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 Louis & Mary — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Silva |
| Given Name | Manuel S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Irvington |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Laborer |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 86 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Laborer |
| Township / Ward | Irvington |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Manuel Silva | Son | — | 26 | ~1914 |
| Philbert Silva | Son | — | 22 | ~1918 |
| Anna Silva | Head | — | 46 | ~1894 |
Census Appearances
1920
Alameda, California
Son, age 5
Alameda, California · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Silva |
| Given Name | Manuel |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 16
Alameda, California · implied b. ~1914 — 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 | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Son, age 26
Alameda-County, California · implied b. ~1914 — 3 household members
| Surname | Silva |
| Given Name | Manuel S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Irvington |
| 1935 Residence (County) | Alameda |
| Occupation | Laborer |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 86 |
| Highest Grade | Hs 1 |
| 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 Louis Silva (~0.92 confidence) and mother Mary Silva (~0.92 confidence) and father Joe Silva (~0.92 confidence) and mother Anna Silva (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Silva
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Mary Silva
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Joe Silva
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Silva
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Silva
Son · 1940 · age 26 · b. ~1914 · California
★ You are viewing this record
Sibling
Philbert Silva
Sibling · 1940 · age 22
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 — 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-t0627-00191-00771)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hugh W. Coil | 39 | Head | Enameler | Illinois |
| 2 | Florence M. Coil | 34 | Wife | — | California |
| 3 | Kenneth H. Coil | 8 | Son | — | California |
| 4 | Walter Coil | 65 | Father | — | Indiana |
| 5 | John P. Faria | 67 | Head | Farmer | Azores Is. |
| 6 | Catherine Faria | 68 | Wife | — | Azores Is. |
| 7 | John P. Jr. Faria | 26 | Son | Press-Man | California |
| 8 | Alfred C. Smith | 28 | Head | Farmer | California |
| 9 | Rosalie A. Smith | 24 | Wife | — | California |
| 10 | Stanley A. Baer | 16 | Lodger | Laborer | Pennsylvania |
| 11 | Manuel F. Vargas | 30 | Head | Farmer | California |
| 12 | Anna R. Vargas | 23 | Wife | — | California |
| 13 | Patricia Vargas | 4 | Daughter | — | California |
| 14 | Albert L. Brown | 44 | Head | Laborer | California |
| 15 | Mamie L. Brown | 40 | Wife | — | California |
| 16 | Irene M. Brown | 18 | Daughter | N.Y.A. Secretary | California |
| 17 | Dolores L. Brown | 17 | Daughter | — | California |
| 18 | Marie M. Brown | 14 | Daughter | — | California |
| 19 | Evelyn Brown | 11 | Daughter | — | California |
| 20 | Anthony J. Brown | 40 | Brother | Laborer | California |
| 21 | Daniel R. Cross | 26 | Head | Peach Machine Mechanic | Colorado |
| 22 | Edna M. Cross | 25 | Wife | — | California |
| 23 | Edna Mae Cross | 7 | Daughter | — | California |
| 24 | David L. Cross | 5 | Son | — | California |
| 25 | Myrna L. Cross | 0 | Daughter | — | California |
| 26 | William A. Sloan | 70 | Head | Farmer | New York |
| 27 | Elizabeth H. Sloan | 69 | Wife | — | Missouri |
| 28 | Samuel F. Rutter | 66 | Head | — | California |
| 29 | Minnie L. Rutter | 58 | Wife | — | California |
| 30 | Anna R. Silva | 46 | Head | Laborer Piece Worker | California |
| 31 | Manuel S. Silva THIS PERSON | 26 | Son | Laborer | California |
| 32 | Philbert J. Silva | 22 | Son | Laborer | California |
| 33 | — | None | — | — | — |
| 34 | Arnold Rothlin | 54 | Head | Box-Tender | Switzerland |
| 35 | Agnes Rothlin | 47 | Wife | Cook Counter | Switzerland |
| 36 | Marguerite E. Rothlin | 18 | Lodger | Waitress | California |
| 37 | Leland J. Meacham | 25 | Head | Night Watchman | California |
| 38 | Alfred E. Hirsch | 68 | Head | — | California |
| 39 | Ida E. Hirsch | 56 | Wife | — | California |
| 40 | Joe B. Castellano | 34 | Head | Truck Driver | Portugal |
Pedigree Summary
Manuel + 1 sibling
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)