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Joseph Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Joseph Knight across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Knight |
| Given Name | Joseph L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Bell |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 420 |
| Highest Grade | H-3 |
| 1935 Residence | California |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | South Gate City |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joanne Knight | Daughter | — | 8 | ~1932 |
| Joseph Knight | Head | — | 32 | ~1908 |
| Melvin Knight | Son | — | 7 | ~1933 |
| Clarence Knight | Son | — | 13 | ~1927 |
| Gertrude Knight | Spouse | — | 32 | ~1908 |
| Richard Knight | Son | — | 1 | ~1939 |
| Jerry Knight | Son | — | 5 | ~1935 |
Census Appearances
1930
Los Angeles, …
Head, age 23
Los Angeles, California · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Joseph L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Truck driver |
| Industry | Storage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Los-Angeles-County, California
Head, age 32
Los-Angeles-County, California · implied b. ~1908 — 7 household members
| Surname | Knight |
| Given Name | Joseph L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Bell |
| 1935 Residence (County) | Los Angeles |
| Occupation | Truck Driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 420 |
| Highest Grade | H-3 |
| 1935 Residence | California |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Knight across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Knight
Head · 1940 · age 32 · b. ~1908 · 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-t0627-00248-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vernon C. Lewis | 17 | son | Typist | Missouri |
| 42 | Betty M. Lewis | 12 | daughter | — | California |
| 43 | John Young | 52 | Head | Operator | Scotland |
| 44 | Mary B. Young | 59 | wife | — | Scotland |
| 45 | Ralph P. Bartlett | 33 | Head | Truck Driver | Washington |
| 46 | Edith E. Bartlett | 45 | wife | — | Washington |
| 47 | David Goff | 32 | Head | Salesman | Russia |
| 48 | Danetta E. Goff | 38 | wife | Owner | Canada English |
| 49 | Leon Goff | 16 | son | — | California |
| 50 | Mary Ann Goff | 13 | daughter | — | California |
| 51 | Warren A. Goff | 8 | son | — | California |
| 52 | Joseph L. Knight THIS PERSON | 32 | Head | Truck Driver | Indiana |
| 53 | Gertrude M. Knight | 32 | wife | — | California |
| 54 | Clarence L. Knight | 13 | son | — | California |
| 55 | Joanne J. Knight | 8 | daughter | — | California |
| 56 | Melvin W. Knight | 7 | son | — | California |
| 57 | Jerry L. Knight | 5 | son | — | California |
| 58 | Richard D. Knight | 1 | son | — | California |
| 59 | Ernest E. Knight | 70 | Head | — | Indiana |
| 60 | Sarah A. Knight | 63 | wife | — | Indiana |
| 61 | Lalla R. Rogers | 64 | Head | — | Missouri |
| 62 | Oliver H. Noble | 31 | Head | Structural Engineer | North Carolina |
| 63 | Geneva B. Noble | 30 | wife | Forelady | Utah |
| 64 | William R. Levano | 9 | stepson | — | Utah |
| 65 | Frank W. Rashik | 35 | Head | Operator | Wisconsin |
| 66 | Anna B. Rashik | 26 | wife | — | California |
| 67 | Patricia A. Scott | 4 | niece | — | California |
| 68 | Dale L. Mccoy | 28 | Head | Cleaner & Presser | Kansas |
| 69 | Delrose M. Mccoy | 27 | wife | Assembler | Canada English |
| 70 | David H. Eccles | 45 | Head | Mechanic | Utah |
| 71 | Eva D. Eccles | 46 | wife | — | Utah |
| 72 | Samuel D. Eccles | 21 | son | Missionary | Montana |
| 73 | David H. Jr. Eccles | 19 | son | Laborer | Utah |
| 74 | William B. Eccles | 18 | son | Laborer | Utah |
| 75 | Richard D. Eccles | 15 | son | — | Oregon |
| 76 | Naomi Anne Eccles | 10 | daughter | — | Oregon |
| 77 | Oscar Hullburn | 50 | Head | Accountant | Sweden |
| 78 | Kathleen S. Hullburn | 41 | wife | — | China |
| 79 | Yva Hullburn | 22 | daughter | Operator | California |
| 80 | Sidney R. Hullburn | 16 | son | — | 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)