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Mary Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Santa-Clara-County, California
Our Model Tree links this Mary Marsh across the 1930 and 1940 US Censuses in Santa-Clara-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 2-person household.
Age 15
b. ~1925
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Santa-Clara-County, California |
| Surname | Marsh |
| Given Name | Mary Anne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Soviet Union |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Russia |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | San Jose |
| Est. Birth Year | ~1925 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Ione Marsh | Head | — | 36 | ~1904 |
| Mary Marsh | Daughter | — | 15 | ~1925 |
Census Appearances
1930
San Francisco, …
Daughter, age 5
San Francisco, California · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | Mary Anne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Santa-Clara-County, California
Daughter, age 15
Santa-Clara-County, California · implied b. ~1925 — 2 household members
| Surname | Marsh |
| Given Name | Mary Anne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Soviet Union |
| Hours Worked | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Russia |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Mary Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Marsh
Daughter · 1940 · age 15 · b. ~1925 · 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 — Santa-Clara-County, California
Open full size
1940 US Federal Census — Santa-Clara-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00338-00351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph T Galbreath | 52 | Head | Watchman | Scotland |
| 42 | Lydia Galbreath | 48 | Wife | — | France |
| 43 | Lydia Galbreath | 20 | Daughter | — | Vancouver BC |
| 44 | Paula Deminguez | 69 | Head | — | Mexico |
| 45 | Cecelia Dorsey | 56 | Head | — | California |
| 46 | Edward Dorsey | 58 | Brother | — | California |
| 47 | Felix Cordray | 45 | Lodger | Deputy | Indiana |
| 48 | Mary W Davis | 19 | Head | Secretary | Utah |
| 49 | Anita Heidt | 18 | Partner | — | California |
| 50 | Maurice Van Anglen | 62 | Head | Laborer | Missouri |
| 51 | Jennie B Van Anglen | 59 | Wife | — | Missouri |
| 52 | Maurice L Van Anglen | 30 | Head | Janitor | Missouri |
| 53 | Mariko E Van Anglen | 27 | Wife | — | Arizona |
| 54 | Donald W Van Anglen | 2 | Son | — | California |
| 55 | Charles Duplex | 57 | Head | Teamster | Georgia |
| 56 | Mary Agnes Duplex | 50 | Wife | — | Italy |
| 57 | Kathleen Mitchell | 35 | Head | Waitress | Washington |
| 58 | Elmer Phillips | 81 | Head | — | California |
| 59 | Otto Lilienthal | 26 | Head | Mechanic | California |
| 60 | Eleanor Lilienthal | 27 | Wife | Secretary | Nevada |
| 61 | Marguerite Duarte | 18 | Head | — | Arizona |
| 62 | Elizabeth J Anderson | 41 | Head | Stenographer | California |
| 63 | Ione Marsh | 36 | Head | Dairy | Wisconsin |
| 64 | Mary Anne Marsh THIS PERSON | 15 | Daughter | — | Washington |
| 65 | Kate Frampton | 68 | Head | Maid | California |
| 66 | Flora Frampton | 58 | Sister | Waitress | California |
| 67 | James B Hewette | 25 | Head | 1St Sergeant | Missouri |
| 68 | Adelle Hewette | 27 | Wife | — | Louisiana |
| 69 | Nora Altman | 57 | Head | — | Kansas |
| 70 | Duval Foley | 30 | Head | Distributor | Missouri |
| 71 | Pearl Foley | 35 | Wife | Telephone Oper | Kansas |
| 72 | Samuel B Wright | 65 | Head | — | California |
| 73 | Rose I Wright | 60 | Wife | — | Ohio |
| 74 | Catherine Bain | 61 | Head | — | Scotland |
| 75 | Carrie Wetmore | 77 | Head | — | New York |
| 76 | Henry Yenkes | 45 | Head | Truck Driver | California |
| 77 | Maude Yenkes | 40 | Wife | — | California |
| 78 | Clyde Yenkes | 21 | Son | New Maker | California |
| 79 | Edna Yenkes | 20 | Daughter | Servant | California |
| 80 | Barbara Yenkes | 12 | Daughter | — | California |
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)