RS
Robert Summers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Robert Summers across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Summers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Maywood City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Maywood City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Summers | Son | — | 17 | ~1923 |
| Margaret Summers | Daughter | — | 8 | ~1932 |
| Clinton Summers | Son | — | 11 | ~1929 |
| Lewis Summers | Son | — | 19 | ~1921 |
| Oscar Summers | Son | — | 15 | ~1925 |
| Berenice Summers | Spouse | — | 49 | ~1891 |
| Oscar Summers | Head | — | 53 | ~1887 |
Census Appearances
1930
Los Angeles, …
Son, age 7
Los Angeles, California · implied b. ~1923 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summers |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 17
Los-Angeles-County, California · implied b. ~1923 — 7 household members
| Surname | Summers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Maywood City |
| 1935 Residence (County) | Los Angeles |
| 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 Robert Summers across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Summers
Son · 1940 · age 17 · b. ~1923 · California
★ You are viewing this record
Sibling
Clinton Summers
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Summers
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Summers
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Summers
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 — 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-t0627-00247-00160)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emil Jr Peterson | 10 | Son | — | Nebraska |
| 42 | James Bailey | 25 | Head | Accountant | Tennessee |
| 43 | Anita Bailey | 27 | Wife | Stenographer | Minnesota |
| 44 | Hal Bailey | 5 | Son | — | Oklahoma |
| 45 | James Jr Bailey | 3 | Son | — | Oklahoma |
| 46 | Otto G Kuehl | 23 | Brother-in-law | Pressman | Minnesota |
| 47 | Katherine Kuehl | 22 | Sister | — | Oklahoma |
| 48 | Marcella Kuehl | 4 | Niece | — | Oklahoma |
| 49 | Karl Kuehl | 2 | Nephew | — | California |
| 50 | James H Rearr | 20 | Lodger | Asst Mgr | Oklahoma |
| 51 | Elmer Prior | 29 | Brother-in-law | Truck Driver | Ohio |
| 52 | Earl D Welch | 39 | Head | Mechanic | Oklahoma |
| 53 | Georgetta Welch | 29 | Wife | — | Oklahoma |
| 54 | Elliott Brooks | 52 | Head | Drafting Engr | Colorado |
| 55 | Pearl Brooks | 48 | Wife | — | California |
| 56 | Barbara Brooks | 18 | Daughter | New Worker | California |
| 57 | June Brooks | 14 | Daughter | — | California |
| 58 | Peter Johanson | 51 | Head | Cook | Greece |
| 59 | Evelyn Johanson | 38 | Wife | — | Illinois |
| 60 | Helen Johanson | 14 | Daughter | — | Illinois |
| 61 | Patricia Johanson | 8 | Daughter | — | California |
| 62 | Theodore Johanson | 4 | Son | — | California |
| 63 | Charles H Mudary | 59 | Head | Night Watchman | Canada |
| 64 | Sophia Paddock | 54 | Head | — | Missouri |
| 65 | Daisy Paddock | 29 | Daughter | — | Kansas |
| 66 | David Paddock | 22 | Son | Mill Helper | Kansas |
| 67 | Dave Mattis | 24 | Lodger | Warehouseman | Pennsylvania |
| 68 | Ruth Krogstad | 41 | Head | — | No Dakota |
| 69 | Kenneth Krogstad | 25 | Son | Mechanic | No Dakota |
| 70 | John Krogstad | 24 | Son | Butcher | No Dakota |
| 71 | William Curl | 43 | Head | Machinist | Arkansas |
| 72 | Nellie Curl | 41 | Wife | — | Tennessee |
| 73 | Robert Curl | 12 | Son | — | California |
| 74 | Oscar Summers | 53 | Head | Locomotive Engineer | Missouri |
| 75 | Berenice Summers | 49 | Wife | — | Kansas |
| 76 | Lewis Summers | 19 | Son | Ice Cream Maker | California |
| 77 | Robert Summers THIS PERSON | 17 | Son | — | California |
| 78 | Oscar Summers | 15 | Son | — | California |
| 79 | Clinton Summers | 11 | Son | — | California |
| 80 | Margaret Summers | 8 | Daughter | — | 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)