LD
Leonard Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this Leonard Davis across the 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | Davis |
| Given Name | Leonard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Evart |
| 1935 Residence (County) | Osceola |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Flint |
| Est. Birth Year | ~1927 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Calvin Davis | Son | — | 3 | ~1937 |
| Robert Davis | Son | — | 8 | ~1932 |
| Elizabeth Davis | Daughter | — | 6 | ~1934 |
| Harriett Davis | Spouse | — | 38 | ~1902 |
| Leonard Davis | Head | — | 45 | ~1895 |
| Lawrence Davis | Son | — | 10 | ~1930 |
| Earl Davis | Son | — | ~1940 | |
| Leonard Davis | Son | — | 13 | ~1927 |
| Irene Davis | Daughter | — | 4 | ~1936 |
| George Davis | Son | — | 14 | ~1926 |
| Bessie Davis | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Oakland, Michigan
Son, age 2
Oakland, Michigan · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Leonard A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Son, age 13
Genesee-County, Michigan · implied b. ~1927 — 11 household members
| Surname | Davis |
| Given Name | Leonard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Evart |
| 1935 Residence (County) | Osceola |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Michigan |
| 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 Leonard Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Davis
Son · 1940 · age 13 · b. ~1927 · Michigan
★ You are viewing this record
Sibling
George Davis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Davis
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Davis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Davis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Davis
Sibling · 1940 · age 4
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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01894-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irene Stein | 23 | Wife | Housewife | Michigan |
| 42 | Dickie Stein | 3 | Son | — | Michigan |
| 43 | Roy Stein | 25 | Brother | Disc Grinder | Michigan |
| 44 | Roy H. Smithey | 41 | Head | Laborer | Indiana |
| 45 | Martha R. Smithey | 38 | Wife | — | Indiana |
| 46 | Raymond Smithey | 14 | Son | New Worker | Indiana |
| 47 | Ralph Wharran | 27 | Head | Millwright | Rhode Island |
| 48 | Virginia Wharran | 23 | Wife | — | Missouri |
| 49 | Albert Reid | 28 | Head | Press Helper | Ohio |
| 50 | William Reid | 10 | Son | — | Ohio |
| 51 | Gladys Reid | 27 | Wife | Seamstress | Ohio |
| 52 | Walter F. Kopcinski | 31 | Head | Metal Assembly | Michigan |
| 53 | Flo May Kopcinski | 23 | Wife | — | Michigan |
| 54 | Elmer G. Winkle | 33 | Head | Paint Dipper | New York |
| 55 | Elizabeth Winkle | 30 | Wife | — | Hungary |
| 56 | Emmett C. Barlow | 54 | Head | Laborer | Michigan |
| 57 | Lorena Barlow | 42 | Wife | — | Michigan |
| 58 | Leonard J. Davis | 45 | Head | Motor Assembly | Michigan |
| 59 | Harriett J. Davis | 38 | Wife | — | Ohio |
| 60 | George Davis | 14 | Son | New Worker | Michigan |
| 61 | Leonard Jr. Davis THIS PERSON | 13 | Son | — | Michigan |
| 62 | Lawrence Davis | 10 | Son | — | Michigan |
| 63 | Bessie Davis | 9 | Daughter | — | Michigan |
| 64 | Robert Davis | 8 | Son | — | Michigan |
| 65 | Elizabeth Davis | 6 | Daughter | — | Michigan |
| 66 | Irene Davis | 4 | Daughter | — | Michigan |
| 67 | Calvin Davis | 3 | Son | — | Michigan |
| 68 | Earl Davis | 0 | Son | 0 | Michigan |
| 69 | William J. Jr. Knight | 27 | Head | Laborer | Michigan |
| 70 | Grace A. Knight | 23 | Wife | — | Michigan |
| 71 | Miles Turnpaugh | 29 | Head | Metal Finisher | Missouri |
| 72 | Bertha Turnpaugh | 33 | Wife | — | Michigan |
| 73 | Gerald Turnpaugh | 19 | Son | New Worker | Illinois |
| 74 | Miles Turnpaugh | 13 | Son | — | Illinois |
| 75 | Robert Turnpaugh | 11 | Son | — | Michigan |
| 76 | Charles Laplant | 29 | Head | Wood Finisher | Michigan |
| 77 | Dorothy Laplant | 21 | Wife | — | Missouri |
| 78 | Louis Seidel | 29 | Head | Machine Operator | Hungary |
| 79 | Mary Seidel | 21 | Wife | — | Michigan |
| 80 | John Seidel | 2 | Son | — | Michigan |
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)