | — | Massachusetts |
| 12 | Fred Garner | 23 | Son | — | California |
| 13 | Virginia Harrington | 27 | Maid | Maid | North Carolina |
| 14 | Philip Swart | 75 | Head | Caretaker | New York |
| 15 | Lillian S. Duncan | 65 | Housekeeper | Housekeeper | New York |
| 16 | Florence Waterman | 52 | Head | — | Michigan |
| 17 | Munro Manning | 38 | Nephew | Salesman | Washington |
| 18 | Alfred J. Scott | 58 | Head | Medical Doctor | Michigan |
| 19 | Loretta Scott | 56 | Wife | — | California |
| 20 | Alfred Jr. Scott | 23 | Son | — | California |
| 22 | Ellen Giltner | 66 | Head | — | Iowa |
| 23 | Hubert Giltner | 35 | Son | Salesman | Idaho |
| 24 | Bernard Giltner | 27 | Son | Clerk | Idaho |
| 25 | Ellen Giltner | 26 | Daughter | Cashier | Idaho |
| 26 | Catherine Conway | 27 | Niece | Stenographer | Philadelphia |
| 27 | Sammina Norgaard | 33 | Lodger | Clerk | North Dakota |
| 28 | Lillie Lacy | 37 | Head | Salesman | Texas |
| 29 | Mattie Lacy | 60 | Mother | — | Arkansas |
| 30 | Elizabeth Lacy | 29 | Sister | Estimator | Texas |
| 31 | Gussie Morrison | 65 | Head | — | Illinois |
| 32 | Ruth V. Morrison | 35 | Daughter | Secretary | Los Angeles |
| 33 | Josephine Vollrath | 70 | Head | — | New York |
| 34 | L. L. Riner | 40 | Head | Salesman | Illinois |
| 35 | Mildred Riner | 43 | Wife | — | California |
| 36 | Patricia Riner | 5 | Daughter | — | California |
| 37 | Jeremy Riner | 3 | Daughter | — | California |
| 38 | Caroline Squire | 72 | Mother-in-law | — | California |
| 39 | Ella V. Dunn | 53 | Head | — | Massachusetts |
| 40 | Lucilla M. Hodges | 25 | Lodger | Payroll Clerk | Arizona |
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)