FC
Francis Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Francis Clark across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Clark |
| Given Name | Francis Allen |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Gatos |
| 1935 Residence (County) | Santa Clara |
| Additional Details | |
| Occupation | New worker |
| Industry | Add jobs etc. Cabinet shop |
| Hours Worked | 40 |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | New Worker |
| Township / Ward | South Gate City |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Richard Clark | Son | — | 7 | ~1933 |
| William Clark | Son | — | 13 | ~1927 |
| Allen Clark | Head | — | 46 | ~1894 |
| Francis Clark | Son | — | 18 | ~1922 |
| Ellen Clark | Daughter | — | 4 | ~1936 |
| George Clark | Son | — | 17 | ~1923 |
| Evelyn Clark | Spouse | — | 36 | ~1904 |
| Mildred Clark | Daughter | — | 16 | ~1924 |
| Arthur Clark | Son | — | 8 | ~1932 |
| Edward Clark | Other | — | 76 | ~1864 |
Census Appearances
1930
Los Angeles, …
Son, age 8
Los Angeles, California · implied b. ~1922 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Francis W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 18
Los-Angeles-County, California · implied b. ~1922 — 10 household members
| Surname | Clark |
| Given Name | Francis Allen |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Gatos |
| 1935 Residence (County) | Santa Clara |
| Occupation | New worker |
| Industry | Add jobs etc. Cabinet shop |
| Hours Worked | 40 |
| Highest Grade | Hs 4 |
| 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 Francis Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Clark
Son · 1940 · age 18 · b. ~1922 · California
★ You are viewing this record
Sibling
William Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Clark
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Clark
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Clark
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Clark
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Clark
Sibling · 1940 · age 17
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
40 people indexed on this census page (nara:1940:m-t0627-00247-00666)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Louise Jarvis | 23 | Wife | Waitress | California |
| 2 | Robert I Jarvis | 3 | Son | — | California |
| 3 | Warner J Lund | 21 | Head | Rubber Worker | Denmark |
| 4 | Elizabeth Lund | 21 | Wife | Waitress | Colorado |
| 5 | Loretta L Lund | 0 | Daughter | — | California |
| 6 | Ralph Wormington | 42 | Head | Lumber Worker | Oregon |
| 7 | Claire E Wormington | 41 | Wife | — | Oregon |
| 8 | Basil C Smith | 31 | Head | Oil Service Station | Iowa |
| 9 | Florence E Smith | 32 | Wife | — | Iowa |
| 10 | Melvin Douglas Smith | 1 | Son | — | California |
| 11 | Carol Joan Smith | 0 | Daughter | — | California |
| 12 | Emily Leizerman | 70 | Head | — | Germany |
| 13 | Ira Panye | 30 | Son | Cement Man | California |
| 14 | Dorothy M Panye | 28 | Daughter-in-law | — | Michigan |
| 15 | Cornelius W Oudejans | 42 | Head | Welder | Netherlands |
| 16 | Miriam E Oudejans | 35 | Wife | — | Nebraska |
| 17 | Ellen L Oudejans | 10 | Daughter | — | California |
| 18 | Cornelius W Oudejans | 6 | Son | — | California |
| 19 | Earl R Oudejans | 4 | Son | — | California |
| 20 | Paul H Carr | 30 | Head | Salesman | Texas |
| 21 | Margaret E Carr | 27 | Wife | — | Montana |
| 22 | Carol L Carr | 2 | Daughter | — | California |
| 23 | David King Devore | 33 | Head | Standardization Dept | Massachusetts |
| 24 | Mary E Devore | 40 | Wife | — | Ohio |
| 25 | Robert Moore | 46 | Lodger | Body Building | Missouri |
| 26 | Allen B Clark | 46 | Head | Cabinet Maker | Illinois |
| 27 | Evelyn Clark | 36 | Wife | — | Illinois |
| 28 | Francis Allen Clark THIS PERSON | 18 | Son | New Worker | California |
| 29 | George E Clark | 17 | Son | Cabinet Maker Apprentice | California |
| 30 | Mildred J Clark | 16 | Daughter | — | California |
| 31 | William Allison Clark | 13 | Son | — | California |
| 32 | Arthur A Clark | 8 | Son | — | California |
| 33 | Richard Lee Clark | 7 | Son | — | California |
| 34 | Ellen Norma Clark | 4 | Daughter | — | California |
| 35 | Edward Clark | 76 | Father | — | Illinois |
| 36 | Edward H Litchfield | 45 | Head | Welder | England |
| 37 | Lena K Litchfield | 40 | Wife | — | Illinois |
| 38 | Bernard A Litchfield | 16 | Son | — | California |
| 39 | Doreen Frances Litchfield | 13 | Daughter | — | California |
| 40 | David Davis | 29 | Head | Salesman | New York |
Related Census Records
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)