MD
May Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Gratiot-County, Michigan
Our Model Tree links this May Davis across the 1930 and 1940 US Censuses in Gratiot-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Gratiot-County, Michigan |
| Surname | Davis |
| Given Name | May |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Alma city |
| 1935 Residence (County) | Gratiot |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Alma City |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to May | Age | Birth yr |
|---|---|---|---|---|
| Bennett Davis | Head | — | 57 | ~1883 |
| May Davis | Son | — | 26 | ~1914 |
| Laura Davis | Spouse | — | 55 | ~1885 |
| Madeline Davis | Daughter | — | 23 | ~1917 |
| Margaret Davis | Daughter | — | 16 | ~1924 |
| Donald Davis | Son | — | 27 | ~1913 |
Census Appearances
1930
Gratiot, Michigan
Son, age 16
Gratiot, Michigan · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | May K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Gratiot-County, Michigan
Son, age 26
Gratiot-County, Michigan · implied b. ~1914 — 6 household members
| Surname | Davis |
| Given Name | May |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Alma city |
| 1935 Residence (County) | Gratiot |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 May Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
May Davis
Son · 1940 · age 26 · b. ~1914 · Michigan
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Sibling
Margaret Davis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Davis
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Davis
Sibling · 1940 · age 27
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 — Gratiot-County, Michigan
Open full size
1940 US Federal Census — Gratiot-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01754-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Guy Marzolf | 3 | Daughter | — | Michigan |
| 2 | Samuel Charles Reid | 31 | Head | Pumper | Michigan |
| 3 | Gertrude W. Reid | 30 | Wife | — | Michigan |
| 4 | Carmen Ruth Reid | 9 | Daughter | — | Michigan |
| 5 | David Redd Reid | 6 | Son | — | Michigan |
| 6 | John Miller | 24 | Head | Attendant | Michigan |
| 7 | Ilda Miller | 19 | Wife | — | Michigan |
| 8 | Dudley Dean Miller | 3 | Son | — | Michigan |
| 9 | Maude Mcmuhn | 66 | Head | — | Ohio |
| 10 | Oscar Vibber | 63 | Head | — | Michigan |
| 11 | Francis Vibber | 74 | Wife | — | New York |
| 12 | May Shelly | 28 | Head | Ice Cream Maker | Indiana |
| 13 | Georgia Shelly | 27 | Wife | — | Michigan |
| 14 | May Norman Shelly | 5 | Son | — | Michigan |
| 15 | Beverly Ann Shelly | 4 | Daughter | — | Michigan |
| 16 | Gwendolyn Shelly | 2 | Daughter | — | Michigan |
| 17 | Gerry B. Shelly | 0 | Son | — | Michigan |
| 18 | Bennett Earl Davis | 57 | Head | Sales Promotion | Michigan |
| 19 | Laura Davis | 55 | Wife | — | Ohio |
| 20 | Donald Davis | 27 | Son | — | Michigan |
| 21 | May Davis THIS PERSON | 26 | Son | — | Michigan |
| 22 | Madeline Davis | 23 | Daughter | — | Michigan |
| 23 | Margaret Davis | 16 | Daughter | — | Michigan |
| 24 | Leon Simons | 44 | Head | Proprietor | Lithuania |
| 25 | Yetta Simons | 41 | Wife | — | Lithuania |
| 26 | Ben Simons | 20 | Son | — | Michigan |
| 27 | Rose Simons | 16 | Daughter | — | Michigan |
| 28 | Joe Simons | 11 | Son | — | Michigan |
| 29 | Frank Bennett | 59 | Head | — | Michigan |
| 30 | Cassie Bennett | 62 | Wife | — | Michigan |
| 31 | Clarence Blanchard | 39 | Head | Assistant Cashier | Michigan |
| 32 | Leona Mabel Blanchard | 39 | Wife | — | Indiana |
| 33 | Robert Dean Blanchard | 13 | Son | — | Michigan |
| 34 | Carol Blanchard | 3 | Daughter | — | Michigan |
| 35 | Kathryn Blanchard | 1 | Daughter | — | Michigan |
| 36 | Verna Waber | 77 | Head | — | Switzerland |
| 37 | Ford Frank Croton | 25 | Head | Stillman | Michigan |
| 38 | Kathylin Croton | 24 | Wife | — | Michigan |
| 39 | Nolan Connor | 34 | Head | Welder | Indiana |
| 40 | Mary Connor | 28 | Wife | — | Wisconsin |
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)