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Joe Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Joe Martin across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 4-person household.
Age 78
b. ~1862
Male
Head
Born: Portugal
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Martin |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Portugal |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
| Township / Ward | Oakland |
| Est. Birth Year | ~1862 |
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 Joe | Age | Birth yr |
|---|---|---|---|---|
| Margaret Martin | Other | — | 30 | ~1910 |
| Frank Martin | Son | — | 37 | ~1903 |
| Joaquina Martin | Spouse | — | 70 | ~1870 |
| Joe Martin | Head | — | 78 | ~1862 |
Census Appearances
Head, age 57
Alameda, California · implied b. ~1863 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Portugal |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Carpenter |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Portugal |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | portugal |
1930
Alameda, California
Head, age 68
Alameda, California · implied b. ~1862
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Martin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Portugal |
| Naturalization Status | Alien |
| Year of Immigration | 1882 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Home Owned/Rented | O |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1940
Alameda-County, California
Head, age 78
Alameda-County, California · implied b. ~1862 — 4 household members
| Surname | Martin |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Portugal |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
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 Joe Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joe Martin
Head · 1940 · age 78 · b. ~1862 · 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-t0627-00435-00464)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Vierra | 12 | Son | — | California |
| 42 | Bertha Vierra | 10 | Daughter | — | California |
| 43 | Gilbert Vierra | 9 | Son | — | California |
| 44 | Caroline Vierra | 7 | Daughter | — | Terr. of Hawaii |
| 45 | Harry Jimenez | 28 | Head | Box Maker | Spain |
| 46 | Eugenia Jimenez | 25 | Wife | — | California |
| 47 | Joe Martin THIS PERSON | 78 | Head | — | Portugal |
| 48 | Joaquina Martin | 70 | Wife | — | Portugal |
| 49 | Frank Martin | 37 | Son | Steam Shovel Operator | Terr. of Hawaii |
| 50 | Margaret Martin | 30 | Daughter-in-law | — | California |
| 51 | Joseph, S Pasqual | 45 | Head | Delivery Man | Portugal |
| 52 | Wilhelmina Pasqual | 44 | Wife | — | Portugal |
| 53 | George Pasqual | 15 | Son | — | California |
| 54 | Joseph Pasqual | 22 | Head | Laborer | California |
| 55 | Elaine Pasqual | 24 | Wife | — | California |
| 56 | Irene Pasqual | 0 | Daughter | — | California |
| 57 | Valio Carti | 31 | Head | Foreman | California |
| 58 | Anna Carti | 32 | Wife | — | New York |
| 59 | Ronald Carti | 5 | Son | — | California |
| 60 | George Cozine | 67 | Head | — | California |
| 61 | Minnie Cozine | 57 | Wife | — | California |
| 62 | Tony Perry | 45 | Head | Laborer | Portugal |
| 63 | Margaret Perry | 34 | Wife | — | California |
| 64 | Dorothy Perry | 16 | Daughter | Houseworker | California |
| 65 | Frank Perry | 15 | Son | — | California |
| 66 | Manuel Perry | 13 | Son | — | California |
| 67 | Betty-Jane Perry | 11 | Daughter | — | California |
| 68 | Frances Marie Perry | 8 | Daughter | — | California |
| 69 | Barbara Joan Perry | 7 | Daughter | — | California |
| 70 | Virginia Diane-Lee Perry | 2 | Daughter | — | California |
| 71 | John T. Kehoe | 58 | Head | Time Keeper | Iowa |
| 72 | Gertrude H Kehoe | 72 | Wife | — | Massachusetts |
| 73 | Frank J. Martinali | 52 | Head | Baker | Austria |
| 74 | Marie Martinali | 62 | Wife | — | Ohio |
| 75 | Marie, E Walsh | 23 | Daughter | — | California |
| 76 | John Welch | 26 | Son-in-law | Chemist | California |
| 77 | Lula Crosson | 64 | Head | Domestic | Mississippi |
| 78 | Harry J Howell | 73 | Head | — | England |
| 79 | Anna E Howell | 68 | Wife | — | California |
| 80 | Victor Brown | 53 | Lodger | Barber | Michigan |
Related Census Records
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)