RL
Robert Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Kansas
Our Model Tree links this Robert Leonard across the 1920, 1930 and 1940 US Censuses in Linn-County, Kansas (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Kansas |
| Surname | Leonard |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Blue Mound |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Paul Leonard | Son | — | 14 | ~1926 |
| Ann Leonard | Daughter | — | 20 | ~1920 |
| Robert Leonard | Head | — | 45 | ~1895 |
| Anna Leonard | Spouse | — | 48 | ~1892 |
| Ralph Leonard | Son | — | 12 | ~1928 |
| Robert Leonard | Son | — | 21 | ~1919 |
| Marion Leonard | Daughter | — | 17 | ~1923 |
Census Appearances
1920
Linn, Kansas
Son, age 1
Linn, Kansas · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Linn, Kansas
Son, age 11
Linn, Kansas · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Robert Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Linn-County, Kansas
Son, age 21
Linn-County, Kansas · implied b. ~1919 — 7 household members
| Surname | Leonard |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Robert Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Leonard (~0.92 confidence) and father Robert Leonard (~0.92 confidence) and mother Agnes Leonard (~0.92 confidence) and mother Anna Leonard (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Leonard
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Robert Leonard
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Agnes Leonard
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Anna Leonard
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Leonard
Son · 1940 · age 21 · b. ~1919 · Kansas
★ You are viewing this record
Sibling
Marion Leonard
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Leonard
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Leonard
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Leonard
Sibling · 1940 · age 20
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 — Linn-County, Kansas
Open full size
1940 US Federal Census — Linn-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01241-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Bayley | 54 | Wife | — | Missouri |
| 42 | Richard Smith | 67 | Head | Laborer | New York |
| 43 | Melvin Smith | 23 | Son | — | Kansas |
| 44 | T. H. Johnson | 63 | Head | Farmer | Kansas |
| 45 | Evelyn Johnson | 43 | Wife | — | Kansas |
| 46 | Mary Johnson | 15 | Daughter | — | Kansas |
| 47 | Mildred Johnson | 12 | Daughter | — | Kansas |
| 48 | Albert Johnson | 10 | Son | — | Kansas |
| 49 | Harold Johnson | 9 | Son | — | Kansas |
| 50 | Robert Johnson | 7 | Son | — | Kansas |
| 51 | Alice Johnson | 5 | Daughter | — | Kansas |
| 52 | Frankie Johnson | 3 | Son | — | Kansas |
| 53 | Kenneth Johnson | 0 | Son | — | Kansas |
| 54 | E. H. Robinson | 63 | Head | Farmer | Missouri |
| 55 | Ella Robinson | 67 | Wife | — | Kansas |
| 56 | Byron D. Paddock | 42 | Head | Farmer | Kansas |
| 57 | Dora K. Paddock | 67 | Mother | — | Michigan |
| 58 | Robert A. Leonard | 45 | Head | Farmer | Kansas |
| 59 | Anna Leonard | 48 | Wife | — | Kansas |
| 60 | Robert Leonard THIS PERSON | 21 | Son | Laborer | Kansas |
| 61 | Ann Leonard | 20 | Daughter | Laborer | Kansas |
| 62 | Marion Leonard | 17 | Daughter | Laborer | Kansas |
| 63 | Paul Leonard | 14 | Son | Laborer | Kansas |
| 64 | Ralph Leonard | 12 | Son | — | Kansas |
| 65 | Claude Hogan | 53 | Head | Farmer | Missouri |
| 66 | Chas. Otton | 52 | Head | Farmer | Missouri |
| 67 | Faye Otton | 37 | Wife | — | Iowa |
| 68 | Elmer Otton | 18 | Son | Laborer | Kansas |
| 69 | Dale Otton | 13 | Son | — | Kansas |
| 70 | D. E. Wright | 71 | Head | Farmer | Illinois |
| 71 | Alice Wright | 53 | Wife | — | Kansas |
| 72 | Ernest Wright | 26 | Son | Farmer | Kansas |
| 73 | Harold Wright | 21 | Son | Farmer | Kansas |
| 74 | J. B. Wengert | 83 | Head | Farmer | Pennsylvania |
| 75 | Daisy Wengert | 75 | Wife | — | Kentucky |
| 76 | Clyde Boyd | 30 | Head | Farmer | Kansas |
| 77 | Velma Boyd | 26 | Wife | — | Kansas |
| 78 | Jerry Gene Boyd | 3 | Son | — | Kansas |
| 79 | Geo. E. New | 47 | Head | Farmer | Missouri |
| 80 | Nancy New | 36 | Wife | — | Kansas |
Pedigree Summary
Robert + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)