LD
Lewis Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Lewis Davis across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Davis |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Garage Mechanic |
| Industry | Retail Laundry |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Garage Mechanic |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1909 |
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 Lewis | Age | Birth yr |
|---|---|---|---|---|
| L Davis | Son | — | 5 | ~1935 |
| Helen Davis | Spouse | — | 29 | ~1911 |
| George Davis | Son | — | 3 | ~1937 |
| Lewis Davis | Head | — | 31 | ~1909 |
Census Appearances
1920
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lewis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada |
| Mother's Birthplace | Switzerland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 21
Wayne, Michigan · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lewis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Switzerland |
| Occupation | Repairman |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 31
Wayne-County, Michigan · implied b. ~1909 — 4 household members
| Surname | Davis |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Garage Mechanic |
| Industry | Retail Laundry |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1600 |
| 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 Lewis Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Davis (~0.92 confidence) and father William Davis (~0.92 confidence) and mother Emma Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Davis
b. ~1860
Source father
● Household
· direct · ~0.92
Father
William Davis
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Emma Davis
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lewis Davis
Head · 1940 · age 31 · b. ~1909 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01870-00412)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Ziemlaski | 17 | Son | — | Michigan |
| 2 | Wilmot Ziemlaski | 11 | Son | — | Michigan |
| 3 | Frank Thistle | 29 | Head | Boiler Maker | Newfoundland |
| 4 | Jane M. Thistle | 33 | Wife | — | Michigan |
| 5 | Sally Anne Thistle | 9 | Daughter | — | Michigan |
| 6 | Frances Thistle | 8 | Daughter | — | Michigan |
| 7 | William R. Thistle | 7 | Son | — | Michigan |
| 8 | William Carlson | 43 | Head | Truck Driver | English Canada |
| 9 | Agatha Carlson | 42 | Wife | — | Michigan |
| 10 | Doris Carlson | 17 | Daughter | — | Michigan |
| 11 | William Carlson | 13 | Son | — | Michigan |
| 12 | Jerry Carlson | 2 | Son | — | Michigan |
| 13 | Edward Radtke | 52 | Head | Packer | Michigan |
| 14 | Anne B. Radtke | 42 | Wife | Janitor | New York |
| 15 | Lewis Davis THIS PERSON | 31 | Head | Garage Mechanic | Michigan |
| 16 | Helen B. Davis | 29 | Wife | — | Pennsylvania |
| 17 | L. Thomas Davis | 5 | Son | — | Michigan |
| 18 | George Davis | 3 | Son | — | Michigan |
| 19 | Wilbur Houck | 22 | Head | Photographer | Iowa |
| 20 | Lucille A. Houck | 24 | Wife | — | Michigan |
| 21 | John Howard | 18 | Brother-in-law | Plumber | Michigan |
| 22 | Cecil Pomeroy | 38 | Head | Gas Fitter | English Canada |
| 23 | Mary A. Pomeroy | 34 | Wife | — | English Canada |
| 24 | Doris Pomeroy | 10 | Daughter | — | Michigan |
| 25 | Jean Pomeroy | 8 | Daughter | — | Michigan |
| 26 | Mary Pomeroy | 6 | Daughter | — | Michigan |
| 27 | Joyce Pomeroy | 2 | Daughter | — | Michigan |
| 28 | Iris Pomeroy | 0 | Daughter | — | Michigan |
| 29 | Louis Puggard | 43 | Head | Die Engineer | Denmark |
| 30 | Irene Puggard | 34 | Wife | — | Tennessee |
| 31 | Anne Marie Puggard | 5 | Daughter | — | Michigan |
| 32 | Katherine Puggard | 3 | Daughter | — | Michigan |
| 33 | Joann Puggard | 1 | Daughter | — | Michigan |
| 34 | Harry Der Miner | 34 | Head | Baker | Pennsylvania |
| 35 | Winifred Der Miner | 34 | Wife | — | Michigan |
| 36 | Donald Der Miner | 14 | Son | — | Michigan |
| 37 | Leland Der Miner | 12 | Son | — | Michigan |
| 38 | Roy Der Miner | 6 | Son | — | Michigan |
| 39 | Thomas A. Hefferman | 42 | Head | Bus Driver | Kansas |
| 40 | Mary Hefferman | 31 | Wife | — | Kansas |
Pedigree Summary
Lewis
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)