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John Cummings — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ventura, California
Our Model Tree links this John Cummings across the 1920 and 1930 US Censuses in Ventura, California (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 20-person household.
Age 17
b. ~1913
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ventura, California |
| Surname | Cummings |
| Given Name | John W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Fillmore Township Part |
| Est. Birth Year | ~1913 |
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.
20 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ygnacia Cortezena | Daughter | — | ~1930 | |
| Janet Fremlin | Daughter | — | 6 | ~1924 |
| Vera Fremlin | Daughter | — | 21 | ~1909 |
| Ruth Fremlin | Daughter | — | 17 | ~1913 |
| Julia Cortezena | Daughter | — | 2 | ~1928 |
| John Cummings | Head | — | 48 | ~1882 |
| Rudolph Fremlin | Other | — | 53 | ~1877 |
| Angelica Cortezena | Other | — | 25 | ~1905 |
| Mary Cortezena | Other | — | 28 | ~1902 |
| Estanislao Cortezena | Other | — | 33 | ~1897 |
| Stella Fremlin | Other | — | 39 | ~1891 |
| Antonio Cortezena | Son | — | ~1930 | |
| William Cummings | Son | — | 5 | ~1925 |
| John Cummings | Son | — | 17 | ~1913 |
| Ruben Cortezena | Son | — | 1 | ~1929 |
| Ray Fremlin | Son | — | 11 | ~1919 |
| Kenneth Cummings | Son | — | 14 | ~1916 |
| Guy Fremlin | Son | — | 18 | ~1912 |
| Donald Cummings | Son | — | 9 | ~1921 |
| Annie Cummings | Spouse | — | 44 | ~1886 |
Census Appearances
1920
Ventura, California
Son, age 7
Ventura, California · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | John D. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Illinois |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Ventura, California
Son, age 17
Ventura, California · implied b. ~1913 — 20 household members
| Surname | Cummings |
| Given Name | John W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| 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 Cummings across 2 US Census years (1920 and 1930) in Ventura, California, using XGBoost record linkage.
Show:
This person
Anchor record
John Cummings
Son · 1930 · age 17 · b. ~1913 · California
★ You are viewing this record
Sibling
Kenneth Cummings
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Guy Fremlin
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Fremlin
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Cummings
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Fremlin
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruben Cortezena
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Fremlin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antonio Cortezena
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ygnacia Cortezena
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Fremlin
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Cortezena
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cummings
Sibling · 1930 · age 5
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 — Ventura, California
Open full size
1930 US Federal Census — Ventura, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel227:0148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John S Cummings | 48 | Head | Manager | Nebraska |
| 2 | Annie Cummings | 44 | Wife | — | Illinois |
| 3 | John W Jr Cummings THIS PERSON | 17 | Son | — | California |
| 4 | Kenneth O Cummings | 14 | Son | — | Oklahoma |
| 5 | Donald F Cummings | 9 | Son | — | California |
| 6 | William B Cummings | 5 | Son | — | California |
| 7 | Rudolph A Fremlin | 53 | O | Manager | England |
| 8 | Stella Fremlin | 39 | Wife-H | — | Indiana |
| 9 | Vera A Fremlin | 21 | daughter | Student | California |
| 10 | Guy A Fremlin | 18 | son | Student | California |
| 11 | Ruth A Fremlin | 17 | daughter | — | California |
| 12 | Ray A Fremlin | 11 | son | — | California |
| 13 | Janet A Fremlin | 6 | daughter | — | California |
| 14 | Estanislao Cortezena | 33 | R | Laborer | Mexico |
| 15 | Angelica Cortezena | 25 | Wife-H | — | Mexico |
| 16 | Julia Cortezena | 2 | daughter | — | California |
| 17 | Ruben Cortezena | 1 | son | — | California |
| 18 | Antonio Cortezena | 0 | son | — | Arizona |
| 19 | Ygnacia Cortezena | 0 | daughter | — | Mexico |
| 20 | Mary Cortezena | 28 | sister | — | Mexico |
| 21 | Eugene A Snow | 68 | Head | Laborer | Minnesota |
| 22 | Claude W Coberly | 30 | Head | Laborer | Kansas |
| 23 | Rolande Coberly | 23 | Wife-H | — | Missouri |
| 24 | Delores L Coberly | 1 | daughter | — | California |
| 25 | Claude W Jr Coberly | 0 | son | — | California |
| 26 | Howard S Rogers | 54 | father-in-law | Laborer | Missouri |
| 27 | Eklay E Rogers | 14 | brother-in-law | — | Missouri |
| 28 | Vera A Rogers | 12 | sister-in-law | — | Missouri |
| 29 | Richard W Applegate | 23 | Head | Laborer | Missouri |
| 30 | Velma E Applegate | 22 | wife-H | — | Oklahoma |
| 31 | Radine Applegate | 2 | daughter | — | Oklahoma |
| 32 | Richard W Jr Applegate | 0 | son | — | California |
| 33 | Floyd C Loss | 25 | Head | Laborer | Oklahoma |
| 34 | Theta Loss | 18 | wife-H | — | Missouri |
| 35 | William C Coleman | 39 | Head | Proprietor | Texas |
| 36 | Stella N Coleman | 27 | wife-H | — | Texas |
| 37 | Nadine L Coleman | 8 | daughter | — | Oklahoma |
| 38 | Charles P Cochran | 40 | Head | Laborer | New Mexico |
| 39 | Hazel R Cochran | 34 | wife-H | — | Kansas |
| 40 | Helen E Cochran | 8 | daughter | — | California |
| 41 | Raymond E Cochran | 5 | son | — | California |
| 42 | Milo H Heller | 53 | Head | Manager | California |
| 43 | Hilma A Heller | 50 | wife-H | Teacher | Iowa |
| 44 | Hilma Heller | 16 | daughter | — | California |
| 45 | Henry W Heller | 11 | son | — | California |
| 46 | Abbie Heller | 85 | mother | — | New York |
| 47 | Anna Hackerson | 70 | mother-in-law | — | Sweden |
| 48 | Thomas G Lombard | 29 | Head | Manager | Switzerland |
| 49 | Nilla Lombard | 27 | wife-H | — | Switzerland |
| 50 | Andrew C Richland | 28 | Head | Laborer | Tennessee |
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)