MS
Mary Sargent — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Humboldt-County, California
Our Model Tree links this Mary Sargent across the 1930 and 1940 US Censuses in Humboldt-County, California (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 6-person household.
Age 47
b. ~1893
Female
Head
Born: New Hampshire
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Humboldt-County, California |
| Surname | Sargent |
| Given Name | Mary F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Eureka City |
| 1935 Residence (County) | Humboldt |
| Additional Details | |
| Occupation | Saw Filer |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1392 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Saw Filer |
| Township / Ward | Eureka City |
| Est. Birth Year | ~1893 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Sargent | Son | — | 20 | ~1920 |
| Wesley Sargent | Son | — | 13 | ~1927 |
| Mary Sargent | Head | — | 47 | ~1893 |
| John Sargent | Son | — | 11 | ~1929 |
| Eleanor Sargent | Daughter | — | 17 | ~1923 |
| Ellen Sargent | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Humboldt, California
Head, age 38
Humboldt, California · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sargent |
| Given Name | Mary F |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 23 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Chopper |
| Industry | Lumber camp |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Humboldt-County, California
Head, age 47
Humboldt-County, California · implied b. ~1893 — 6 household members
| Surname | Sargent |
| Given Name | Mary F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Eureka City |
| 1935 Residence (County) | Humboldt |
| Occupation | Saw Filer |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1392 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Sargent across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Sargent
Head · 1940 · age 47 · b. ~1893 · 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 — Humboldt-County, California
Open full size
1940 US Federal Census — Humboldt-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00207-00827)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Verona A. Kerr | 47 | Wife | Bookkeeper | California |
| 2 | John B. George | 47 | Head | Chopper | California |
| 3 | Pearl H. George | 32 | Wife | Housekeeper | California |
| 4 | Germain M. George | 15 | Daughter | Housekeeper | California |
| 5 | Floyd Florence George | 12 | Daughter | — | California |
| 6 | Alton B. George | 5 | Son | — | California |
| 7 | John B. George | 2 | Son | — | California |
| 8 | Gloria M. George | 1 | Daughter | — | California |
| 11 | Mamie M. Beltz | 61 | Head | — | New York |
| 12 | John H. Chalmers | 61 | Lodger | Carpenter | North Dakota |
| 13 | Clara L. Vogel | 72 | Head | — | Illinois |
| 14 | George A. Mason | 80 | Lodger | — | England |
| 15 | Merlin J. Johnson | 45 | Head | Tallyman | Sweden |
| 16 | Emma E. Johnson | 41 | Wife | — | Sweden |
| 17 | Sakari Klint | 55 | Head | Laborer | Finland |
| 18 | Hannah Klint | 51 | Wife | — | Finland |
| 19 | Edwin W. Klint | 28 | Son | Salesman | California |
| 20 | Alex Wilson | 61 | Head | Laborer | Finland |
| 21 | Velera P. Wilson | 59 | Wife | — | Finland |
| 22 | Mary F. Sargent THIS PERSON | 47 | Head | Saw Filer | New Hampshire |
| 23 | Ellen S. Sargent | 42 | Wife | Maid | California |
| 24 | Mary H. Sargent | 20 | Son | Laborer | California |
| 25 | Eleanor A. Sargent | 17 | Daughter | — | California |
| 26 | Wesley F. Sargent | 13 | Son | — | California |
| 27 | John L. Sargent | 11 | Son | — | California |
| 28 | Joanna Swanson | 66 | Head | — | Finland |
| 29 | Sakari Klint | 62 | Head | Laborer | Finland |
| 30 | Sophia Klint | 58 | Wife | — | Finland |
| 31 | Maffacid Skaggs | 54 | Head | Proprietor | California |
| 32 | Mayme E. Skaggs | 52 | Wife | — | California |
| 33 | Myers John P. Preston | 49 | Head | Education Agent | Illinois |
| 34 | Ida P. Preston | 34 | Wife | — | North Carolina |
| 35 | Judson P. Preston | 9 | Son | — | Kansas |
| 36 | Irene M. Preston | 7 | Daughter | — | Kansas |
| 37 | June P. Preston | 6 | Daughter | — | Kansas |
| 38 | Jeanette P. Preston | 3 | Daughter | — | Kansas |
| 39 | Arthur F. Ince | 73 | Head | — | Maryland |
| 40 | Violette M. Ince | 71 | Wife | — | Maryland |
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)