AL
Arthur Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mariposa-County, California
Our Model Tree links this Arthur Lewis across the 1920, 1930 and 1940 US Censuses in Mariposa-County, California (XGBoost, ~Confirmed), with identified parents William & Richard — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mariposa-County, California |
| Surname | Lewis |
| Given Name | Arthur W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Township 5 |
| 1935 Residence (County) | Mariposa |
| Additional Details | |
| Occupation | Logger |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Logger |
| Township / Ward | Township 5 |
| Est. Birth Year | ~1911 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Valynda Lewis | Daughter | — | 4 | ~1936 |
| Arthur Lewis | Head | — | 29 | ~1911 |
| Alton Lewis | Son | — | 3 | ~1937 |
| Dennis Lewis | Son | — | 1 | ~1939 |
| Elise Lewis | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Mariposa, California
Son, age 8
Mariposa, California · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Arthur W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Mariposa, California
Son, age 19
Mariposa, California · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Arthur W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Brakeman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Mariposa-County, California
Head, age 29
Mariposa-County, California · implied b. ~1911 — 5 household members
| Surname | Lewis |
| Given Name | Arthur W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Township 5 |
| 1935 Residence (County) | Mariposa |
| Occupation | Logger |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 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 Arthur Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lewis (~0.92 confidence) and father Richard Lewis (~0.92 confidence) and mother Effie Lewis (~0.92 confidence) and mother Ella Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lewis
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Richard Lewis
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Effie Lewis
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Ella Lewis
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Lewis
Head · 1940 · age 29 · b. ~1911 · 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 — Mariposa-County, California
Open full size
1940 US Federal Census — Mariposa-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00262-00942)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ella V Vick | 60 | — | — | Illinois |
| 42 | Robert C Woodmanser | 16 | Boarder | — | Washington |
| 43 | Evelyn J Woodmanser | 15 | Boarder | — | Washington |
| 44 | Ida B Bryant | 35 | Boarder | — | Washington |
| 45 | Russell M Horman | 48 | Head | Farmer | Illinois |
| 46 | Nell E Horman | 40 | Wife | — | Wisconsin |
| 47 | Daniel M Womack | 44 | Head | Farmer | Illinois |
| 48 | Ruby M Womack | 41 | Wife | Teacher | Missouri |
| 49 | Susan Leonard | 79 | Head | — | California |
| 50 | Frank Leonard | 53 | Son | Farmer | California |
| 51 | John R Leonard | 48 | Son | Tractor Driver | California |
| 52 | Archie R Leonard | 28 | Son | Mail Carrier | California |
| 53 | John Lawrence | 69 | Brother | — | California |
| 54 | Neva Leonard | 28 | Daughter | — | California |
| 55 | Robert J Leonard | 18 | Nephew | — | California |
| 56 | Bradley Kemble | 52 | Head | Farmer | Colorado |
| 57 | Ethel G Kemble | 47 | Wife | — | California |
| 58 | Otto W Triesch | 53 | Head | Millwright | Ohio |
| 59 | Martha L Triesch | 46 | Wife | — | California |
| 60 | Oliver L Bell | 73 | Head | Caretaker | California |
| 61 | Samuel A Lindner | 73 | Head | — | Tennessee |
| 62 | Amy E Lindner | 62 | Wife | — | Utah |
| 63 | Clifford B Berry | 43 | Head | Writer | Louisiana |
| 64 | Elsie G Berry | 32 | Wife | — | Minnesota |
| 65 | Loyal H Hunt | 62 | Head | Salesman | Wisconsin |
| 66 | Elvina M Hunt | 42 | Sister | — | Minnesota |
| 67 | Norman J Pinkerton | 40 | Head | Farmer | Kansas |
| 68 | Margie V Pinkerton | 40 | Wife | — | Nebraska |
| 69 | Sophie Bortney | 80 | Mother-in-law | — | Wisconsin |
| 70 | Lillian E Bortney | 81 | Sister-in-law | — | Wisconsin |
| 71 | Francis M Burleson | 66 | Head | — | Texas |
| 72 | — | None | — | — | — |
| 73 | William H Ligon | 34 | Head | Logger | Tennessee |
| 74 | Azona I Ligon | 25 | Wife | — | California |
| 75 | Eleanor M Ligon | 4 | Daughter | — | California |
| 76 | Arthur W Lewis THIS PERSON | 29 | Head | Logger | California |
| 77 | Elise Lewis | 29 | Wife | — | California |
| 78 | Valynda Lewis | 4 | Daughter | — | California |
| 79 | Alton W Lewis | 3 | Son | — | California |
| 80 | Dennis L Lewis | 1 | Son | — | California |
Pedigree Summary
Arthur
Gen 1 · 4 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)