JL
John Leonard — 1930 US Census Record
Model Tree available1930 United States Federal Census · Sheboygan, Wisconsin
Our Model Tree links this John Leonard across the 1920, 1930 and 1940 US Censuses in Sheboygan, Wisconsin (XGBoost, ~Confirmed), with identified parents Katherine & Katherine — first a son (b.~1884), then head of a 5-person household.
Age 46
b. ~1884
Male
Son
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sheboygan, Wisconsin |
| Surname | Leonard |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer Farm |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer Farm |
| Township / Ward | Rhine Township |
| Est. Birth Year | ~1884 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Louisa Leonard | Daughter | — | 41 | ~1889 |
| John Leonard | Head | — | 72 | ~1858 |
| Frances Leonard | Other | — | 66 | ~1864 |
| John Leonard | Son | — | 46 | ~1884 |
| Katherine Leonard | Spouse | — | 74 | ~1856 |
Census Appearances
1920
Sheboygan, Wisconsin
Son, age 35
Sheboygan, Wisconsin · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Sheboygan, Wisconsin
Son, age 46
Sheboygan, Wisconsin · implied b. ~1884 — 5 household members
| Surname | Leonard |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer Farm |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Sheboygan-County, Wisconsin
Head, age 56
Sheboygan-County, Wisconsin · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lenard |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Rhine Town |
| 1935 Residence (County) | Sheboygan |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Katherine Leonard (~0.92 confidence) and mother Katherine Leonard (~0.92 confidence) and father John Leonard (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Katherine Leonard
b. ~1856
Source mother
● Household
· direct · ~0.92
Mother
Katherine Leonard
b. ~1857
Source mother
● Household
· direct · ~0.92
Father
John Leonard
b. ~1858
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Leonard
Son · 1930 · age 46 · b. ~1884 · Wisconsin
★ You are viewing this record
Sibling
Louisa Leonard
Sibling · 1930 · age 41
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 — Sheboygan, Wisconsin
Open full size
1930 US Federal Census — Sheboygan, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2613unit:0030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Gilsdorf | 64 | Head | Farmer | Wisconsin |
| 2 | Margaret Gilsdorf | 56 | Wife | — | Wisconsin |
| 3 | Norbert R Gilsdorf | 31 | Son | Laborer Farm | Wisconsin |
| 4 | Cecilia M Gilsdorf | 22 | Daughter | — | Wisconsin |
| 5 | Christian Schmahl | 74 | Head | Farmer | Wisconsin |
| 6 | Elizabeth Schmahl | 66 | Wife | — | Wisconsin |
| 7 | Milton Schmahl | 31 | Son | Laborer Farm | Wisconsin |
| 8 | Elenora L Schmahl | 28 | Daughter | Servant | Wisconsin |
| 9 | Lloyd N Schmahl | 3 | Grandson | — | Wisconsin |
| 10 | Birdie L Jung | 7 | Granddaughter | — | Wisconsin |
| 11 | John Leonard | 72 | Head | Farmer | Wisconsin |
| 12 | Katherine Leonard | 74 | Wife | — | Pennsylvania |
| 13 | John W Leonard THIS PERSON | 46 | Son | Laborer Farm | Wisconsin |
| 14 | Louisa M Leonard | 41 | Daughter | — | Wisconsin |
| 15 | Frances Leonard | 66 | Sister | — | Wisconsin |
| 16 | George Brechtheimer | 41 | Head | Farmer | Wisconsin |
| 17 | Bertha Brechtheimer | 41 | Wife | — | Wisconsin |
| 18 | Eugene Brechtheimer | 16 | Son | — | Wisconsin |
| 19 | Evangeline Brechtheimer | 12 | Daughter | — | Wisconsin |
| 20 | Leland Brechtheimer | 7 | Son | — | Wisconsin |
| 21 | George Horneck | 69 | Father in law | — | Wisconsin |
| 22 | Katie Horneck | 67 | Mother in law | — | Wisconsin |
| 23 | William Schmahl | 40 | Head | Farmer | Wisconsin |
| 24 | Annie Schmahl | 39 | Wife | — | Wisconsin |
| 25 | Marion Schmahl | 12 | Daughter | — | Wisconsin |
| 26 | Kathryn Schmahl | 10 | Daughter | — | Wisconsin |
| 27 | Leonard Schmahl | 5 | Son | — | Wisconsin |
| 28 | Charles Schmahl | 1 | Son | — | Wisconsin |
| 29 | Paulina Jung | 62 | Head | Farmer | Wisconsin |
| 30 | Milton Jung | 21 | Son | Hired Man | Wisconsin |
| 31 | Alice Jung | 15 | Daughter | — | Wisconsin |
| 32 | Ella Jung | 29 | Daughter | Servant | Wisconsin |
| 33 | Dietrich Jung | 31 | Son in law | Farmer | Wisconsin |
| 34 | Deloris Bruska | 1 | Granddaughter | — | Wisconsin |
| 35 | George Mayer | 34 | Head | Farmer | Wisconsin |
| 36 | Ida Mayer | 30 | Wife | — | Wisconsin |
| 37 | Harry J Mayer | 8 | Son | — | Wisconsin |
| 38 | Mabel Mayer | 3 | Daughter | — | Wisconsin |
| 39 | John Peter | 51 | Head | Farmer | Bavaria |
| 40 | Ella Peter | 41 | Wife | — | Wisconsin |
| 41 | Arno A Peter | 21 | Son | Laborer Farm | Wisconsin |
| 42 | Erna A Peter | 14 | Daughter | — | Wisconsin |
| 43 | Edna A Peter | 11 | Daughter | — | Wisconsin |
| 44 | Alma Jochmann | 51 | Sister in law | — | Wisconsin |
| 45 | John H Hessinger | 46 | Head | Retail | Wisconsin |
| 46 | Nelda Hessinger | 46 | Wife | — | Wisconsin |
| 47 | Esther Sebald | 21 | Servant | Sales Lady | Wisconsin |
| 48 | Caroline Wolf | 67 | Head | — | Wisconsin |
| 49 | Herbert Stornech | 40 | Head | Cheese Maker | Wisconsin |
| 50 | Hildegarde Stornech | 37 | Wife | — | Wisconsin |
Pedigree Summary
John + 1 sibling
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)