JL
James Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Isabella-County, Michigan
Our Model Tree links this James Leonard across the 1930 and 1940 US Censuses in Isabella-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Isabella-County, Michigan |
| Surname | Leonard |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Coe Twp |
| Additional Details | |
| Highest Grade | G 7 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Coe Twp |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marvin Leonard | Daughter | — | 9 | ~1931 |
| Eula Leonard | Daughter | — | 7 | ~1933 |
| Marguerite Leonard | Daughter | — | 16 | ~1924 |
| Ray Leonard | Head | — | 49 | ~1891 |
| Arden Leonard | Son | — | 22 | ~1918 |
| James Leonard | Son | — | 14 | ~1926 |
| Stanley Leonard | Son | — | 12 | ~1928 |
| Harry Leonard | Son | — | 10 | ~1930 |
| William Leonard | Son | — | 21 | ~1919 |
| Tommie Leonard | Son | — | 4 | ~1936 |
| Blanche Leonard | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Isabella, Michigan
Son, age 4
Isabella, Michigan · implied b. ~1926 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Isabella-County, Michigan
Son, age 14
Isabella-County, Michigan · implied b. ~1926 — 11 household members
| Surname | Leonard |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Coe Twp |
| Highest Grade | G 7 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 James Leonard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Leonard
Son · 1940 · age 14 · b. ~1926 · Michigan
★ You are viewing this record
Sibling
Marvin Leonard
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tommie Leonard
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Leonard
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Leonard
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Leonard
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arden Leonard
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eula Leonard
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Leonard
Sibling · 1940 · age 10
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 — Isabella-County, Michigan
Open full size
1940 US Federal Census — Isabella-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01766-00100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ora Netzley | 43 | Head | Thrasher | Ohio |
| 42 | Alma Netzley | 41 | Wife | — | Ohio |
| 43 | Max Netzley | 11 | Son | — | Michigan |
| 44 | Janeker Baldwin | 32 | Head | Salesman | Michigan |
| 45 | Gratia Baldwin | 29 | Wife | — | Michigan |
| 46 | Maynard Baldwin | 12 | Son | — | Michigan |
| 47 | Wendell Baldwin | 8 | Son | — | Michigan |
| 48 | Charleen Baldwin | 5 | Daughter | — | Michigan |
| 49 | Bernard Baldwin | 0 | Son | — | Michigan |
| 50 | Hugh Bush | 49 | Head | Farmer | Michigan |
| 51 | Paul Presler | 25 | Head | Machine Operator | Michigan |
| 52 | Ethel Presler | 23 | Wife | — | Michigan |
| 53 | Gary Presler | 4 | Son | — | Michigan |
| 54 | Richard Presler | 2 | Son | — | Michigan |
| 55 | Will Strauss | 69 | Head | Farmer | Michigan |
| 56 | Cecil Strauss | 57 | Wife | — | Michigan |
| 57 | Earl Strauss | 23 | Son | Farmer | Michigan |
| 58 | Marguerite Strauss | 23 | Daughter | — | Michigan |
| 59 | William O'Bryant | 37 | Head | Machine Operator | Ohio |
| 60 | Ethel O'Bryant | 34 | Wife | Farmer | Michigan |
| 61 | William Jr O'Bryant | 8 | Son | — | Michigan |
| 62 | Gerald O'Bryant | 7 | Son | — | Michigan |
| 63 | Donald O'Bryant | 5 | Son | — | Michigan |
| 64 | Claude Hylings | 18 | Stepson | Farmer | Michigan |
| 65 | George Saunders | 32 | Head | Farmer | Michigan |
| 66 | Bell Hauver | 76 | Head | — | Pennsylvania |
| 67 | Ray Leonard | 49 | Head | Farmer | Michigan |
| 68 | Blanche Leonard | 47 | Wife | — | Michigan |
| 69 | Arden Leonard | 22 | Son | Farm Laborer | Michigan |
| 70 | William Leonard | 21 | Son | Farm Laborer | Michigan |
| 71 | Marguerite Leonard | 16 | Daughter | — | Michigan |
| 72 | James Leonard THIS PERSON | 14 | Son | — | Michigan |
| 73 | Stanley Leonard | 12 | Son | — | Michigan |
| 74 | Harry Leonard | 10 | Son | — | Michigan |
| 75 | Marvin Leonard | 9 | Daughter | — | Michigan |
| 76 | Eula Leonard | 7 | Daughter | — | Michigan |
| 77 | Tommie Leonard | 4 | Son | — | Michigan |
| 78 | Ada Leonard | 72 | Head | — | Michigan |
| 79 | Kenneth Myers | 35 | Head | Farmer | Michigan |
| 80 | Lois Myers | 32 | Wife | School Teacher | Michigan |
Related Census Records
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)