CD
Catherine Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Catherine Davis across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 15-person household.
Age 6
b. ~1924
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Davis |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1924 |
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.
15 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Catherine Davis | Daughter | — | 6 | ~1924 |
| Theresa Davis | Daughter | — | 1 | ~1929 |
| Annie Davis | Daughter | — | 12 | ~1918 |
| Rose Davis | Daughter | — | 3 | ~1927 |
| Helen Davis | Daughter | — | 10 | ~1920 |
| Elizabeth Davis | Daughter | — | 4 | ~1926 |
| Margaret Davis | Daughter | — | 8 | ~1922 |
| Alice Davis | Daughter | — | 9 | ~1921 |
| Matthew Davis | Head | — | 34 | ~1896 |
| Robert Davis | Son | — | 2 | ~1928 |
| William Davis | Son | — | 1 | ~1929 |
| James Davis | Son | — | 5 | ~1925 |
| Joseph Davis | Son | — | 1 | ~1929 |
| John Davis | Son | — | 7 | ~1923 |
| Mary Davis | Spouse | — | 34 | ~1896 |
Census Appearances
1930
Los Angeles, …
Daughter, age 6
Los Angeles, California · implied b. ~1924 — 15 household members
| Surname | Davis |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 17
Los-Angeles-County, California · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davia |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 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 Catherine Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Davis
Daughter · 1930 · age 6 · b. ~1924 · California
★ You are viewing this record
Sibling
James Davis
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Davis
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Davis
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Davis
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Davis
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Davis
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Davis
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Davis
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Davis
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Davis
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Davis
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Davis
Sibling · 1930 · age 9
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
1930 US Federal Census — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2450unit:0621)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 51 | — | 25 | — | California |
| 52 | — | 2 | — | California |
| 53 | Edna | 24 | H | California |
| 54 | — | 4 | — | California |
| 55 | — | 1 | — | California |
| 56 | — | 45 | — | California |
| 57 | — | 9 | — | California |
| 58 | — | 21 | — | California |
| 59 | — | 18 | — | California |
| 60 | — | 16 | — | California |
| 61 | — | 14 | — | California |
| 62 | — | 12 | — | California |
| 63 | — | 10 | — | California |
| 64 | — | 3 | — | California |
| 65 | — | 1 | — | California |
| 66 | Matthew Davis | 34 | Head | California |
| 67 | Mary E Davis | 34 | Wife | California |
| 68 | Alice Davis | 9 | Daughter | California |
| 69 | John Davis | 7 | Son | California |
| 70 | James Davis | 5 | Son | California |
| 71 | Robert Davis | 2 | Son | California |
| 72 | William Davis | 1 | Son | California |
| 73 | Annie Davis | 12 | Daughter | California |
| 74 | Helen Davis | 10 | Daughter | California |
| 75 | Margaret Davis | 8 | Daughter | California |
| 76 | Catherine Davis THIS PERSON | 6 | Daughter | California |
| 77 | Elizabeth Davis | 4 | Daughter | California |
| 78 | Rose Davis | 3 | Daughter | California |
| 79 | Theresa Davis | 1 | Daughter | California |
| 80 | Joseph Davis | 1 | Son | California |
| 81 | — | 45 | — | California |
| 82 | — | 40 | — | California |
| 83 | — | 18 | — | California |
| 84 | — | 16 | — | California |
| 85 | — | 14 | — | California |
| 86 | — | 12 | — | California |
| 87 | — | 10 | — | California |
| 88 | — | 8 | — | California |
| 89 | — | 6 | — | California |
| 90 | — | 4 | — | California |
| 91 | — | 2 | — | California |
| 92 | — | 1 | — | California |
| 93 | — | 12 | — | California |
| 94 | — | 10 | — | California |
| 95 | — | 8 | — | California |
| 96 | — | 6 | — | California |
| 97 | — | 4 | — | California |
| 98 | — | 2 | — | California |
| 99 | — | 1 | — | California |
| 100 | — | 45 | — | California |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)