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Charles Knight — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Bernardino-County, California
Our Model Tree links this Charles Knight across the 1920, 1930 and 1940 US Censuses in San-Bernardino-County, California (XGBoost, ~Confirmed), with identified parents Charles & Ethel — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Bernardino-County, California |
| Surname | Knight |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Redlands city |
| 1935 Residence (County) | San Bernardino |
| Additional Details | |
| Occupation | Construction Man |
| Industry | Water Dept |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Construction Man |
| Township / Ward | Redlands 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Martha Knight | Daughter | — | 26 | ~1914 |
| Lois Knight | Daughter | — | 14 | ~1926 |
| Marjory Knight | Daughter | — | 19 | ~1921 |
| Charles Knight | Head | — | 57 | ~1883 |
| Robert Knight | Son | — | 18 | ~1922 |
| Paul Knight | Son | — | 13 | ~1927 |
| Charles Knight | Son | — | 22 | ~1918 |
| Bruce Knight | Son | — | 16 | ~1924 |
| Ethel Knight | Spouse | — | 50 | ~1890 |
Census Appearances
1920
San Bernardino, …
Son, age 2
San Bernardino, California · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Charles M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Michigan |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Bernardino, …
Son, age 12
San Bernardino, California · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Michigan |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Bernardino-County, California
Son, age 22
San-Bernardino-County, California · implied b. ~1918 — 9 household members
| Surname | Knight |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Redlands city |
| 1935 Residence (County) | San Bernardino |
| Occupation | Construction Man |
| Industry | Water Dept |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| 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 Charles Knight across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Knight (~0.92 confidence) and mother Ethel Knight (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Knight
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Ethel Knight
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Knight
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
Martha Knight
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Knight
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Knight
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjory Knight
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Knight
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bruce Knight
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 — San-Bernardino-County, California
Open full size
1940 US Federal Census — San-Bernardino-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00291-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles E. Knight | 57 | Head | Delivery Man | Michigan |
| 2 | Ethel C. Knight | 50 | Wife | Orange Grower | California |
| 3 | Charles M. Knight THIS PERSON | 22 | Son | Construction Man | California |
| 4 | Robert Knight | 18 | Son | — | California |
| 5 | Bruce Knight | 16 | Son | Helper | California |
| 6 | Lois Knight | 14 | Daughter | — | California |
| 7 | Paul Knight | 13 | Son | — | California |
| 8 | Marjory 'Ab' Knight | 19 | Daughter | Maid | California |
| 9 | Martha Knight | 26 | Daughter | School Teacher | California |
| 10 | Eugene M. Van Demeter | 32 | Head | Manager Grower | California |
| 11 | Louise Van Demeter | 28 | Wife | — | California |
| 12 | Robert Walker | 49 | Head | Owner | Tennessee |
| 13 | Ruth Walker | 40 | Wife | — | Colorado |
| 14 | Antonio Jacinto | 42 | Head | Ranch Worker | Azores Is |
| 15 | Mary Jacinto | 42 | Wife | — | California |
| 16 | Alfred Jacinto | 17 | Son | — | California |
| 17 | Antonio Jacinto | 13 | Son | — | California |
| 18 | Clark Collins | 44 | Head | Orange Grower | Michigan |
| 19 | Mildred Collins | 40 | Wife | — | Illinois |
| 20 | Harvey Collins | 15 | Son | — | California |
| 21 | Ida Farquhar | 76 | Head | Orange Grower | Indiana |
| 22 | Manuel Furtado | 40 | Head | General Man | Azores Is |
| 23 | Isabelle Furtado | 40 | Wife | Housework | California |
| 24 | Arthur Furtado | 20 | Son | Creamery Work | California |
| 25 | Manuel Jr. Furtado | 18 | Son | Messenger Boy | California |
| 26 | John C. King | 57 | Head | Night Watch | Missouri |
| 27 | Louise King | 38 | Wife | — | Kentucky |
| 28 | Daisy King | 19 | Daughter | — | Texas |
| 29 | Grady King | 17 | Son | Milk Boy | Texas |
| 30 | Maud Lee King | 15 | Daughter | — | Texas |
| 31 | Edna Mae King | 13 | Daughter | — | Arkansas |
| 32 | Ina J. King | 10 | Daughter | — | Arkansas |
| 33 | Walter King | 8 | Son | — | Arkansas |
| 34 | Delores King | 6 | Daughter | — | Arkansas |
| 35 | Elmira King | 4 | Daughter | — | Texas |
| 36 | Earl King | 1 | Son | — | California |
| 37 | Silas B. King | 20 | Son | Orange Packer | Texas |
| 38 | Bernard Shaper | 49 | Head | Principal | New York |
| 39 | Helen Shaper | 49 | Wife | — | New York |
| 40 | Betty Jeanne Shaper | 19 | Daughter | — | New York |
Related Census Records
Pedigree Summary
Charles + 6 siblings
Gen 1 · 2 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)