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Katherine Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orange-County, California
Our Model Tree links this Katherine Brown across the 1930 and 1940 US Censuses in Orange-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Orange-County, California |
| Surname | Brown |
| Given Name | Katherine Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Santa Ana |
| 1935 Residence (County) | Orange |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Santa Ana |
| Est. Birth Year | ~1921 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Virginia Brown | Daughter | — | 17 | ~1923 |
| Jeanette Brown | Daughter | — | 14 | ~1926 |
| Barbara Holmes | Daughter | — | 1 | ~1939 |
| Junius Brown | Head | — | 45 | ~1895 |
| Emma Brown | Spouse | — | 40 | ~1900 |
| Arnold Brown | Son | — | 21 | ~1919 |
| Lynette Holmes | Daughter | — | 1 | ~1939 |
| Katherine Brown | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Orange, California
Daughter, age 9
Orange, California · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Orange-County, California
Daughter, age 19
Orange-County, California · implied b. ~1921 — 8 household members
| Surname | Brown |
| Given Name | Katherine Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Santa Ana |
| 1935 Residence (County) | Orange |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| 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 Katherine Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Brown
Daughter · 1940 · age 19 · b. ~1921 · California
★ You are viewing this record
Sibling
Lynette Holmes
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Holmes
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Brown
Sibling · 1940 · age 21
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 — Orange-County, California
Open full size
1940 US Federal Census — Orange-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00274-00668)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence Angelman | 31 | Head | Truck Driver | Kansas |
| 42 | Chloe Angelman | 28 | Wife | — | Kansas |
| 43 | Coleen Angelman | 8 | Daughter | — | Kansas |
| 44 | Thomas Angelman | 5 | Son | — | Kansas |
| 45 | Patty Angelman | 1 | Daughter | — | Kansas |
| 46 | Junius H. Brown | 45 | Head | Dealer | New York |
| 47 | Emma Brown | 40 | Wife | — | Ohio |
| 48 | Arnold Leroy Brown | 21 | Son | Machinist | California |
| 49 | Katherine Ann Brown THIS PERSON | 19 | Daughter | — | California |
| 50 | Virginia Louise Brown | 17 | Daughter | Housekeeper | California |
| 51 | Jeanette Brown | 14 | Daughter | — | California |
| 52 | Barbara Jean Holmes | 1 | Daughter | — | California |
| 53 | Lynette Holmes | 1 | Daughter | — | California |
| 54 | Giles Cook | 21 | Head | Welder | California |
| 55 | Margaret Cook | 19 | Wife | — | California |
| 56 | Marjorie Cook | 2 | Daughter | — | California |
| 57 | J. L. Standifer | 51 | Head | Garden Forager | Tennessee |
| 58 | Essie Standifer | 41 | Wife | — | Tennessee |
| 59 | M. L. Jr. Standifer | 19 | Son | — | Tennessee |
| 60 | Jacob Foster Wilson | 33 | Head | Route Manager | Alabama |
| 61 | Beulah F. Wilson | 28 | Wife | Lemon Packer | Kansas |
| 62 | Carey E. Wilson | 2 | Son | — | California |
| 63 | Mark E. Wilson | 1 | Son | — | California |
| 64 | Ellsworth Starry | 30 | Head | Laborer | Minnesota |
| 65 | Alpha Starry | 29 | Wife | — | Idaho |
| 66 | Glen Starry | 6 | Son | — | California |
| 67 | Clark Starry | 2 | Son | — | California |
| 68 | Ben Johnson | 58 | Head | Painter | Nebraska |
| 69 | Nadine Johnson | 24 | Daughter | Secretary | Nebraska |
| 70 | Royce Johnson | 15 | Son | — | California |
| 71 | Dora Lorenzen | 53 | Head | — | Iowa |
| 72 | Fred Trefren | 76 | Head | — | Canada |
| 73 | Ada Trefren | 61 | Wife | — | Illinois |
| 74 | Charles P. Atwood | 43 | Head | Dealer | Colorado |
| 75 | Evelyn M. Atwood | 30 | Wife | — | Colorado |
| 76 | Charles E. Atwood | 2 | Son | — | California |
| 77 | Cheryl Ann Atwood | 3 | Daughter | — | California |
| 78 | Adeline Wilson | 58 | Head | Sales Lady | Colorado |
| 79 | George S. Montgomery | 61 | Lodger | — | Colorado |
| 80 | Maude Montgomery | 58 | Lodger | — | Illinois |
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)