MS
Manuel Silva — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Manuel Silva across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1897), then head of a 4-person household.
Age 43
b. ~1897
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Silva |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Well driller |
| Industry | Own Bus |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Well Driller |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1897 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Silva | Daughter | — | 18 | ~1922 |
| Louisa Silva | Spouse | — | 42 | ~1898 |
| Geraldine Silva | Daughter | — | 8 | ~1932 |
| Manuel Silva | Head | — | 43 | ~1897 |
Census Appearances
1920
Alameda, California
Son, age 23
Alameda, California · implied b. ~1897 — 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 | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Head, age 33
Alameda, California · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Silva |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 22 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Laborer |
| Industry | Cannery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Head, age 43
Alameda-County, California · implied b. ~1897 — 4 household members
| Surname | Silva |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Alameda |
| Occupation | Well driller |
| Industry | Own Bus |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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: mother Mary Silva (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Silva
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Silva
Head · 1940 · age 43 · b. ~1897 · 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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00191-00669)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Santos | 25 | Wife | — | California |
| 2 | Rodney Santos | 5 | Son | — | California |
| 3 | William Santos | 79 | Father | — | Mass |
| 4 | Manuel Silva | 28 | Head | Helper | California |
| 5 | Eleanor Silva | 25 | Wife | Housework | California |
| 6 | Leonora Francis | 66 | Head | — | California |
| 7 | Pauline Francis | 36 | Daughter | — | California |
| 8 | Wilma Francis | 29 | Daughter | — | California |
| 9 | Gilbert Francis | 22 | Son | Butcher | California |
| 10 | Clarence H. Gilstrap | 61 | Head | Store Keeper | California |
| 11 | Nellie Gilstrap | 60 | Wife | Store Helper | Illinois |
| 12 | Gunther Pupcke | 33 | Head | Laborer | Germany |
| 13 | Anne E. Pupcke | 28 | Wife | Beauty Operator | Mass |
| 14 | Fred Rogers | 52 | Head | Farm Worker | California |
| 15 | Helen E. Rogers | 48 | Wife | — | Detroit |
| 16 | Helenat Rogers | 23 | Daughter | — | California |
| 17 | Fred Rogers | 22 | Son | Helper | California |
| 18 | Stanley Rogers | 20 | Son | — | California |
| 19 | Mary Rogers | 81 | Mother | — | Maine |
| 20 | Mae B. Rose | 39 | Head | Fruit Cutter | California |
| 21 | Bernice D. Rose | 15 | Daughter | — | California |
| 22 | Vernon Rose | 10 | Son | — | California |
| 23 | Anna Vargas | 51 | Head | Teacher P.S.D. | California |
| 24 | Robert P. Mattos | 20 | Nephew | Shipping Clerk | California |
| 25 | Bernadette Mattos | 17 | Niece | — | California |
| 26 | Mello Reverend Sousa | 67 | Head | Priest | Azores |
| 27 | Jeremiah Rev. Gleason | 32 | Assistant | Priest | Ireland |
| 28 | Julina Cognina | 50 | Housekeeper | House Keeper | Azores |
| 29 | Alfred Cognina | 12 | Son | — | California |
| 30 | Manuel Silva THIS PERSON | 43 | Head | Well Driller | California |
| 31 | Louisa P. Silva | 42 | Wife | — | California |
| 32 | Dorothy Silva | 18 | Daughter | — | California |
| 33 | Geraldine Silva | 8 | Daughter | — | California |
| 34 | Joseph Furtado | 42 | Head | Stove Moulder | California |
| 35 | Angeline Furtado | 33 | Wife | Fruit Canner | California |
| 36 | Verne Furtado | 4 | Son | — | California |
| 37 | Joe Clarke | 56 | Head | Paper Hanger Painter | California |
| 38 | Mary E. Clarke | 65 | Wife | — | Mass |
| 39 | John Fair | 75 | Head | — | Ireland |
| 40 | Anthony Vezarelo | 81 | Head | — | Azores |
Pedigree Summary
Manuel
Gen 1 · 1 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)