CF
Charles Fox — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this Charles Fox across the 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a head (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Fox |
| Given Name | Charles G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | San Diego |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Occupation | Lawyer |
| Industry | Private office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1726 |
| Highest Grade | C 5 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Lawyer |
| Township / Ward | San Diego |
| Est. Birth Year | ~1909 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Fox | Daughter | — | 1 | ~1939 |
| Charles Fox | Head | — | 31 | ~1909 |
| Frances Loomis | Other | — | 24 | ~1916 |
| Frederick Fox | Son | — | 3 | ~1937 |
| Charles Fox | Son | — | 5 | ~1935 |
| Mary Fox | Spouse | — | 29 | ~1911 |
Census Appearances
1920
San Diego, …
Son, age 10
San Diego, California · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Charles M. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
San Diego, …
Son, age 21
San Diego, California · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
San-Diego-County, California
Head, age 31
San-Diego-County, California · implied b. ~1909 — 6 household members
| Surname | Fox |
| Given Name | Charles G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | San Diego |
| 1935 Residence (County) | San Diego |
| Occupation | Lawyer |
| Industry | Private office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1726 |
| Highest Grade | C 5 |
| 1935 Residence | Same Place |
| 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 Charles Fox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Fox (~0.92 confidence) and father Charles Fox (~0.92 confidence) and mother Marie Fox (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Charles Fox
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Charles Fox
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Marie Fox
b. ~1897
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Charles Fox
Head · 1940 · age 31 · b. ~1909 · 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 — San-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00447-00351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph P. Sinnott | 34 | Head | Electrical Engineer | Pennsylvania |
| 42 | Carolyn S. Sinnott | 29 | Wife | — | Washington DC |
| 43 | Joseph Jr. Sinnott | 3 | Son | — | California |
| 44 | Michael W. Sinnott | 0 | Son | — | California |
| 45 | Thelma Stephens | 24 | Maid | Maid | Nebraska |
| 46 | William Shirley | 32 | Head | Lieutenant | Mississippi |
| 47 | Elizabeth Shirley | 31 | Wife | — | Texas |
| 48 | Shirley S. Shirley | 6 | Daughter | — | California |
| 49 | Dexter Stillman | 46 | Head | Salesmanager | Montana |
| 50 | Gladys Stillman | 45 | Wife | — | Minnesota |
| 51 | John Stillman | 17 | Son | — | Montana |
| 52 | Philip Eckhart | 52 | Head | Treasurer | Nebraska |
| 53 | Olive Eckhart | 58 | Wife | — | Iowa |
| 54 | Paul Raeburn | 32 | Head | Wholesale Merchant | California |
| 55 | Betty Raeburn | 31 | Wife | — | California |
| 56 | Susan Raeburn | 5 | Daughter | — | California |
| 57 | Rosemary Raeburn | 2 | Daughter | — | California |
| 58 | Marion Dunbar | 20 | Maid | Maid | California |
| 59 | Frank Hager | 38 | Head | Architect | California |
| 60 | Marion Hager | 36 | Wife | — | Rhode Island |
| 61 | Frank Iii Hager | 9 | Son | — | California |
| 62 | Charles Hager | 7 | Son | — | California |
| 63 | Linda Hager | 2 | Daughter | — | California |
| 64 | Carol Nummer | 20 | Maid | Maid | North Dakota |
| 65 | Ralph Frank | 42 | Head | Architectural Designer | Kansas |
| 66 | Alice M. Frank | 40 | Wife | — | New York |
| 67 | Billy Frank | 17 | Son | — | California |
| 68 | Robert J. Shirley | 26 | Head | Lieutenant | Colorado |
| 69 | Elizabeth Shirley | 26 | Wife | — | Michigan |
| 70 | Robert Jr. Shirley | 1 | Son | — | California |
| 71 | Charles G. Fox THIS PERSON | 31 | Head | Lawyer | Illinois |
| 72 | Mary Fox | 29 | Wife | — | Illinois |
| 73 | Charles Iii Fox | 5 | Son | — | California |
| 74 | Frederick Fox | 3 | Son | — | California |
| 75 | Kathryn M. Fox | 1 | Daughter | — | California |
| 76 | Frances Loomis | 24 | Maid | Maid | Oklahoma |
| 77 | Conrad Smith | 41 | Head | Vice President Of Bank | Oregon |
| 78 | Iris Smith | 38 | Wife | — | Iowa |
| 79 | Conrad Jr. Smith | 11 | Son | — | California |
| 80 | Carol Smith | 6 | Daughter | — | California |
Pedigree Summary
Charles
Gen 1 · 3 parents
~0.81
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)