EP
Elizabeth Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Elizabeth Peterson across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Peterson |
| Given Name | Elizabeth P. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S 9 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1925 |
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 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Charles Peterson | Head | — | 43 | ~1897 |
| Milton Peterson | Son | — | 17 | ~1923 |
| Elizabeth Peterson | Daughter | — | 15 | ~1925 |
| Leona Peterson | Daughter | — | 13 | ~1927 |
| Allen Peterson | Son | — | 4 | ~1936 |
| Alice Peterson | Daughter | — | 4 | ~1936 |
| Robert Peterson | Son | — | 7 | ~1933 |
| Donald Peterson | Son | — | 11 | ~1929 |
| Mary Peterson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Los Angeles, …
Daughter, age 5
Los Angeles, California · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elizabeth P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 15
Los-Angeles-County, California · implied b. ~1925 — 9 household members
| Surname | Peterson |
| Given Name | Elizabeth P. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Industry | 0 |
| Highest Grade | S 9 |
| 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 Elizabeth Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Peterson
Daughter · 1940 · age 15 · b. ~1925 · California
★ You are viewing this record
Sibling
Robert Peterson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Peterson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leona Peterson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Peterson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Peterson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Peterson
Sibling · 1940 · 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
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00374-00855)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jerry Shefeld | 3 | daughter | — | Ohio |
| 2 | Helen Lundy | 74 | boarder | — | Illinois |
| 3 | F. B. Winiger | 68 | head | Poultry | Oregon |
| 4 | Claudia Winiger | 57 | wife | Rabbitry | Arkansas |
| 5 | Mildred Brown | 16 | ward | School Work | Louisiana |
| 6 | Roberta Comstock | 15 | the count | — | Oklahoma |
| 7 | Belora Hatch | 11 | ward | — | Oregon |
| 8 | John Wagner | 56 | head | Poultry | Illinois |
| 9 | Simon De Young | 71 | head | Poultry | Canada |
| 10 | Marie De Young | 69 | wife | — | France |
| 11 | James L. Lucas | 34 | head | Owner | Ohio |
| 12 | Pearl R. Lucas | 32 | wife | — | W. Virginia |
| 13 | Audrey Lucas | 13 | daughter | — | Ohio |
| 14 | George Brenner | 76 | alone | — | Germany |
| 15 | Charles L. Peterson | 43 | head | Carpenter | Minnesota |
| 16 | Mary Peterson | 38 | wife | — | Minnesota |
| 17 | Milton C. Peterson | 17 | son | Repair Man | California |
| 18 | Elizabeth P. Peterson THIS PERSON | 15 | daughter | — | California |
| 19 | Leona M. Peterson | 13 | daughter | — | California |
| 20 | Donald L. Peterson | 11 | son | — | California |
| 21 | Robert F. Peterson | 7 | son | — | California |
| 22 | Allen E. Peterson | 4 | son | — | California |
| 23 | Alice A. Peterson | 4 | daughter | — | California |
| 24 | William A. Hollister | 67 | head | — | Michigan |
| 25 | Emily Hollister | 66 | wife | — | New York |
| 26 | Ruth Hollister | 33 | daughter | — | Michigan |
| 27 | Walter B. Hollister | 28 | son | Rough Hand | Michigan |
| 28 | Itt D. Drew | 77 | head | — | Michigan |
| 29 | Minnie L. Drew | 68 | wife | — | Minnesota |
| 30 | Joseph Drew | 27 | son | 42 | Minnesota |
| 31 | Ehrsel A. Ibraham | 41 | head | Banker | Washington |
| 32 | Ester Ibraham | 25 | wife | — | Colorado |
| 33 | Arlene M. Ibraham | 1 | daughter | — | California |
| 34 | William L. Brewer | 68 | head | Gardener | N. Carolina |
| 35 | Anna J. Brewer | 52 | wife | Nurse | Iowa |
| 36 | William Jr. Brewer | 12 | son | — | California |
| 37 | Lacy Shaffer | 50 | head | Rancher | California |
| 38 | Isabel Shaffer | 47 | wife | — | Ohio |
| 39 | Isabel Shaffer | 19 | daughter | Beauty Work | California |
| 40 | Louise Shaffer | 24 | daughter | Trained Nurse | California |
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)