MW
Mary Welch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crawford-County, Kansas
Our Model Tree links this Mary Welch across the 1920, 1930 and 1940 US Censuses in Crawford-County, Kansas (XGBoost, ~Confirmed), with identified parents John & Tellie — first a daughter (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Kansas |
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Girard City |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | Domestic |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Domestic |
| Township / Ward | Girard 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rita Welch | Daughter | — | 14 | ~1926 |
| Mary Welch | Daughter | — | 21 | ~1919 |
| Helen Welch | Daughter | — | 22 | ~1918 |
| John Welch | Head | — | 50 | ~1890 |
| James Welch | Son | — | 26 | ~1914 |
| Tellie Welch | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Crawford, Kansas
Daughter, age 1
Crawford, Kansas · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Maxine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Crawford, Kansas
Daughter, age 11
Crawford, Kansas · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Maxine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Crawford-County, Kansas
Daughter, age 21
Crawford-County, Kansas · implied b. ~1919 — 6 household members
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Girard City |
| 1935 Residence (County) | Crawford |
| Occupation | Domestic |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 mother Tellie Welch (~0.92 confidence) and father Tony Welch (~0.92 confidence) and mother Rose Welch (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Welch
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Tellie Welch
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Tony Welch
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Rose Welch
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Welch
Daughter · 1940 · age 21 · b. ~1919 · Kansas
★ You are viewing this record
Sibling
James Welch
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Welch
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Welch
Sibling · 1940 · age 22
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 — Crawford-County, Kansas
Open full size
1940 US Federal Census — Crawford-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01227-00245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Taylor | 3 | Son | — | — |
| 2 | Robert S. Simmons | 72 | Head | — | Georgia |
| 3 | John Cordray | 57 | Head | — | Missouri |
| 4 | Henry Barker | 59 | Head | Cement Worker | Kansas |
| 5 | I. B. Tiffany | 52 | Lodger | Cement Worker | Kansas |
| 6 | Grover Hopkins | 28 | Head | Mechanic | Kansas |
| 7 | Ruth Hopkins | 19 | Wife | — | Kansas |
| 8 | Clifton Hopkins | 28 | Head | Mechanic | Kansas |
| 9 | Georgia Hopkins | 29 | Wife | — | Kansas |
| 10 | Coleen Ann Hopkins | 6 | Daughter | — | Kansas |
| 11 | Ronald Hopkins | 3 | Son | — | Kansas |
| 12 | John Welch | 50 | Head | Coal Miner | Kansas |
| 13 | Tellie Welch | 46 | Wife | — | Kansas |
| 14 | James Welch | 26 | Son | Coal Miner | Kansas |
| 15 | Helen Welch | 22 | Daughter | Domestic | Kansas |
| 16 | Mary Welch THIS PERSON | 21 | Daughter | Domestic | Kansas |
| 17 | Rita Welch | 14 | Daughter | — | Kansas |
| 18 | A. F. Harmon | 79 | Head | Farmer | Illinois |
| 19 | Belle Dora Harmon | 73 | Wife | — | Kansas |
| 20 | Wilbur Griffin | 25 | Head | Laborer | Arkansas |
| 21 | Ruby Griffin | 20 | Wife | — | Kansas |
| 22 | William Griffin | 1 | Son | — | Kansas |
| 23 | J. Milton Miller | 40 | Head | Mechanic | Colorado |
| 24 | Christine Miller | 32 | Wife | — | Kansas |
| 25 | Milton Miller | 10 | Son | — | Kansas |
| 26 | Jane Ellen Miller | 6 | Daughter | — | Kansas |
| 27 | Richard Miller | 3 | Son | — | Kansas |
| 28 | Sherman Sharp | 36 | Head | Section Laborer | Arkansas |
| 29 | Constance Sharp | 31 | Wife | — | Kansas |
| 30 | Jacqueline Sharp | 12 | Daughter | — | Kansas |
| 31 | Juanita Sharp | 10 | Daughter | — | Kansas |
| 32 | Rex Sharp | 8 | Son | — | Kansas |
| 33 | C. C. Helms | 77 | Head | Manager Service Station | Kansas |
| 34 | Clara B. Helms | 66 | Wife | — | Iowa |
| 35 | S. H. Mosby | 69 | Head | Caretaker | Missouri |
| 36 | Rosie Mosby | 66 | Wife | — | Illinois |
| 37 | Hubert Morse | 33 | Step-son | Mechanic | Kansas |
| 38 | Frank Morse | 37 | Step-son | Bookkeeper | Kansas |
| 39 | D. W. Stonerock | 75 | Head | — | Illinois |
| 40 | Ruth Hooper | 37 | Daughter | Saleslady | Kansas |
Pedigree Summary
Mary + 3 siblings
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)