LD
Lawrence Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Michigan
Our Model Tree links this Lawrence Davis across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed), with identified parents Melvin & Maggie — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Michigan |
| Surname | Davis |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Three Rivers city |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Occupation | Maintenance Assembly |
| Industry | Saw Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1144 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Maintenance Assembly |
| Township / Ward | Three Rivers City |
| Est. Birth Year | ~1910 |
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 Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Vayetta Davis | Spouse | — | 31 | ~1909 |
| Stuart Davis | Son | — | ~1940 | |
| Lawrence Davis | Head | — | 30 | ~1910 |
| Melvin Davis | Son | — | 2 | ~1938 |
Census Appearances
1920
St Joseph, …
Son, age 10
St Joseph, Michigan · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Joseph, …
Son, age 21
St Joseph, Michigan · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lorance |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Meat Cutter |
| Industry | Meat Market |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Joseph-County, Michigan
Head, age 30
St.-Joseph-County, Michigan · implied b. ~1910 — 4 household members
| Surname | Davis |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Three Rivers city |
| 1935 Residence (County) | St. Joseph |
| Occupation | Maintenance Assembly |
| Industry | Saw Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1144 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| 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 Lawrence Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Melvin Davis (~0.92 confidence) and mother Maggie Davis (~0.92 confidence) and mother Margaret Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Melvin Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Maggie Davis
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Margaret Davis
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Davis
Head · 1940 · age 30 · b. ~1910 · 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 — St.-Joseph-County, Michigan
Open full size
1940 US Federal Census — St.-Joseph-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01817-00742)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Black | 71 | Mother-in-law | — | Michigan |
| 42 | Frank Buergin | 76 | Head | — | Michigan |
| 43 | Mary Buergin | 70 | Wife | — | Michigan |
| 44 | Alphonso Elliott | 74 | Brother-in-law | Janitor | Indiana |
| 45 | Fredrick Fox | 64 | Head | Clerk | Germany |
| 46 | Belle Fox | 58 | Wife | — | Michigan |
| 47 | Samuel Hagerman | 27 | Son-in-law | Janitor | Illinois |
| 48 | Betty Hagerman | 27 | Daughter | — | Ohio |
| 49 | G. Son Fredrick | None | M | — | — |
| 50 | G. Son Samuel A. | None | M | — | — |
| 51 | Lawrence Davis THIS PERSON | 30 | Head | Maintenance Assembly | Michigan |
| 52 | Vayetta Davis | 31 | Wife | — | Michigan |
| 53 | Melvin Davis | 2 | Son | — | Michigan |
| 54 | Stuart Davis | 0 | Son | — | Michigan |
| 55 | Clifford Maystead | 41 | Head | Merchant | Michigan |
| 56 | Beatrice Maystead | 31 | Wife | — | Michigan |
| 57 | Ellen Maystead | 13 | Daughter | — | Michigan |
| 58 | Elaine Maystead | 12 | Daughter | — | Michigan |
| 59 | Homer Edelman | 49 | Head | Pattern Maker | Michigan |
| 60 | Louise Edelman | 51 | Wife | — | Michigan |
| 61 | Ethel Kline | 23 | Step-dau | Machine Tender | Michigan |
| 62 | Madge Kline | 19 | Step-dau | Waitress | Michigan |
| 63 | Charles Craft | 56 | Head | Stationary Engineer | Michigan |
| 64 | Kate Craft | 62 | Wife | — | Michigan |
| 65 | John Weatherwax | 28 | Head | Box Maker | Michigan |
| 66 | Helen Weatherwax | 30 | Wife | Waitress | New York |
| 67 | Lyda Weiss | 30 | Sister | Waitress | Tennessee |
| 68 | Henry Weatherwax | 75 | Father | — | Michigan |
| 69 | Lena Weatherwax | 58 | Mother | — | Tennessee |
| 70 | Jessie Carter | 63 | Head | — | Michigan |
| 71 | Robert Linener | 50 | Head | — | Michigan |
| 72 | Roy Linener | 26 | Son-in-law | Mill Worker | Michigan |
| 73 | Alatha Linener | 19 | Daughter | — | Michigan |
| 74 | Alva Linener | 17 | Son | — | Michigan |
| 75 | Fredrick Linener | 14 | Son | — | Michigan |
| 76 | Jeanne Linener | 11 | Daughter | — | Michigan |
| 77 | Thomas Linener | 1 | Son | — | Michigan |
| 78 | Lawrence Ridgeway | 50 | Head | Landscape Art. Florist | Michigan |
| 79 | Inez Ridgeway | 38 | Wife | Office Work | Michigan |
| 80 | Milton Bergfield | 45 | Head | Carpenter | Illinois |
Related Census Records
Pedigree Summary
Lawrence
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)