JL
John Linn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Linn across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 5-person household.
Age 19
b. ~1921
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Linn |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| John Linn | Son | — | 19 | ~1921 |
| Opal Linn | Spouse | — | 51 | ~1889 |
| Richard Linn | Son | — | 11 | ~1929 |
| William Linn | Son | — | 23 | ~1917 |
| Charles Linn | Head | — | 46 | ~1894 |
Census Appearances
1930
Los Angeles, …
Son, age 9
Los Angeles, California · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lion |
| Given Name | John-R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 19
Los-Angeles-County, California · implied b. ~1921 — 5 household members
| Surname | Linn |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | Hs 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 Linn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Linn
Son · 1940 · age 19 · b. ~1921 · California
★ You are viewing this record
Sibling
William Linn
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Linn
Sibling · 1940 · age 11
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-t0627-00393-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles R Linn | 46 | Head | Owner Manager | Illinois |
| 2 | Opal Linn | 51 | Wife | — | Kansas |
| 3 | William Linn | 23 | Son | — | California |
| 4 | John R Linn THIS PERSON | 19 | Son | — | California |
| 5 | Richard Linn | 11 | Son | — | California |
| 6 | Robert De Grasse | 40 | Head | Camera Man | New Jersey |
| 7 | Eva De Grasse | 41 | Wife | — | England |
| 8 | Joan De Grasse | 10 | Daughter | — | California |
| 9 | Milton L Essig | 60 | Head | Passenger Agent | New York |
| 10 | Mabel C Essig | 45 | Wife | Baker | Montana |
| 11 | Miles M Smith | 48 | Head | Copywriter | Minnesota |
| 12 | Grace T Smith | 50 | Wife | — | Illinois |
| 13 | Miles M Jr Smith | 12 | Son | — | California |
| 14 | George S Schram | 42 | Head | Salesman | Texas |
| 15 | Bertha P Schram | 40 | Wife | — | Texas |
| 16 | William S Schram | 8 | Son | — | California |
| 17 | Earl C Masten | 52 | Head | Voice Teacher | Nebraska |
| 18 | Marjory O Masten | 47 | Wife | — | Kansas |
| 19 | Stuart Ratliff | 23 | Step-son | Lecturer | California |
| 20 | Esther Coster | 52 | Head | — | Russia |
| 21 | Ann Coster | 25 | Daughter | Musician | New York |
| 22 | Victoria Coster | 21 | Daughter | — | New York |
| 23 | Edward A Ludlam | 51 | Head | Electrical Tester | Iowa |
| 24 | Belle R Ludlam | 50 | Wife | — | Connecticut |
| 25 | Gladys Ludlam | 22 | Daughter | Teacher | Illinois |
| 26 | Paul O Baumann | 42 | Head | Purchasing Agent | Ohio |
| 27 | Elizabeth W Baumann | 35 | Wife | Accountant | California |
| 28 | Ursula L Baumann | 5 | Daughter | — | California |
| 29 | Walter Pothaller | 37 | Head | Carpenter | Kentucky |
| 30 | Helen Pothaller | 33 | Wife | — | Ohio |
| 31 | Walter Jr Pothaller | 10 | Son | — | California |
| 32 | Harry Pothaller | 8 | Son | — | California |
| 33 | Eric C Larson | 34 | Head | Artist | Utah |
| 34 | Gertrude Larson | 35 | Wife | — | Germany |
| 35 | Richard W Jewett | 34 | Head | Salesman | New Jersey |
| 36 | Katherine Jewett | 34 | Wife | — | New York |
| 37 | Sol Younes | 55 | Head | Meat Chopper | Russia |
| 38 | Fay Younes | 45 | Wife | — | Russia |
| 39 | James L Cullen | 24 | Head | Engineer | California |
| 40 | Edith Cullen | 22 | Wife | — | California |
Related Census Records
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)