CW
Catherine Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Catherine Williams across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 0
b. ~1930
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Williams |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Mary Williams | Daughter | — | 6 | ~1924 |
| Catherine Williams | Daughter | — | ~1930 | |
| Margaret Williams | Daughter | — | 1 | ~1929 |
| John Williams | Head | — | 35 | ~1895 |
| John Williams | Other | — | 65 | ~1865 |
| John Williams | Son | — | 8 | ~1922 |
| James Williams | Son | — | 4 | ~1926 |
| Robert Williams | Son | — | 2 | ~1928 |
| Mary Williams | Spouse | — | 34 | ~1896 |
Census Appearances
1930
Los Angeles, …
Daughter, age
Los Angeles, California · implied b. ~1930 — 9 household members
| Surname | Williams |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 10
Los-Angeles-County, California · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Cherie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | El Monte Township |
| 1935 Residence (County) | Los Angeles |
| Income (1939) | 0 |
| Highest Grade | H-5 |
| 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 Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Williams
Daughter · 1930 · age 0 · b. ~1930 · California
★ You are viewing this record
Sibling
Mary Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Williams
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Williams
Sibling · 1930 · age 4
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:ohiocensus00reel1762rs:0257)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Williams | 35 | Head | Salesman | Ireland |
| 52 | Mary Williams | 34 | Wife | — | Ireland |
| 53 | John Williams | 8 | Son | — | California |
| 54 | Mary Williams | 6 | Daughter | — | California |
| 55 | James Williams | 4 | Son | — | California |
| 56 | Robert Williams | 2 | Son | — | California |
| 57 | Margaret Williams | 1 | Daughter | — | California |
| 58 | Catherine Williams THIS PERSON | 0 | Daughter | — | California |
| 59 | John Williams | 65 | Father | — | Ireland |
| 60 | Hans Hansen | 45 | Head | Salesman | Denmark |
| 61 | Anna Hansen | 40 | Wife | — | Denmark |
| 62 | Hans Hansen | 18 | Son | — | Pennsylvania |
| 63 | Anna Hansen | 16 | Daughter | — | Pennsylvania |
| 64 | John Hansen | 14 | Son | — | Pennsylvania |
| 65 | Mary Hansen | 12 | Daughter | — | Pennsylvania |
| 66 | Robert Hansen | 10 | Son | — | Pennsylvania |
| 67 | Catherine Hansen | 8 | Daughter | — | Pennsylvania |
| 68 | James Hansen | 6 | Son | — | Pennsylvania |
| 69 | Margaret Hansen | 4 | Daughter | — | Pennsylvania |
| 70 | William Hansen | 2 | Son | — | Pennsylvania |
| 71 | Elizabeth Hansen | 1 | Daughter | — | Pennsylvania |
| 72 | John Hansen | 70 | Father | — | Denmark |
| 73 | Mary Hansen | 65 | Mother | — | Denmark |
| 74 | Hans Hansen | 40 | Brother | — | Denmark |
| 75 | Anna Hansen | 35 | Sister | — | Denmark |
| 76 | John Hansen | 30 | Brother | — | Denmark |
| 77 | Mary Hansen | 25 | Sister | — | Denmark |
| 78 | Hans Hansen | 45 | Head | Salesman | Denmark |
| 79 | Anna Hansen | 40 | Wife | — | Denmark |
| 80 | Hans Hansen | 18 | Son | — | California |
| 81 | Anna Hansen | 16 | Daughter | — | California |
| 82 | John Hansen | 14 | Son | — | California |
| 83 | Mary Hansen | 12 | Daughter | — | California |
| 84 | Robert Hansen | 10 | Son | — | California |
| 85 | Catherine Hansen | 8 | Daughter | — | California |
| 86 | James Hansen | 6 | Son | — | California |
| 87 | Margaret Hansen | 4 | Daughter | — | California |
| 88 | William Hansen | 2 | Son | — | California |
| 89 | Elizabeth Hansen | 1 | Daughter | — | California |
| 90 | John Hansen | 70 | Father | — | Denmark |
| 91 | Mary Hansen | 65 | Mother | — | Denmark |
| 92 | Hans Hansen | 40 | Brother | — | Denmark |
| 93 | Anna Hansen | 35 | Sister | — | Denmark |
| 94 | John Hansen | 30 | Brother | — | Denmark |
| 95 | Mary Hansen | 25 | Sister | — | Denmark |
| 96 | Hans Hansen | 45 | Head | Salesman | Denmark |
| 97 | Anna Hansen | 40 | Wife | — | Denmark |
| 98 | Hans Hansen | 18 | Son | — | California |
| 99 | Anna Hansen | 16 | Daughter | — | California |
| 100 | John Hansen | 14 | Son | — | California |
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)