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Mary Barnes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kern-County, California
Our Model Tree links this Mary Barnes across the 1930 and 1940 US Censuses in Kern-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kern-County, California |
| Surname | Barnes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Ojai |
| 1935 Residence (County) | Ventura |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Judicial Township 16 |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Stella Barnes | Daughter | — | 2 | ~1938 |
| Mary Barnes | Daughter | — | 11 | ~1929 |
| William Barnes | Head | — | 43 | ~1897 |
| Leslie Barnes | Son | — | 6 | ~1934 |
| Arthur Barnes | Son | — | 13 | ~1927 |
| Carl Barnes | Son | — | 19 | ~1921 |
| Junior Barnes | Son | — | 7 | ~1933 |
| Edith Barnes | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Kern, California
Daughter, age 1
Kern, California · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barnes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | North Dakota |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Kern-County, California
Daughter, age 11
Kern-County, California · implied b. ~1929 — 8 household members
| Surname | Barnes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Ojai |
| 1935 Residence (County) | Ventura |
| Highest Grade | No 5 |
| 1935 Residence | California |
| 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 Barnes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Barnes
Daughter · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Leslie Barnes
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Barnes
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Junior Barnes
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Barnes
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Barnes
Sibling · 1940 · age 19
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 — Kern-County, California
Open full size
1940 US Federal Census — Kern-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00216-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helena Kachn | 52 | Wife | — | Russia |
| 42 | Dave Kachn | 32 | Son | — | Russia |
| 43 | Abe Kachn | 30 | Son | — | Russia |
| 44 | Agnes Kachn | 22 | Daughter | — | California |
| 45 | Arnold Kachn | 18 | Son | — | California |
| 46 | Mattie Riggs | 57 | Head | — | Texas |
| 47 | William M. Graham | 88 | Father | Rentals | Arkansas |
| 48 | Mathilde Graham | 85 | Wife | — | Texas |
| 49 | Beth Graham | 24 | Sister-in-law | — | Washington |
| 50 | Harrison William Davis | 46 | Head | Laborer | Tennessee |
| 51 | Ada M. Davis | 44 | Wife | — | Oklahoma |
| 52 | James Davis | 20 | Son | Laborer | Oklahoma |
| 53 | Melba Davis | 18 | Daughter | Nursery School | Oklahoma |
| 54 | Mavis Davis | 16 | Daughter | — | Oklahoma |
| 55 | Clifford Davis | 11 | Son | — | Texas |
| 56 | John Pelham | 59 | Head | Laborer | Texas |
| 57 | Ida Pelham | 50 | Wife | — | Texas |
| 58 | James W. Wilson | 60 | Head | Blacksmith | Missouri |
| 59 | Pearl Wilson | 52 | Wife | — | New York |
| 60 | John Wilson | 38 | Son | Farm Work | Missouri |
| 61 | Harry Wilson | 31 | Son | Laborer | Missouri |
| 62 | Sue Wilson | 24 | Daughter | Clerk | Missouri |
| 63 | Jack Wilson | 20 | Son | Clerk | Missouri |
| 64 | Ruth Wilson | 17 | Daughter | — | Missouri |
| 65 | Elmer Wilson | 9 | Son | — | Kansas |
| 66 | Billy Edward Wilson | 5 | Grand-son | — | Texas |
| 67 | William Barnes | 43 | Head | Operator | Oklahoma |
| 68 | Edith Barnes | 32 | Wife | — | North Dakota |
| 69 | Carl Barnes | 19 | Son | Helper | Oklahoma |
| 70 | Arthur Barnes | 13 | Son | — | California |
| 71 | Mary Barnes THIS PERSON | 11 | Daughter | — | California |
| 72 | Junior Barnes | 7 | Son | — | California |
| 73 | Leslie Barnes | 6 | Son | — | California |
| 74 | Stella Barnes | 2 | Daughter | — | California |
| 75 | Thomas C. Hunt | 70 | Head | Laborer | Arkansas |
| 76 | Theresa Hunt | 25 | Daughter | — | Arkansas |
| 77 | Elmina Hunt | 20 | Daughter | — | Oklahoma |
| 78 | Floyd Hunt | 18 | Son | Laborer | Oklahoma |
| 79 | Herbert Loewen | 32 | Head | Farmer | Canada |
| 80 | Eleanor Loewen | 31 | Wife | — | Canada |
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)