LJ
Leonard Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Chautauqua, New York
Our Model Tree links this Leonard Johnson across the 1920, 1930 and 1940 US Censuses in Chautauqua, New York (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a son (b.~1919), then head of a 3-person household.
Age 11
b. ~1919
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Chautauqua, New York |
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Grocery Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Proprietor |
| Township / Ward | Jamestown City |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Edward Johnson | Head | — | 33 | ~1897 |
| Ada Johnson | Other | — | 32 | ~1898 |
| Leonard Johnson | Son | — | 11 | ~1919 |
Census Appearances
1920
Chautauqua, New …
Son, age 1
Chautauqua, New York · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Chautauqua, New …
Son, age 11
Chautauqua, New York · implied b. ~1919 — 3 household members
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Sweden |
| Occupation | Proprietor |
| Industry | Grocery Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Chautauqua-County, New …
Other, age 21
Chautauqua-County, New York · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lenard A. |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Jamestown city |
| 1935 Residence (County) | Chautauqua |
| Occupation | Hanger |
| Industry | Steel Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 694 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Leonard Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Johnson (~0.92 confidence) and father Edward Johnson (~0.92 confidence) and mother Ada Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Johnson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Edward Johnson
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Ada Johnson
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Johnson
Son · 1930 · age 11 · b. ~1919 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Chautauqua, New York
Open full size
1930 US Federal Census — Chautauqua, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1413ns:0656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Axel Swanson | 37 | Head | Toolmaker | Sweden |
| 2 | Gerda Swanson | 38 | Wife-H | None | Sweden |
| 3 | Evelyn Swanson | 12 | daughter | None | New York |
| 4 | Lloyd Swanson | 10 | son | None | New York |
| 5 | Martha Swanson | 6 | daughter | None | New York |
| 6 | Edward Johnson | 33 | Head | — | Pennsylvania |
| 7 | Ada Johnson | 32 | Wife-H | Proprietor | Sweden |
| 8 | Leonard Johnson THIS PERSON | 11 | son | Proprietor | New York |
| 9 | Seth G. Thomas | 29 | Head | None | Pennsylvania |
| 10 | Lillian C. Thomas | 26 | Wife-H | Revision Clerk | New York |
| 11 | Ludwig Peterson | 42 | Head | Metal Worker | Sweden |
| 12 | Helena Peterson | 32 | Wife-H | None | Pennsylvania |
| 13 | Lillian Peterson | 10 | daughter | — | New York |
| 14 | Robert Peterson | 8 | son | — | New York |
| 15 | Carl V. Lundquist | 39 | Head | Carpenter | Pennsylvania |
| 16 | Hilda Lundquist | 41 | Wife-H | None | Pennsylvania |
| 17 | Viola M. Lundquist | 15 | daughter | None | Pennsylvania |
| 18 | Victoria L. Lundquist | 14 | daughter | None | Pennsylvania |
| 19 | Vivian E. Lundquist | 12 | daughter | None | Pennsylvania |
| 20 | Edith E. Lundquist | 10 | daughter | None | Pennsylvania |
| 21 | Hugo C. Lundquist | 5 | son | None | New York |
| 22 | Walter Peterson | 24 | Brother-in-law | Salesman | Pennsylvania |
| 23 | Edward Berggren | 38 | Head | Finisher | New York |
| 24 | Mildred Berggren | 36 | Wife-H | None | New York |
| 25 | Myron A. Keefe | 46 | Head | Sanitary Engineer | Pennsylvania |
| 26 | S. Anna Keefe | 48 | Wife-H | None | England |
| 27 | H. Elizabeth Keefe | 10 | daughter | None | New York |
| 28 | Bernard Martinson | 41 | Head | Metal Worker | Sweden |
| 29 | Jennie M. Martinson | 41 | Wife-H | None | Sweden |
| 30 | Lillian Martinson | 16 | daughter | None | New York |
| 31 | Bertil Martinson | 14 | son | None | New York |
| 32 | Everett E. Eastman | 40 | Head | Letter Carrier | Michigan |
| 33 | Hazel M. Eastman | 33 | Wife-H | None | Massachusetts |
| 34 | Everett Jr. Eastman | 12 | son | None | Massachusetts |
| 35 | Henry E. Eastman | 10 | son | None | Massachusetts |
| 36 | Margaret L. Eastman | 4 | daughter | None | Massachusetts |
| 37 | Russell H. Eastman | 2 | son | None | Massachusetts |
| 38 | Robert C. Jernberg | 51 | Head | Trimmer | Sweden |
| 39 | Ida C. Jernberg | 52 | Wife-H | None | Sweden |
| 40 | Henry E. Jernberg | 28 | son | Presser | Sweden |
| 41 | Helga C. Jernberg | 27 | son | Commercial Trav. | Sweden |
| 42 | Louise H. Jernberg | 16 | daughter | None | New York |
| 43 | Florence E. Jernberg | 13 | daughter | None | New York |
| 44 | Carl O. Crann | 54 | Head | Miller | Sweden |
| 45 | Mathilda Crann | 56 | Wife-H | None | Sweden |
| 46 | Walter Crann | 21 | son | Welder | New York |
| 47 | August Crann | 17 | son | Sandpaper | New York |
| 48 | Arvid Wernberg | 33 | Head | Cabinet Maker | Sweden |
| 49 | Anna Wernberg | 32 | Wife-H | None | Sweden |
| 50 | Harry Wernberg | 1 | son | None | New York |
Pedigree Summary
Leonard
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)