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Ralph Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Midland-County, Michigan
Our Model Tree links this Ralph Lewis across the 1930 and 1940 US Censuses in Midland-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Midland-County, Michigan |
| Surname | Lewis |
| Given Name | Ralph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Midland (city) |
| 1935 Residence (County) | Midland |
| Additional Details | |
| Industry | 375 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Midland City |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Fay Lewis | Daughter | — | 17 | ~1923 |
| Leonard Lewis | Head | — | 60 | ~1880 |
| Gracie Lewis | Spouse | — | 55 | ~1885 |
| Mary Lewis | Daughter | — | 17 | ~1923 |
| Jean Lewis | Daughter | — | 15 | ~1925 |
| Dallis Lewis | Son | — | 23 | ~1917 |
| Guy Lewis | Son | — | 26 | ~1914 |
| Ralph Lewis | Son | — | 21 | ~1919 |
Census Appearances
1930
Midland, Michigan
Son, age 11
Midland, Michigan · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Midland-County, Michigan
Son, age 21
Midland-County, Michigan · implied b. ~1919 — 8 household members
| Surname | Lewis |
| Given Name | Ralph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Midland (city) |
| 1935 Residence (County) | Midland |
| Industry | 375 |
| Highest Grade | No 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 Ralph Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ralph Lewis
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Fay Lewis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Guy Lewis
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Lewis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lewis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dallis Lewis
Sibling · 1940 · age 23
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 — Midland-County, Michigan
Open full size
1940 US Federal Census — Midland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01790-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norris E. Caldwell | 29 | Head | Superintendent | Michigan |
| 2 | Gladys E. Caldwell | 31 | Wife | — | Michigan |
| 3 | Ted Norris Caldwell | 4 | Son | — | Michigan |
| 4 | Carol Lynn Caldwell | 0 | Daughter | — | Michigan |
| 5 | Retta L. Caywood | 20 | Maid | House Maid | Michigan |
| 6 | William J. Bahlke | 37 | Head | Building Contractor | Michigan |
| 7 | Edith Bahlke | 26 | Wife | — | Michigan |
| 8 | Shirley Bahlke | 5 | Daughter | — | Michigan |
| 9 | Kathryn Bahlke | 2 | Daughter | — | Michigan |
| 10 | Vera May Taylor | 18 | Maid | House Maid | Michigan |
| 11 | Maurice D. Loucks | 38 | Head | Chemist | Ohio |
| 12 | Helen J. Loucks | 35 | Wife | — | Michigan |
| 13 | Emelie Ann Loucks | 4 | Daughter | — | Michigan |
| 14 | Henry Maier | 57 | Head | Mechanic | Michigan |
| 15 | Catherine Maier | 56 | Wife | — | Michigan |
| 16 | Gertrude E. Maier | 26 | Daughter | Stenographer | Michigan |
| 17 | Donald C. Maier | 20 | Son | Photographer | Michigan |
| 18 | Katherine M. Maier | 12 | Daughter | — | Michigan |
| 19 | Mary Pruitt | 72 | Head | — | Canada |
| 20 | Austin A. Pruitt | 51 | Son | — | Canada |
| 21 | Louis N. Simansky | 49 | Head | Locomotive Engineer | Pennsylvania |
| 22 | Lena M. Simansky | 41 | Wife | — | Michigan |
| 23 | Garnet M. Simansky | 22 | Daughter | Librarian | Michigan |
| 24 | Eldred L. Simansky | 19 | Son | — | Michigan |
| 25 | Donald A. Simansky | 17 | Son | Laborer | Michigan |
| 26 | Deloris A. Simansky | 15 | Daughter | — | Michigan |
| 27 | Bernard N. Simansky | 12 | Son | — | Michigan |
| 28 | Aaron T. Bliss | 54 | Head | Abstractor | Michigan |
| 29 | Frances E. Bliss | 53 | Wife | Teacher Substitute | Michigan |
| 30 | Janice M. Bliss | 20 | Daughter | — | Michigan |
| 31 | Kathleen E. Bliss | 18 | Daughter | — | Michigan |
| 32 | Lila E. Bliss | 87 | Mother | — | Wisconsin |
| 33 | Leonard B. Lewis | 60 | Head | Repairman | Michigan |
| 34 | Gracie M. Lewis | 55 | Wife | — | Michigan |
| 35 | Guy L. Lewis | 26 | Son | Laborer | Michigan |
| 36 | Dallis E. Lewis | 23 | Son | — | Michigan |
| 37 | Ralph E. Lewis THIS PERSON | 21 | Son | — | Michigan |
| 38 | Fay E. Lewis | 17 | Daughter | — | Michigan |
| 39 | Mary G. Lewis | 17 | Daughter | — | Michigan |
| 40 | Jean V. Lewis | 15 | Daughter | — | 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)