MS
Mary Stafford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sonoma-County, California
Our Model Tree links this Mary Stafford across the 1930 and 1940 US Censuses in Sonoma-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 11-person household.
Age 36
b. ~1904
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sonoma-County, California |
| Surname | STAFFORD |
| Given Name | MARY D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | S. P. |
| 1935 Residence (County) | Sonoma |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Healdsburg Twp |
| Est. Birth Year | ~1904 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margeret Stafford | Daughter | — | 12 | ~1928 |
| Mary Stafford | Spouse | — | 36 | ~1904 |
| Nancy Stafford | Daughter | — | 8 | ~1932 |
| Everett Stafford | Son | — | 5 | ~1935 |
| Dolores Stafford | Daughter | — | 1 | ~1939 |
| Dorothy Stafford | Daughter | — | ~1940 | |
| Vernon Stafford | Son | — | 16 | ~1924 |
| Mary Stafford | Daughter | — | 2 | ~1938 |
| Everett Stafford | Head | — | 40 | ~1900 |
| Jaunita Stafford | Daughter | — | 17 | ~1923 |
| Alberta Stafford | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Sonoma, California
Spouse, age 26
Sonoma, California · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stafford |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 19 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Sonoma-County, California
Spouse, age 36
Sonoma-County, California · implied b. ~1904 — 11 household members
| Surname | STAFFORD |
| Given Name | MARY D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | S. P. |
| 1935 Residence (County) | Sonoma |
| Highest Grade | No 6 |
| 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 Mary Stafford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stafford
Spouse · 1940 · age 36 · b. ~1904 · 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 — Sonoma-County, California
Open full size
1940 US Federal Census — Sonoma-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00349-00517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abele Ferrari | 60 | Head | Machinist | Italy |
| 2 | Mansoeta Ferrari | 49 | Wife | — | Italy |
| 3 | Inez Ferrari | 20 | Daughter | Bookkeeper | California |
| 4 | Vera Ferrari | 10 | Daughter | — | California |
| 5 | Raymond Roderick | 28 | Head | Laborer | Massachusetts |
| 6 | Rebecca E. Roderick | 31 | Wife | — | Washington |
| 7 | Gail L. Roderick | 1 | Daughter | — | California |
| 8 | Everett Stafford | 40 | Head | Laborer | California |
| 9 | Mary D. Stafford THIS PERSON | 36 | Wife | — | California |
| 10 | Jaunita Stafford | 17 | Daughter | — | California |
| 11 | Vernon Stafford | 16 | Son | — | California |
| 12 | Alberta Stafford | 14 | Daughter | — | California |
| 13 | Margeret Stafford | 12 | Daughter | — | California |
| 14 | Nancy Stafford | 8 | Daughter | — | California |
| 15 | Everett Stafford | 5 | Son | — | California |
| 16 | Mary Jane Stafford | 2 | Daughter | — | California |
| 17 | Dolores Stafford | 1 | Daughter | — | California |
| 18 | Dorothy Stafford | 0 | Daughter | — | California |
| 19 | Alfred C. Jr Ruby | 32 | Head | Horseman | Oregon |
| 20 | Gaye M. Ruby | 26 | Wife | — | Canada |
| 21 | Alfred C. Iii Ruby | 6 | Son | — | Oregon |
| 22 | Willis S. Ruby | 3 | Son | — | Oregon |
| 23 | Emory L. Alderson | 28 | Head | Laborer | California |
| 24 | Margareth Alderson | 24 | Wife | — | California |
| 25 | Clement H. Thompson | 29 | Head | Laborer | California |
| 26 | Betty Thompson | 24 | Wife | — | Mississippi |
| 27 | Stanley L. Thompson | 8 | Son | — | California |
| 28 | Bruce M. Thompson | 3 | Son | — | California |
| 29 | Perry L. Howard | 41 | Head | Horseman | Missouri |
| 30 | Vivian D. Howard | 40 | Wife | — | Arkansas |
| 31 | Julia A. Balbi | 54 | Head | — | California |
| 32 | Frank J. Balbi | 34 | Son | Manager | California |
| 33 | Ernestine V. Balbi | 18 | Daughter | Chauffeur | California |
| 34 | Roy C. Stillwell | 43 | Head | Chauffeur | California |
| 35 | Minnie A. Stillwell | 39 | Wife | — | Oregon |
| 36 | Roy Jr. Stillwell | 19 | Son | Truck Driver | California |
| 37 | William F. Merian | 59 | Head | Gardener | California |
| 38 | Estelle N. Merian | 54 | Wife | — | California |
| 39 | Alma M. Merian | 24 | Daughter | Bookkeeping | California |
| 40 | Neva R. Merian | 23 | Daughter | Servant | 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)