JF
Joseph Fox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Joseph Fox across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Joseph & Anna — first a head (b.~1906), then head of a 5-person household.
Age 34
b. ~1906
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Fox |
| Given Name | Joseph J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Architect |
| Industry | Building Industry |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 840 |
| Highest Grade | H 4 |
| 1935 Residence | California |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Architect |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1906 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Eugenie Fox | Spouse | — | 31 | ~1909 |
| Joseph Fox | Head | — | 34 | ~1906 |
| Joseph Fox | Son | — | 3 | ~1937 |
| C Fox | Daughter | — | 8 | ~1932 |
| Carol Fox | Daughter | — | 9 | ~1931 |
Census Appearances
1920
Los Angeles, …
Son, age 13
Los Angeles, California · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Joseph Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Los Angeles, …
Son, age 23
Los Angeles, California · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Joseph Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Pennsylvania |
| Occupation | Architect |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Los-Angeles-County, California
Head, age 34
Los-Angeles-County, California · implied b. ~1906 — 5 household members
| Surname | Fox |
| Given Name | Joseph J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | Architect |
| Industry | Building Industry |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 840 |
| Highest Grade | H 4 |
| 1935 Residence | California |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Joseph Fox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Fox (~0.92 confidence) and mother Anna Fox (~0.92 confidence) and mother Emma Fox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Fox
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Anna Fox
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Emma Fox
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Fox
Head · 1940 · age 34 · b. ~1906 · 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-t0627-00258-00769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martin J. Kiergaard | 44 | Head | Appraiser | Denmark |
| 42 | Karen S. Kiergaard | 44 | Wife | — | Denmark |
| 43 | Vera M. Kiergaard | 16 | Daughter | Typist | California |
| 44 | Norman K. Kiergaard | 11 | Son | — | California |
| 45 | Margaret L. Kiergaard | 6 | Daughter | — | California |
| 46 | Charles F. Walker | 24 | Head | Laborer | California |
| 47 | Louise E. Walker | 24 | Wife | — | California |
| 48 | Joe Isaboury | 28 | Head | Engr (Construction) | Canada |
| 49 | Betty Isaboury | 25 | Wife | — | Arizona |
| 50 | Jesse W. Waddell | 27 | Head | Salesman | Iowa |
| 51 | Ruth E. Waddell | 27 | Wife | Film Inspector | Colorado |
| 52 | Fred W. Knickerbocker | 41 | Head | Secretary Treasurer | Colorado |
| 53 | Lew C. Knickerbocker | 11 | Son | — | California |
| 54 | Jack Kelley | 36 | Head | Projectionist | England |
| 55 | Lelah M. Kelley | 33 | Wife | — | Colorado |
| 56 | Lillian H. Kelley | 13 | Daughter | — | California |
| 57 | Jack Ii Kelley | 5 | Son | — | California |
| 58 | Joseph J. Fox THIS PERSON | 34 | Head | Architect | Illinois |
| 59 | Eugenie A. Fox | 31 | Wife | — | California |
| 60 | Carol A. Fox | 9 | Daughter | — | California |
| 61 | C. Meredith Fox | 8 | Daughter | — | California |
| 62 | Joseph J. Fox | 3 | Son | — | California |
| 63 | James M. Cottrell | 34 | Head | Property Man | Iowa |
| 64 | Ethel S. Cottrell | 28 | Wife | Rate Clerk | Iowa |
| 65 | Lee Thomas Sr. Cottrell | 56 | Father | Motorman | Iowa |
| 66 | Mirt W. Burdick | 41 | Head | Construction Foreman | California |
| 67 | Doris J. Burdick | 33 | Wife | — | Tennessee |
| 68 | Richard C. Burdick | 8 | Son | — | California |
| 69 | Bertha L. Alexander | 53 | Mother in law | — | Tennessee |
| 70 | Frank Roberts | 28 | Head | Wardrobe Clerk | Utah |
| 71 | Annie Roberts | 28 | Wife | — | Idaho |
| 72 | Carol E. Roberts | 1 | Daughter | — | California |
| 73 | Theodore Skervis | 62 | Head | Real Estate Agent | Alabama |
| 74 | Edna J. Skervis | 52 | Wife | — | Minnesota |
| 75 | Marie Johnson | 77 | Mother in law | — | Minnesota |
| 76 | Daniel S. Stoddard | 29 | Head | Time Keeper | Minnesota |
| 77 | Nelda K. Stoddard | 29 | Wife | — | Minnesota |
| 78 | Lynda J. Stoddard | 1 | Daughter | — | California |
| 79 | Wesley H. Gardner | 37 | Head | Linotype Operator | Washington |
| 80 | H. Donna Gardner | 23 | Wife | — | Washington |
Pedigree Summary
Joseph
Gen 1 · 3 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)