MW
Mary Welch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lewis-County, Kentucky
Our Model Tree links this Mary Welch across the 1920, 1930 and 1940 US Censuses in Lewis-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & John — first a spouse (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lewis-County, Kentucky |
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District No 3 |
| 1935 Residence (County) | Lewis |
| Additional Details | |
| Class of Worker | 40 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District No 3 |
| Est. Birth Year | ~1912 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Welch | Daughter | — | 5 | ~1935 |
| Lucille Welch | Daughter | — | 8 | ~1932 |
| Orville Welch | Head | — | 39 | ~1901 |
| Mary Welch | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Lewis, Kentucky
Daughter, age 6
Lewis, Kentucky · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Myrtle L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Lewis, Kentucky
Daughter, age 17
Lewis, Kentucky · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Myrtle L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Age at First Marriage | 17 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Lewis-County, Kentucky
Spouse, age 28
Lewis-County, Kentucky · implied b. ~1912 — 4 household members
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District No 3 |
| 1935 Residence (County) | Lewis |
| Class of Worker | 40 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Mary Welch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Welch (~0.92 confidence) and father John Welch (~0.92 confidence) and mother Ollie Welch (~0.92 confidence) and mother Chloe Welch (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Welch
b. ~1888
Source father
● Household
· direct · ~0.92
Father
John Welch
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Ollie Welch
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Chloe Welch
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Welch
Spouse · 1940 · age 28 · b. ~1912 · Kentucky
★ 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 — Lewis-County, Kentucky
Open full size
1940 US Federal Census — Lewis-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01331-00179)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Mcdonald | 35 | Head | Farm Laborer | Kentucky |
| 42 | Jonathan Mcdonald | 11 | Son | — | Kentucky |
| 43 | Alden Mcdonald | 8 | Son | — | Kentucky |
| 44 | James Mcdonald | 6 | Son | — | Kentucky |
| 45 | Bruce B. Sellards | 62 | Head | Farm Laborer | Kentucky |
| 46 | Mina Sellards | 55 | Wife | — | Kentucky |
| 47 | Henry P. Grimm | 67 | Head | Farm Laborer | Germany |
| 48 | Mary Grimm | 66 | Wife | — | Kentucky |
| 49 | Charles W. Evans | 56 | Head | No | Kentucky |
| 50 | Linnie Evans | 54 | Wife | — | Kentucky |
| 51 | Lillian Evans | 25 | Daughter | — | Kentucky |
| 52 | Lois Evans | 22 | Daughter | — | Kentucky |
| 53 | Betty Evans | 9 | Granddaughter | — | Kentucky |
| 54 | Clyde Jr. Evans | 7 | Grandson | — | Kentucky |
| 55 | Eugene Evans | 5 | Grandson | — | Kentucky |
| 56 | Charles Cauldwel | 24 | Head | Wpa Laborer | Kentucky |
| 57 | Edith Cauldwel | 22 | Wife | — | Kentucky |
| 58 | Nancy Cauldwel | 1 | Daughter | — | Kentucky |
| 59 | Jefferson Hamm | 66 | Head | — | Kentucky |
| 60 | Blanche Hamm | 59 | Wife | — | Kentucky |
| 61 | Herbert Willis | 28 | Head | Janitor Laborer | Kentucky |
| 62 | Hazel Willis | 23 | Wife | — | Kentucky |
| 63 | Gerald Willis | 5 | Son | — | Kentucky |
| 64 | Charles Willis | 3 | Son | — | Kentucky |
| 65 | Virgil Pierce | 26 | Head | Laborer | Kentucky |
| 66 | Nancy Pierce | 27 | Wife | — | Kentucky |
| 67 | Mary Pierce | 2 | Daughter | — | Kentucky |
| 68 | Virlie Pierce | 48 | Head | — | Kentucky |
| 69 | William Pierce | 15 | Son | — | Kentucky |
| 70 | Mason Pierce | 11 | Son | — | Kentucky |
| 71 | Orville Welch | 39 | Head | Railroad Laborer | Kentucky |
| 72 | Mary Welch THIS PERSON | 28 | Wife | — | Kentucky |
| 73 | Lucille Welch | 8 | Daughter | — | Kentucky |
| 74 | Evelyn Welch | 5 | Daughter | — | Kentucky |
| 75 | Robert Miller | 41 | Head | Railroad Laborer | Kentucky |
| 76 | Clara Miller | 40 | Wife | — | Kentucky |
| 77 | Rena Miller | 21 | Daughter | — | Kentucky |
| 78 | Bobby Miller | 16 | Son | New Worker | Kentucky |
| 79 | Nellie Miller | 14 | Daughter | — | Kentucky |
| 80 | Edna M. Miller | 13 | Daughter | — | Kentucky |
Pedigree Summary
Mary
Gen 1 · 4 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)