JC
John Cain — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Cain across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 4-person household.
Age 59
b. ~1881
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Cain |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1881 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cain | Head | — | 59 | ~1881 |
| Helen Cain | Spouse | — | 58 | ~1882 |
| James Cain | Son | — | 29 | ~1911 |
| John Cain | Son | — | 24 | ~1916 |
Census Appearances
1920
Los Angeles, …
Head, age 39
Los Angeles, California · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cain |
| Given Name | John C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Canada |
| Mother's Birthplace | Ireland |
| Occupation | Agent |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Los Angeles, …
Head, age 49
Los Angeles, California · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cann |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Canada |
| Mother's Birthplace | No. Ireland |
| Occupation | Appraiser |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Los-Angeles-County, California
Head, age 59
Los-Angeles-County, California · implied b. ~1881 — 4 household members
| Surname | Cain |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Cain across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cain
Head · 1940 · age 59 · b. ~1881 · California
★ You are viewing this record
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
39 people indexed on this census page (nara:1940:m-t0627-00392-00221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna B. Sundholm | 67 | Head | Practical Nurse | Sweden |
| 2 | Myrtle Joyce | 70 | Head | — | Kansas |
| 3 | Walter Harper | 46 | Head | Auto Park Attendant | Illinois |
| 4 | Jean Harper | 36 | Wife | — | Canada English |
| 5 | Charles Wilkins (Henderson) | 67 | Head | — | Iowa |
| 6 | Dahis Wilkins (Henderson) | 60 | Wife | Realtor | Virginia |
| 7 | Helen Starner | 81 | Head | — | Iowa |
| 8 | Dessie Welfare | 72 | Head | — | Iowa |
| 9 | Marvin Schiff | 35 | Head | Retail Sales | Illinois |
| 10 | Dorothy Schiff | 25 | Wife | — | California |
| 11 | Radna Griffin | 75 | Head | — | Norway |
| 12 | Nellie P. Talmadge | 73 | Head | — | New York |
| 13 | Margaret Collins | 58 | Maid | Cook-Companion | Iowa |
| 14 | Sarah F. Wharton | 66 | Head | — | Indiana |
| 15 | Elizabeth H. Smillis | 65 | Head | — | England |
| 16 | Frank Friedman | 45 | Head | Secretary | Alabama |
| 17 | Martin G. Maslach | 47 | Head | Laborer | Jugo Slavia |
| 18 | Ruth Maslach | 45 | Wife | — | California |
| 19 | Eva Maslach | 22 | Daughter | — | California |
| 20 | Henry T. Coffee | 24 | Lodger | — | Georgia |
| 21 | Geo. Wenrick | 54 | Lodger | Linotype Opr | Illinois |
| 22 | Robert Coghill | 67 | Lodger | — | Ohio |
| 24 | Margaret Torin | 64 | Head | — | Kentucky |
| 25 | Benjamin Cole | 50 | Lodger | Garage Mechanic | Michigan |
| 26 | Donnelly Morrow | 39 | Lodger | Attendant | Kansas |
| 27 | Joseph Scubey | 45 | Lodger | — | Iowa |
| 28 | Beatrice Gustafson | 58 | Head | Maid & Companion | England |
| 29 | Rudolph R. Moche | 41 | Head | Waiter | Germany |
| 30 | Mary Cass | 37 | Head | — | Massachusetts |
| 31 | George H. Hedges | 71 | Head | — | England |
| 32 | Arthur Bunniman | 65 | Head | Janitor | Pennsylvania |
| 33 | Henry L. Chapin | 88 | Head | — | Massachusetts |
| 34 | Mary M. Chapin | 81 | Wife | — | Ohio |
| 35 | Alice Gross | 53 | Housekeeper | Housekeeper | Pennsylvania |
| 36 | John C. Cain THIS PERSON | 59 | Head | — | Iowa |
| 37 | Helen E. Cain | 58 | Wife | — | Illinois |
| 38 | James R. Cain | 29 | Son | Collector | California |
| 39 | John C. Jr. Cain | 24 | Son | New Worker | California |
| 40 | Daisy H. Sickles | 56 | Head | Landlady | New Jersey |
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)