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John Ritter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Imperial-County, California
Our Model Tree links this John Ritter across the 1930 and 1940 US Censuses in Imperial-County, California (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Imperial-County, California |
| Surname | Ritter |
| Given Name | John W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Imperial |
| 1935 Residence (County) | Imperial |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Est. Birth Year | ~1928 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elise Ritter | Spouse | — | 46 | ~1894 |
| John Ritter | Head | — | 51 | ~1889 |
| Fred Ritter | Son | — | 20 | ~1920 |
| John Ritter | Son | — | 12 | ~1928 |
| Max Ritter | Son | — | 17 | ~1923 |
Census Appearances
1930
Imperial, California
Son, age 2
Imperial, California · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ritter |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Imperial-County, California
Son, age 12
Imperial-County, California · implied b. ~1928 — 5 household members
| Surname | Ritter |
| Given Name | John W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Imperial |
| 1935 Residence (County) | Imperial |
| Highest Grade | No 4 |
| 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 John Ritter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Ritter
Son · 1940 · age 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Max Ritter
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Ritter
Sibling · 1940 · age 20
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 — Imperial-County, California
Open full size
1940 US Federal Census — Imperial-County, California
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-00210-00499)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Antonio Martinez | 18 | son | Farm Laborer | Mexico |
| 2 | Guadalupe Martinez | 15 | daughter | — | Mexico |
| 3 | William H Spurlock | 65 | head | Sheepherder | Illinois |
| 4 | George L Carver | 43 | head | Farm Laborer | Kansas |
| 5 | State Q White | 39 | head | Farm Laborer | Kansas |
| 6 | Irene Trujillo | 39 | friend | — | California |
| 7 | Ando Q Maldonado | 45 | head | Farm Labor | Mexico |
| 8 | Felix Carmona | 34 | partner | Farm Labor | Mexico |
| 9 | Prilo Trejo | 31 | partner | Farm Labor | Mexico |
| 10 | Isavel Soto | 39 | partner | Farm Labor | Mexico |
| 11 | John Ritter | 51 | head | Farmer | Switzerland |
| 12 | Elise Ritter | 46 | wife | — | Switzerland |
| 13 | Fred Ritter | 20 | son | Farm Labor | California |
| 14 | Max Ritter | 17 | son | Farm Labor | California |
| 15 | John W Ritter THIS PERSON | 12 | son | — | California |
| 16 | Grace N Walker | 48 | head | — | Texas |
| 17 | John L Walker | 28 | son | Farm Labor | Texas |
| 18 | William H Walker | 26 | son | Farm Labor | Texas |
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)