ML
Mary Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Labette-County, Kansas
Our Model Tree links this Mary Leonard across the 1910, 1920, 1930 and 1940 US Censuses in Labette-County, Kansas (XGBoost, ~Confirmed), with identified parents Abner & Helen — first a daughter (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Labette-County, Kansas |
| Surname | Leonard |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Parsons |
| 1935 Residence (County) | Labette |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Fire Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1378 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Stenographer |
| Township / Ward | Parsons |
| Est. Birth Year | ~1910 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Leonard | Daughter | — | 30 | ~1910 |
| Helen Rea | Daughter | — | 40 | ~1900 |
| Helen Leonard | Head | — | 64 | ~1876 |
| La Rea | Other | — | 15 | ~1925 |
Census Appearances
1910
Labette, Kansas
Daughter, age
Labette, Kansas · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Labette, Kansas
Daughter, age 10
Labette, Kansas · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Labette, Kansas
Daughter, age 20
Labette, Kansas · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Stenographer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Labette-County, Kansas
Daughter, age 30
Labette-County, Kansas · implied b. ~1910 — 4 household members
| Surname | Leonard |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Parsons |
| 1935 Residence (County) | Labette |
| Occupation | Stenographer |
| Industry | Fire Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1378 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Mary Leonard across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abner Leonard (~0.92 confidence) and mother Helen Leonard (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abner Leonard
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Helen Leonard
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Leonard
Daughter · 1940 · age 30 · b. ~1910 · Kansas
★ You are viewing this record
Sibling
Helen Rea
Sibling · 1940 · age 40
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 — Labette-County, Kansas
Open full size
1940 US Federal Census — Labette-County, Kansas
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01239-00740)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred E. Garrison | 51 | Head | Owner Manager | Kansas |
| 42 | Ethel Garrison | 52 | Wife | Barber | Missouri |
| 43 | Theodore W. Austin | 48 | Head | Barber | Louisiana |
| 44 | Blanche M. Austin | 44 | Wife | — | Kansas |
| 45 | Fred Widner | 65 | Head | Conductor | Illinois |
| 46 | Anna Widner | 64 | Wife | — | Missouri |
| 47 | Faye Taylor | 46 | Head | Teaching Music | Kansas |
| 48 | Elizabeth B. Taylor | 77 | Mother | — | Iowa |
| 49 | Victor H. Hart | 45 | Head | Store Man | Kansas |
| 50 | Charles V. Hart | 20 | Son | New Worker | Kansas |
| 51 | Angeline A. Hart | 63 | Mother | — | Missouri |
| 52 | Gustave W. Dyer | 63 | Head | Machinist | Massachusetts |
| 53 | Florence Dyer | 61 | Wife | — | Kansas |
| 54 | Fred E. Clodgio | 65 | Head | Locomotive Engineer | Illinois |
| 55 | Jennie M. Clodgio | 66 | Wife | — | Missouri |
| 56 | James E. Moore | 69 | Head | — | Iowa |
| 57 | Lola Ava Moore | 67 | Wife | — | Missouri |
| 58 | Ava Faye Moore | 26 | Niece | — | Missouri |
| 59 | Helen Leonard | 64 | Head | — | Missouri |
| 60 | Mary Leonard THIS PERSON | 30 | Daughter | Stenographer | Kansas |
| 61 | Helen Rea | 40 | Daughter | Bookkeeper | Missouri |
| 62 | La Verne Rea | 15 | Granddaughter | — | Texas |
| 63 | Chester J. Lancaster | 46 | Head | Locomotive Fireman | Kansas |
| 64 | Viola Lancaster | 47 | Wife | — | Kansas |
| 65 | Robert Lancaster | 12 | Son | — | Kansas |
| 66 | Dorothy M. Lancaster | 9 | Daughter | — | Kansas |
| 67 | Anna Maus | 63 | Head | — | Kansas |
| 68 | Clyda Stone | 45 | Head | Attendant | S. Carolina |
| 69 | Oscar Adcock | 8 | Son | — | Kansas |
| 70 | Wellington Hurst | 59 | Lodger | Farmer | Illinois |
| 71 | Lydia Hurst | 55 | Lodger | — | Illinois |
| 74 | James A. Kindig | 79 | Head | — | Illinois |
| 75 | Lucy Anna Kindig | 77 | Wife | — | Massachusetts |
| 76 | Shelby Taylor | 35 | Head | Machinist | Kansas |
| 77 | Belva Taylor | 32 | Wife | — | Kansas |
| 78 | Shelby Eugene Taylor | 12 | Son | — | Kansas |
| 79 | Davie Lee Taylor | 7 | Son | — | Kansas |
| 80 | Charlie Ray Taylor | 5 | Son | — | Kansas |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 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)