MS
Manuel Silva — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Luis-Obispo-County, California
Our Model Tree links this Manuel Silva across the 1920, 1930 and 1940 US Censuses in San-Luis-Obispo-County, California (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Luis-Obispo-County, California |
| Surname | SILVA |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Arroyo Grande |
| 1935 Residence (County) | San Luis Obispo |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Farmer |
| Township / Ward | Arroyo Grande |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Manuel Silva | Son | — | 29 | ~1911 |
| Margaret Silva | Spouse | — | 63 | ~1877 |
| Johnnie Silva | Son | — | 22 | ~1918 |
| Angelina Silva | Daughter | — | 25 | ~1915 |
| John Silva | Head | — | 65 | ~1875 |
| Shirley Silva | Other | — | 4 | ~1936 |
Census Appearances
1920
San Luis …
Son, age 7
San Luis Obispo, California · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Silva |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Luis …
Son, age 18
San Luis Obispo, California · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Silva |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Laborer |
| Industry | Cattle ranch |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Luis-Obispo-County, California
Son, age 29
San-Luis-Obispo-County, California · implied b. ~1911 — 6 household members
| Surname | SILVA |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Arroyo Grande |
| 1935 Residence (County) | San Luis Obispo |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| 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 Manuel Silva across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Silva (~0.92 confidence) and father John Silva (~0.92 confidence) and mother Margaret Silva (~0.92 confidence) and mother Margaret Silva (~0.92 confidence) and father Antonio Silva (~0.92 confidence) and mother Joe Pimentel (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
John Silva
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Silva
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Margaret Silva
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Margaret Silva
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Antonio Silva
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Joe Pimentel
b. ~1902
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Manuel Silva
Son · 1940 · age 29 · b. ~1911 · California
★ You are viewing this record
Sibling
Johnnie Silva
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Angelina Silva
Sibling · 1940 · age 25
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-Luis-Obispo-County, California
Open full size
1940 US Federal Census — San-Luis-Obispo-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00328-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara Bedia | 26 | Head | Farm Hand | Phil Island |
| 42 | A. Bolivar | 26 | Boarder | Farm Hand | Phil Island |
| 43 | N. Aguire | 50 | Boarder | Farm Hand | Phil Island |
| 44 | L. Sorbillan | 39 | Boarder | Farm Hand | Phil Island |
| 45 | C. Pagalenia | 30 | Boarder | Farm Hand | Phil Island |
| 46 | P. Rada | 30 | Boarder | Farm Hand | Phil Island |
| 47 | C. Lopez | 45 | Boarder | Farm Hand | Phil Island |
| 48 | L. Cultiano | 35 | Boarder | Farm Hand | Phil Island |
| 49 | Mary Rays | 70 | Head | Np | Phil Island |
| 50 | John M. Silva | 65 | Head | Farmer | Portugal |
| 51 | Margaret Silva | 63 | Wife | — | Portugal |
| 52 | Manuel Silva THIS PERSON | 29 | Son | Farmer | California |
| 53 | Angelina Silva | 25 | Daughter | — | California |
| 54 | Johnnie Silva | 22 | Son | — | California |
| 55 | Shirley Silva | 4 | Grandson | — | California |
| 56 | Lester Caddhill | 30 | Head | Farmer | California |
| 57 | B. Reeves | 55 | Head | Farm | California |
| 58 | Adbstine Adady | 75 | Head | Farm | California |
| 59 | Mary Adady | 65 | Wife | — | California |
| 60 | Pedro Ferrel | 40 | Head | Miner | California |
| 61 | Ramona Ferrel | 33 | Wife | — | California |
| 62 | Aurora Ferrel | 13 | Daughter | — | California |
| 63 | Andrea Ferrel | 11 | Daughter | — | California |
| 64 | Pedro Ferrel | 9 | Son | — | California |
| 65 | Juanita Ferrel | 6 | Daughter | — | California |
| 66 | Manuel Ferrel | 3 | Son | — | California |
| 67 | Esperanza Ferrel | 1 | Daughter | — | California |
| 68 | Herbert Jenkins | 35 | Head | Farmer | Missouri |
| 69 | Mary Jenkins | 33 | Wife | — | California |
| 70 | Herbert Jenkins | 10 | Son | — | California |
| 71 | Marjorie Jenkins | 5 | Daughter | — | California |
| 72 | Asa Porter | 57 | Head | Farm | California |
| 73 | Rizzie A. Porter | 57 | Wife | — | California |
| 74 | Asa Porter | 25 | Son | Farm | California |
| 75 | Rizzie Marie Porter | 24 | Daughter | — | California |
| 76 | Chester Porter | 21 | Son | — | California |
| 77 | Lucille Porter | 19 | Daughter | — | California |
| 78 | Ralph Parrish | 39 | Head | Produce Buyer | Washington |
| 79 | Dudley Parrish | 6 | Son | — | California |
Pedigree Summary
Manuel + 2 siblings
Gen 1 · 6 parents
~0.87
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)