JW
John Welsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this John Welsh across the 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Welsh |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Cleaning & Dyeing |
| Class of Worker | OA |
| Hours Worked | 44 |
| Income (1939) | 348 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Proprietor |
| Township / Ward | Phoenix City |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Irene Welsh | Spouse | — | 37 | ~1903 |
| John Welsh | Head | — | 36 | ~1904 |
| Patsy Welsh | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Maricopa, Arizona
Head, age 26
Maricopa, Arizona · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Arizona |
| Age at First Marriage | 20 |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Head, age 36
Maricopa-County, Arizona · implied b. ~1904 — 3 household members
| Surname | Welsh |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Occupation | Proprietor |
| Industry | Cleaning & Dyeing |
| Class of Worker | OA |
| Hours Worked | 44 |
| Income (1939) | 348 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Welsh
Head · 1940 · age 36 · b. ~1904 · Arizona
★ 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 — Maricopa-County, Arizona
Open full size
1940 US Federal Census — Maricopa-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00104-00358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Welsh THIS PERSON | 36 | Head | Proprietor | Arizona |
| 2 | Irene Welsh | 37 | Wife | Stenographer | Kentucky |
| 3 | Patsy Welsh | 15 | Daughter | — | Arizona |
| 4 | Benjamin Miller | 32 | Head | Druggist Manager | Michigan |
| 5 | Barbara Miller | 29 | Wife | — | Minnesota |
| 6 | Ann Miller | 4 | Daughter | — | Arizona |
| 7 | Benjamin Miller | 2 | Son | — | Arizona |
| 8 | Richard Harner | 35 | Head | Rancher | Arizona |
| 9 | Lucille Harner | 33 | Wife | — | California |
| 10 | Janet Marie Harner | 6 | Daughter | — | Arizona |
| 11 | Darrell Mcconkey | 61 | Head | Industrial Equipment | Illinois |
| 12 | Mary Agnes Mcconkey | 60 | Wife | — | Illinois |
| 13 | Rufus Gillespie | 38 | Head | Manager | Mississippi |
| 14 | Katherine Gillespie | 33 | Wife | — | Missouri |
| 15 | George Gillespie | 2 | Son | — | Arizona |
| 16 | Lucia Gillespie | 1 | Daughter | — | Arizona |
| 17 | Dora Peters | 32 | Maid | Maid | Arizona |
| 18 | Jacob Alpers | 42 | Head | Trucking | Wisconsin |
| 19 | Freda Alpers | 31 | Wife | — | Illinois |
| 20 | Rozan Alpers | 7 | Daughter | — | Illinois |
| 21 | Marlene Alpers | 1 | Daughter | — | Arizona |
| 22 | Orell Johnson | 23 | Maid | Maid | Louisiana |
| 23 | Oliver Howell | 45 | Head | Salesman | Kansas |
| 24 | Alberta Howell | 40 | Wife | — | California |
| 25 | Suzanne Howell | 10 | Daughter | — | California |
| 26 | Thomas Howell | 8 | Son | — | California |
| 27 | Edward Harrington | 46 | Head | Manager | Minnesota |
| 28 | Elizabeth Harrington | 45 | Wife | — | Nebraska |
| 29 | Philip Baldwin | 34 | Head | Teller | Colorado |
| 30 | Mary Belle Baldwin | 24 | Daughter | Stenographer | Colorado |
| 31 | Wilfred Bainbridge | 37 | Head | Manager | Colorado |
| 32 | Ellen Bainbridge | 37 | Wife | — | Arizona |
| 33 | Marilyn Bainbridge | 14 | Daughter | — | Arizona |
| 34 | Lola Smith | 30 | Maid | Maid | Oklahoma |
| 35 | William Baker | 44 | Head | Dentist | Illinois |
| 36 | Ann Louise Baker | 49 | Wife | — | Ontario |
| 37 | William Baker | 19 | Son | — | Arizona |
| 38 | Mary Ellen Baker | 13 | Daughter | — | Arizona |
| 39 | Ethel Hannah | 37 | Maid | Maid | Arizona |
| 40 | John R. Dayton | 38 | Head | Trucking | Arizona |
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)