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Frank Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Frank Martin across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Manuel & Manuel — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Washington Judicial Township |
| Est. Birth Year | ~1917 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Martin | Daughter | — | 19 | ~1921 |
| Manuel Martin | Head | — | 45 | ~1895 |
| Frank Martin | Son | — | 23 | ~1917 |
| Manuel Martin | Son | — | 24 | ~1916 |
| Pauline Martin | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Alameda, California
Son, age 3
Alameda, California · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Speaks English | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 13
Alameda, California · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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 23
Alameda-County, California · implied b. ~1917 — 5 household members
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Alameda |
| Highest Grade | 8 |
| 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 Frank Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Manuel Martin (~0.92 confidence) and father Manuel Martin (~0.92 confidence) and mother Pauline Martin (~0.92 confidence) and mother Pauline Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Manuel Martin
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Manuel Martin
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Pauline Martin
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Pauline Martin
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Martin
Son · 1940 · age 23 · b. ~1917 · California
★ You are viewing this record
Sibling
Manuel Martin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Martin
Sibling · 1940 · age 19
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-t0627-00191-00549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Takashi Sugimoto | 14 | son | — | California |
| 2 | Satoshi Sugimoto | 10 | son | — | California |
| 3 | Chester Bartlow | 34 | Head | Laborer | Missouri |
| 4 | Carl Naumann | 61 | Head | Shipping Clerk | Germany |
| 5 | Marie Naumann | 60 | Wife | — | Germany |
| 6 | Otto Garna | 68 | Head | Retired | Germany |
| 7 | Marie Garna | 58 | Wife | — | Germany |
| 8 | Valentine Jackson | 40 | Head | Master Mechanic | California |
| 9 | Alice Jackson | 35 | Wife | — | California |
| 10 | Richard Jackson | 13 | Son | — | California |
| 11 | Christian Anderson | 73 | Head | Farmer | Denmark |
| 12 | Katherine Anderson | 66 | Wife | — | Germany |
| 13 | Margaret Anderson | 22 | Daughter | — | California |
| 14 | Chris Mikkelsen | 46 | Son-in-law | Mechanic | California |
| 15 | Elsie Mikkelsen | 36 | Daughter | — | California |
| 16 | Andrew Stitz | 29 | Boarder | Painter | Oregon |
| 17 | Alfred Martin | 50 | Head | — | California |
| 18 | Evelyn Martin | 40 | Wife | — | California |
| 19 | Phyllis Martin | 20 | Daughter | — | California |
| 20 | John Cardoza | 45 | Head | Dairyman | Azores |
| 21 | Hope Cardoza | 43 | Wife | — | Azores |
| 22 | Alice Cardoza | 22 | Daughter | — | California |
| 23 | Manuel Cardoza | 19 | Son | — | California |
| 24 | Helen Cardoza | 17 | Daughter | — | California |
| 25 | John Cardoza | 15 | Son | — | California |
| 26 | Elsie Cardoza | 8 | Daughter | — | California |
| 27 | Manuel Martin | 26 | Head | Laborer | California |
| 28 | Antone Reivette | 62 | Head | Farm | Azores |
| 29 | Helen Reivette | 62 | Wife | — | California |
| 30 | Elon Reivette | 28 | Son | — | California |
| 31 | Vesta Reivette | 27 | Daughter | — | California |
| 32 | Rosaline Reivette | 26 | Son | — | California |
| 33 | Ernest Sr. Foster | 65 | Head | — | California |
| 34 | Iona Foster | 55 | Wife | — | California |
| 35 | Ernest Jr. Foster | 23 | Son | Laborer | California |
| 36 | Manuel Martin | 45 | Head | Farmer | Azores |
| 37 | Pauline Martin | 42 | Wife | — | Azores |
| 38 | Manuel Jr. Martin | 24 | Son | Farmer | California |
| 39 | Frank Martin THIS PERSON | 23 | Son | — | California |
| 40 | Evelyn Martin | 19 | Daughter | — | California |
Pedigree Summary
Frank + 2 siblings
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)