WC
William Carter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mendocino-County, California
Our Model Tree links this William Carter across the 1920, 1930 and 1940 US Censuses in Mendocino-County, California (XGBoost, ~Confirmed), with identified parents William & Wm — first a head (b.~1912), then head of a 2-person household.
Age 28
b. ~1912
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mendocino-County, California |
| Surname | Carter |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Ukiah Judicial |
| 1935 Residence (County) | Mendocino |
| Additional Details | |
| Occupation | attendant |
| Industry | state hospital |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 790 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Attendant |
| Township / Ward | Ukiah Judicial |
| Est. Birth Year | ~1912 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Carter | Head | — | 28 | ~1912 |
| Austin Carter | Son | — | 18 | ~1922 |
Census Appearances
1920
Mendocino, California
Son, age 7
Mendocino, California · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Wm. Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Mendocino, California
Son, age 17
Mendocino, California · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Mendocino-County, California
Head, age 28
Mendocino-County, California · implied b. ~1912 — 2 household members
| Surname | Carter |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Ukiah Judicial |
| 1935 Residence (County) | Mendocino |
| Occupation | attendant |
| Industry | state hospital |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 790 |
| Highest Grade | No 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 William Carter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Carter (~0.92 confidence) and father Wm Carter (~0.92 confidence) and mother Mary Carter (~0.92 confidence) and mother Mary Carter (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Carter
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Wm Carter
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Carter
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mary Carter
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carter
Head · 1940 · age 28 · b. ~1912 · 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 — Mendocino-County, California
Open full size
1940 US Federal Census — Mendocino-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00263-00650)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Creal A Dunegan | 34 | Head | Laborer | Missouri |
| 2 | Carrie Dunegan | 40 | Wife | — | California |
| 3 | Lenord P Purdy | 20 | Son | Laborer | California |
| 4 | Dorothy E Clement | 16 | Daughter | — | California |
| 5 | Lucy Gregg | 80 | Lodger | Field Hand | California |
| 6 | Charles M Dunegan | 71 | Head | — | Missouri |
| 7 | Mary E Dunegan | 66 | Wife | — | Missouri |
| 8 | Grover C Thayer | 38 | Head | Mechanic | Minnesota |
| 9 | Marie U Thayer | 37 | Wife | — | Missouri |
| 10 | Earnest Thayer | 14 | Son | — | Minnesota |
| 11 | Eula M Thayer | 10 | Daughter | — | Minnesota |
| 12 | Donald D Thayer | 2 | Son | — | Minnesota |
| 13 | Charles Larue | 73 | Head | — | California |
| 14 | Bertha Larue | 66 | Wife | — | Indiana |
| 15 | Willard Morris | 26 | Son in law | Laborer | California |
| 16 | Nerva E Morris | 30 | Daughter | — | Michigan |
| 17 | Donald L Bradford | 11 | Grandson | — | Michigan |
| 18 | Clinton Bradford | 8 | Grandson | — | Michigan |
| 19 | Darlene Bradford | 4 | Granddaughter | — | Michigan |
| 20 | Glen Wilcox | 33 | Hired hand | Laborer | Oklahoma |
| 21 | Gilbert Cox | 49 | Head | Farmer | California |
| 22 | Hazel Cox | 46 | Wife | — | California |
| 23 | Luigi Targini | 53 | Head | — | Italy |
| 24 | Robert Targini | 26 | Son | Merchant | California |
| 25 | Charles Targini | 21 | Son | Laborer | California |
| 26 | Fred Targini | 15 | Son | — | California |
| 27 | Albert Targini | 13 | Son | — | California |
| 28 | Lawrence Dal Poggo | 39 | Head | Farmer | Italy |
| 29 | Mary Dal Poggo | 36 | Wife | — | California |
| 30 | Eugene Dal Poggo | 10 | Son | — | California |
| 31 | William H Carter THIS PERSON | 28 | Head | Attendant | California |
| 32 | Austin B Carter | 18 | Son | Truck Driver | California |
| 33 | George S Garling | 56 | Head | Farmer | California |
| 34 | Lilly B Garling | 50 | Wife | — | California |
| 35 | William F Lawrence | 75 | Head | — | California |
| 36 | Ella Lawrence | 55 | Wife | — | Oregon |
| 37 | Floyd Lawrence | 25 | Son | Carpenter | California |
| 38 | Phillip Lawrence | 14 | Son | — | California |
| 39 | William Frassinello | 30 | Head | Laborer | California |
| 40 | Lena Frassinello | 25 | Wife | — | California |
Pedigree Summary
William
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)