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Marie Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Marie Martin across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 2-person household.
Age 50
b. ~1890
Female
Head
Born: Portugal
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Martin |
| Given Name | Marie G. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Portugal |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 500 |
| Highest Grade | H 2 2 |
| 1935 Residence | Same place |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
| Occupation | Housekeeper |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1890 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Marie Martin | Head | — | 50 | ~1890 |
| Aurora Martin | Daughter | — | 22 | ~1918 |
Census Appearances
Spouse, age 30
Alameda, California · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Portugal |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1930
Alameda, California
Spouse, age 40
Alameda, California · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Marie A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Portugal |
| Naturalization Status | Alien |
| Year of Immigration | 1912 |
| Age at First Marriage | 16 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | none |
| Can Read/Write | No |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1940
San-Francisco-County, California
Head, age 50
San-Francisco-County, California · implied b. ~1890 — 2 household members
| Surname | Martin |
| Given Name | Marie G. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Portugal |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | First papers filed |
| Occupation | Housekeeper |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 500 |
| Highest Grade | H 2 2 |
| 1935 Residence | Same place |
| 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 Marie 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
Marie Martin
Head · 1940 · age 50 · b. ~1890 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00319-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna C. Rowe | 45 | Wife | — | Florida |
| 42 | George King | 25 | Lodger | Doorman | Kansas |
| 43 | Thelma Shepherd | 25 | Lodger | Housekeeper | Arkansas |
| 44 | Ruth Paul | 25 | Lodger | Check Girl | Louisiana |
| 45 | Jake Stricker | 29 | Head | Barkeeper | Russia |
| 46 | Bertha Stricker | 29 | Wife | — | Colorado |
| 47 | Irene Stricker | 7 | Daughter | — | Colorado |
| 48 | Molly Erlich | 60 | Mother-in-law | — | Russia |
| 49 | Leonard C. Randolph | 32 | Lodger | — | Tennessee |
| 50 | Richard G. Cocks | 50 | Lodger | Mucker | England |
| 51 | Gertrude A. Cocks | 37 | Lodger | Housekeeper | Michigan |
| 52 | Mary Lou Cocks | 5 | Lodger | — | California |
| 53 | Johnson Collard | 43 | Head | Paper Hanger | Illinois |
| 54 | Marie F. Collard | 33 | Wife | — | California |
| 55 | Walter Elvistakey | 26 | Head | Teamster | Russia |
| 56 | Lydia Elvistakey | 21 | Wife | Laundress | China |
| 57 | Anatole Elvistakey | 13 | Brother | — | California |
| 58 | Leon Braunstein | 28 | Head | Retail Jobber | California |
| 59 | Lillian Braunstein | 25 | Wife | — | Utah |
| 60 | Ronald Anderson | 6 | Step-son | — | Utah |
| 61 | John Genes | 42 | Head | Table Waiter | Greece |
| 62 | June Genes | 32 | Wife | — | Tennessee |
| 63 | Rosalie Genes | 2 | Daughter | — | California |
| 64 | Columbus Small | 40 | Head | Cement Finisher | Mississippi |
| 65 | Armilda R. Small | 37 | Wife | — | Kansas |
| 66 | Manottia E. Carter | 40 | Lodger | — | Kansas |
| 67 | Erwin White | 28 | Lodger | Cook | Texas |
| 68 | Joe H. Osborne | 39 | Lodger | Chief Cook | Alabama |
| 69 | Hilda C. Davis | 42 | Head | Dressmaker | California |
| 70 | Myrtle Harris | 39 | Lodger | Cosmetologist | Texas |
| 71 | Marie G. Martin THIS PERSON | 50 | Head | Housekeeper | Portugal |
| 72 | Aurora A. Martin | 22 | Daughter | — | California |
| 73 | Fredrick J. Petelanson | 40 | Head | Postal Clerk | Texas |
| 74 | Mabel L. Petelanson | 45 | Wife | — | California |
| 75 | Melfawn Penteney | 22 | Lodger | Social Worker | California |
| 76 | Frances L. Penteney | 19 | Daughter | — | California |
| 77 | Lawrence Williams | 17 | Grand-son | — | California |
| 78 | Jackie Williams | 16 | Grand-daughter | — | California |
| 79 | Leroy Harris | 12 | Lodger | — | California |
| 80 | Albert A. Bourda | 39 | Head | Laundryman | France |
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)