JW
John Welch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Gunnison-County, Colorado
Our Model Tree links this John Welch across the 1920, 1930 and 1940 US Censuses in Gunnison-County, Colorado (XGBoost, ~Confirmed), with identified parents Clyde & Homa — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Gunnison-County, Colorado |
| Surname | Welch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| Additional Details | |
| Industry | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Gunnison Town |
| Est. Birth Year | ~1920 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Gracia Welch | Daughter | — | 17 | ~1923 |
| Clyde Welch | Head | — | 66 | ~1874 |
| Bert Welch | Son | — | 14 | ~1926 |
| Loran Welch | Son | — | 24 | ~1916 |
| John Welch | Son | — | 20 | ~1920 |
| Irma Welch | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Gunnison, Colorado
Son, age
Gunnison, Colorado · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Gunnison, Colorado
Son, age 10
Gunnison, Colorado · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Gunnison-County, Colorado
Son, age 20
Gunnison-County, Colorado · implied b. ~1920 — 6 household members
| Surname | Welch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| Industry | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 John Welch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clyde Welch (~0.92 confidence) and mother Homa Welch (~0.92 confidence) and mother Irena Welch (~0.92 confidence) and mother Irma Welch (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clyde Welch
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Homa Welch
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Irena Welch
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Irma Welch
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Welch
Son · 1940 · age 20 · b. ~1920 · Colorado
★ You are viewing this record
Sibling
Bert Welch
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loran Welch
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gracia Welch
Sibling · 1940 · age 17
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 — Gunnison-County, Colorado
Open full size
1940 US Federal Census — Gunnison-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00464-00190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jack Hauser | 39 | Head | Athletic Director | Nebraska |
| 2 | Evelyn Hauser | 38 | Wife | — | Nebraska |
| 3 | Margaret Miller | 75 | Mother-in-law | — | Ohio |
| 4 | W. W. Mckee | 70 | Head | Banker | Illinois |
| 5 | Fannie Mckee | 66 | Wife | — | Illinois |
| 6 | Edward M. Rollins | 80 | Head | — | Louisiana |
| 7 | Myra B. Rollins | 68 | Wife | — | Iowa |
| 8 | Margaret Rollins | 43 | Daughter | — | Colorado |
| 9 | Clyde Welch | 66 | Head | Co. Judge | Kansas |
| 10 | Irma Welch | 45 | Wife | — | Kansas |
| 11 | Loran Welch | 24 | Son | Janitor | Colorado |
| 12 | John Welch THIS PERSON | 20 | Son | — | Colorado |
| 13 | Gracia Welch | 17 | Daughter | — | Colorado |
| 14 | Bert Welch | 14 | Son | — | Colorado |
| 15 | Millie Mazza | 34 | Head | — | Italy |
| 16 | Ralph Mazza | 18 | Son | Janitor Helper | Colorado |
| 17 | Elvera Mazza | 17 | Daughter | — | Colorado |
| 18 | Arthur Mazza | 15 | Son | — | Colorado |
| 19 | Lucile Mazza | 12 | Daughter | — | Colorado |
| 20 | Rosie Mazza | 9 | Daughter | — | Colorado |
| 21 | Abbie B. Mergelman | 59 | Head | — | California |
| 22 | Warren P. Mergelman | 23 | Son | Desk Clerk | Colorado |
| 23 | Charles Eshbrecht | 48 | Head | Filling Station Operator | Colorado |
| 24 | Rachel Eshbrecht | 41 | Wife | — | Colorado |
| 25 | Mary Davis | 68 | Mother-in-law | — | Scotland |
| 26 | Clyde Hyink | 36 | Head | Osteopathic Doctor | Iowa |
| 27 | Viola Hyink | 36 | Wife | Nurse | Wisconsin |
| 28 | Beverly S. Hyink | 15 | Daughter | — | Colorado |
| 29 | Roderick Hyink | 14 | Son | — | Iowa |
| 30 | M. Curtis Osborn | 69 | Head | — | Iowa |
| 31 | Gertrude Osborn | 61 | Wife | — | Kansas |
| 32 | George Sullivan | 60 | Head | Dentist | England |
| 33 | Ruth Sullivan | 50 | Wife | — | Pennsylvania |
| 34 | Ruth Elizabeth Sullivan | 22 | Daughter | — | Colorado |
| 35 | Arthur Ross Sullivan | 14 | Son | — | Colorado |
| 36 | Anna Steckelberg | 47 | Lodger | Teacher | Nebraska |
| 37 | Luverne Lehotz | 32 | Lodger | Teacher | Nebraska |
| 38 | Mary Giles | 31 | Lodger | Teacher | Nebraska |
| 39 | Mary E. Nance | 28 | Lodger | Teacher | Colorado |
Pedigree Summary
John + 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)