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Edward Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mchenry-County, Illinois
Our Model Tree links this Edward Leonard across the 1910, 1920, 1930 and 1940 US Censuses in Mchenry-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mchenry-County, Illinois |
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | McHenry |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 82 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Hartland Township |
| Est. Birth Year | ~1902 |
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 Edward | Age | Birth yr |
|---|---|---|---|---|
| Edward Leonard | Head | — | 38 | ~1902 |
| Gladys Leonard | Spouse | — | 36 | ~1904 |
| Marietta Leonard | Daughter | — | 14 | ~1926 |
| Francis Leonard | Son | — | 16 | ~1924 |
Census Appearances
1910
Mchenry, Illinois
Other, age 8
Mchenry, Illinois · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Mchenry, Illinois
Other, age 17
Mchenry, Illinois · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | stepson |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Teamster |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mchenry, Illinois
Head, age 27
Mchenry, Illinois · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | County Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mchenry-County, Illinois
Head, age 38
Mchenry-County, Illinois · implied b. ~1902 — 4 household members
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | McHenry |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 82 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Edward Leonard across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Edward Leonard
Head · 1940 · age 38 · b. ~1902 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mchenry-County, Illinois
Open full size
1940 US Federal Census — Mchenry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00840-00749)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Lincoln | 68 | Wife | — | Germany |
| 2 | Warren Lincoln | 39 | Son | Farmer | Illinois |
| 3 | Francis Lincoln | 36 | Son | Farm Laborer | Illinois |
| 4 | Glenn Lincoln | 34 | Son | Runner Operator | Illinois |
| 5 | Ingeborg Kramme | 65 | Head | — | Norway |
| 6 | Gladys Kramme | 26 | Daughter | Housework | Illinois |
| 7 | Oscar Kramme | 28 | Head | Farmer | Illinois |
| 8 | Antoinette Kramme | 27 | Wife | — | Illinois |
| 9 | Helen Marie Kramme | 1 | Daughter | — | Illinois |
| 10 | Lyle Walsh | 26 | Hired Hand | Farm Laborer | Illinois |
| 11 | Charles Bailey | 68 | Head | Farmer | Wisconsin |
| 12 | Mary Jane Bailey | 61 | Wife | — | Northern Ireland |
| 13 | Lawrence Crone | 28 | Son-in-law | Farmer | Kansas |
| 14 | Mattie Crone | 25 | Daughter | — | Illinois |
| 15 | Betty Jean Crone | 1 | Granddaughter | — | Illinois |
| 16 | Harry Gruel | 30 | Head | Farmer | Iowa |
| 17 | Louise Gruel | 25 | Wife | — | Illinois |
| 18 | Harry W. Collier | 36 | Head | Farmer | Wisconsin |
| 19 | Irene Collier | 36 | Wife | — | Illinois |
| 20 | Harry Jr. Collier | 15 | Son | Farm Laborer | Illinois |
| 21 | Albert Collier | 4 | Son | — | Illinois |
| 22 | Marion Collier | 2 | Daughter | — | Illinois |
| 23 | Eleanor Collier | 1 | Daughter | — | Illinois |
| 24 | Robert Saunders | 11 | Hired Hand | — | Illinois |
| 25 | Richard Trecloe | 49 | Hired Hand | Farm Laborer | Wisconsin |
| 26 | Edward Leonard THIS PERSON | 38 | Head | Farmer | Illinois |
| 27 | Gladys Leonard | 36 | Wife | — | Illinois |
| 28 | Francis Leonard | 16 | Son | Farm Laborer | Illinois |
| 29 | Marietta Leonard | 14 | Daughter | — | Illinois |
| 30 | Sandy Sorenson | 47 | Head | Farmer | Illinois |
| 31 | Dean Sorenson | 26 | Son | Chauffeur | Minnesota |
| 32 | Stanley Sorenson | 24 | Son | Miller | Illinois |
| 33 | Arlene Sorenson | 20 | Daughter | — | Minnesota |
| 34 | Walter Sorenson | 17 | Son | Farm Laborer | Minnesota |
| 35 | Lorine Dale | 42 | Head | — | England |
| 36 | William Dale | 18 | Son | Farmer | Illinois |
| 37 | Frank Chopin | 63 | Head | Farmer | Illinois |
| 38 | Mae Chopin | 54 | Wife | — | Illinois |
| 39 | Ira Green | 42 | Head | Farmer | Illinois |
| 40 | Ruby Green | 37 | Wife | — | Illinois |
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)