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Frank Ford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mendocino-County, California
Our Model Tree links this Frank Ford across the 1920, 1930 and 1940 US Censuses in Mendocino-County, California (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Son
Born: California
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Mendocino-County, California |
| Surname | Ford |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Widowed |
| Birthplace | California |
| 1935 Residence (City) | Willits |
| 1935 Residence (County) | Mendocino |
| Additional Details | |
| Occupation | Sawyer |
| Industry | Lumber Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Sawyer |
| Township / Ward | Willits |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Ford | Son | — | 36 | ~1904 |
| William Ford | Head | — | 70 | ~1870 |
| Edith Ford | Spouse | — | 61 | ~1879 |
| Harold Ford | Son | — | 20 | ~1920 |
Census Appearances
1920
Mendocino, California
Son, age 15
Mendocino, California · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ford |
| Given Name | Frank A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Mendocino, California
Other, age 26
Mendocino, California · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ford |
| Given Name | Frank A. |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Iowa |
| Occupation | Manager |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Mendocino-County, California
Son, age 36
Mendocino-County, California · implied b. ~1904 — 4 household members
| Surname | Ford |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Widowed |
| Birthplace | California |
| 1935 Residence (City) | Willits |
| 1935 Residence (County) | Mendocino |
| Occupation | Sawyer |
| Industry | Lumber Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | 8 |
| 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 Frank Ford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Ford (~0.92 confidence) and father William Ford (~0.92 confidence) and mother Edith Ford (~0.92 confidence) and mother Edith Ford (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Ford
b. ~1871
Source father
● Household
· direct · ~0.92
Father
William Ford
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Edith Ford
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Edith Ford
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Ford
Son · 1940 · age 36 · b. ~1904 · California
★ You are viewing this record
Sibling
Harold Ford
Sibling · 1940 · age 20
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 — Mendocino-County, California
Open full size
1940 US Federal Census — Mendocino-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00263-00165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bert Raymond | 61 | Head | — | California |
| 42 | Dolly Raymond | 58 | Wife | — | California |
| 43 | Francis Leo Raymond | 31 | Son | Section Hand | California |
| 44 | Morris Raymond | 26 | Son | Logger | California |
| 45 | Clara Dryden | 56 | Head | — | California |
| 46 | Verneth Dryden | 21 | Son | Clerk | California |
| 47 | William Spangle | 73 | Head | — | Oregon |
| 48 | Minnie Spangle | 63 | Wife | — | California |
| 49 | Jack Spangle | 19 | Son | Logger | California |
| 50 | William Denton | 37 | Head | Laborer | California |
| 51 | Irma Denton | 31 | Wife | — | California |
| 52 | Eugene Denton | 9 | Son | — | California |
| 53 | William Denton | 3 | Son | — | California |
| 54 | Charles Tuck | 47 | Head | Trapper | California |
| 55 | Martha Tuck | 47 | Wife | — | California |
| 56 | Robert Tuck | 13 | Son | — | California |
| 57 | Charles Shelton | 75 | Head | — | California |
| 58 | Birkett Kelly | 54 | Head | Contractor | California |
| 59 | Nellie L. Kelly | 54 | Wife | — | California |
| 60 | Ross Emerson | 64 | Head | — | Iowa |
| 61 | Mabel Emerson | 52 | Wife | — | Kansas |
| 62 | Allen Vantrease | 65 | Head | — | Arkansas |
| 63 | Mahala Vantrease | 66 | Wife | — | Missouri |
| 64 | William Ford | 70 | Head | — | Arkansas |
| 65 | Edith Ford | 61 | Wife | — | Iowa |
| 66 | Frank Ford THIS PERSON | 36 | Son | Sawyer | California |
| 67 | Harold Ford | 20 | Son | Laborer | California |
| 68 | James Riley | 40 | Head | Salesman | Texas |
| 69 | Mabel Riley | 35 | Wife | Nurse | Wyoming |
| 70 | Neal Riley | 9 | Son | — | California |
| 71 | Timothy Riley | 5 | Son | — | California |
| 72 | Leslie Holgate | 27 | Head | Laborer | California |
| 73 | Kathryn Holgate | 30 | Wife | — | California |
| 74 | Cleo Holgate | 5 | Daughter | — | California |
| 75 | Leslie Holgate | 2 | Son | — | California |
| 76 | Augustino Berrti | 59 | Head | Laborer | Italy |
| 77 | Frank Berrti | 18 | Son | — | California |
| 78 | Ruth Tuck | 22 | Head | — | California |
| 79 | James Tuck | 20 | Brother | Laborer | California |
Pedigree Summary
Frank + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)