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Marie Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Marie Brown across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Brown |
| Given Name | Marie R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1020 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Operator |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Virginia Brown | Daughter | — | 23 | ~1917 |
| Marie Brown | Daughter | — | 27 | ~1913 |
| William Brown | Head | — | 51 | ~1889 |
| Leslie Brown | Son | — | 26 | ~1914 |
| William Brown | Son | — | 22 | ~1918 |
| Marie Brown | Spouse | — | 54 | ~1886 |
Census Appearances
1930
San Francisco, …
Daughter, age 17
San Francisco, California · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Marie R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 27
San-Francisco-County, California · implied b. ~1913 — 6 household members
| Surname | Brown |
| Given Name | Marie R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1020 |
| Highest Grade | Hs 4 |
| 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 Marie Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Brown
Daughter · 1940 · age 27 · b. ~1913 · California
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Sibling
William Brown
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Brown
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Brown
Sibling · 1940 · age 23
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 — 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-t0627-00312-00325)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Brown | 51 | Head | Salesman | California |
| 2 | Marie E. Brown | 54 | Wife | — | Ohio |
| 3 | Marie R. Brown THIS PERSON | 27 | Daughter | Operator | California |
| 4 | Leslie W. Brown | 26 | Son | Inventory Man | California |
| 5 | Virginia Brown | 23 | Daughter | — | California |
| 6 | William R. Brown | 22 | Son | Warehouseman | California |
| 7 | Richard Roberts | 50 | Head | Salesman | Kansas |
| 8 | Elsa Roberts | 48 | Wife | — | Illinois |
| 9 | Thomas M. Stack | 63 | Head | — | Eire Ireland |
| 10 | Thomas M. Jr. Stack | 25 | Son | Bookkeeper | California |
| 11 | Mabel M. Stack | 24 | Daughter | Social Worker | California |
| 12 | Lester A. Demers | 54 | Head | Engineer | California |
| 13 | Alice Demers | 50 | Wife | — | California |
| 14 | Lorraine A. Demers | 17 | Daughter | — | California |
| 15 | Harriet Lee | 51 | Head | Office Clerk | California |
| 16 | David Lee | 21 | Son | Drug Clerk | California |
| 17 | Clarence V. Coburn | 58 | Head | Salesman | California |
| 18 | Emmeline A. Coburn | 41 | Wife | — | Utah |
| 19 | Patricia S. Coburn | 17 | Daughter | — | Utah |
| 20 | Carlton D. Young | 56 | Head | Printer | California |
| 21 | Charlotte Young | 53 | Wife | — | California |
| 22 | John C. Young | 1 | Son | — | California |
| 23 | Mary A. Young | 75 | Mother | — | California |
| 24 | Lena J. Holmes | 60 | Mother-in-law | — | Kansas |
| 25 | Raymond Stelling | 32 | Head | Bank Teller | California |
| 26 | Ruby J. Stelling | 26 | Wife | — | California |
| 27 | Mary L. Stelling | 2 | Daughter | — | California |
| 28 | Gottardo Ciamporcero | 43 | Head | Office Clerk | Italy |
| 29 | Madeline Ciamporcero | 36 | Wife | — | France |
| 30 | John F. Hardee | 64 | Head | Electrician | California |
| 31 | Minnie K. Hardee | 60 | Wife | — | Indiana |
| 32 | Carl R. Whitmore | 31 | Head | Traveling Salesman | Oregon |
| 33 | Laura M. Whitmore | 61 | Mother | — | Wisconsin |
| 34 | Oscar Gumprecht | 39 | Head | Mechanic | Germany |
| 35 | Freda Gumprecht | 37 | Wife | — | Germany |
| 36 | Edith Gumprecht | 9 | Daughter | — | California |
| 37 | Erma Gumprecht | 9 | Daughter | — | California |
| 38 | William R. Dale | 29 | Head | Advertising | Washington |
| 39 | Dorothy Dale | 25 | Wife | — | Minnesota |
| 40 | Henry J. Borchard | 41 | Head | Court Reporter | Illinois |
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)