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William Welsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this William Welsh across the 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Welsh |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul, City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | common-labor |
| Industry | brewery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Common-Labor |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marie Welsh | Daughter | — | 11 | ~1929 |
| William Welsh | Head | — | 50 | ~1890 |
| Ralph Welsh | Son | — | 25 | ~1915 |
| Arthur Welsh | Son | — | 18 | ~1922 |
| Amelia Welsh | Spouse | — | 46 | ~1894 |
| Patricia Welsh | Daughter | — | 4 | ~1936 |
| John Wiens | Other | — | 75 | ~1865 |
| William Welsh | Son | — | 23 | ~1917 |
Census Appearances
1930
Ramsey, Minnesota
Son, age 13
Ramsey, Minnesota · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 23
Ramsey-County, Minnesota · implied b. ~1917 — 8 household members
| Surname | Welsh |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul, City |
| 1935 Residence (County) | Ramsey |
| Occupation | common-labor |
| Industry | brewery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 William Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Welsh
Son · 1940 · age 23 · b. ~1917 · Minnesota
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Sibling
Ralph Welsh
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Welsh
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Welsh
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Welsh
Sibling · 1940 · age 11
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01994-00732)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David Brennan | 74 | Head | — | Wisconsin |
| 42 | Mary Brennan | 65 | Wife | — | Ireland |
| 43 | Katherine Brennan | 32 | Daughter | Telephone Operator | Wisconsin |
| 44 | Grace Brennan | 19 | Daughter | — | Wisconsin |
| 45 | Lawrence Brennan | 10 | Son | — | Wisconsin |
| 46 | William P. Welsh | 50 | Head | Truck-Driver | Minnesota |
| 47 | Amelia Welsh | 46 | Wife | — | Minnesota |
| 48 | Ralph John Welsh | 25 | Son | Dish-Washer | Minnesota |
| 49 | William P. Welsh THIS PERSON | 23 | Son | Common-Labor | Minnesota |
| 50 | Arthur Welsh | 18 | Son | — | Minnesota |
| 51 | Marie Welsh | 11 | Daughter | — | Minnesota |
| 52 | Patricia Welsh | 4 | Daughter | — | Minnesota |
| 53 | John Wiens | 75 | Father in law | — | Germany |
| 54 | Louis Lectur | 64 | Head | Salesman | Germany |
| 55 | Robert Lectur | 29 | Son | Boiler-Maker | Minnesota |
| 56 | Catherine Lectur | 21 | Daughter | — | Minnesota |
| 57 | Dorothy Lectur | 19 | Daughter | — | Minnesota |
| 58 | Byron Carl Ricke | 43 | Head | Locomotive Fireman | Minnesota |
| 59 | Gaylord Ricke | 38 | Wife | — | Minnesota |
| 60 | Jocelyn Ricke | 17 | Daughter | — | Minnesota |
| 61 | Myron Ricke | 16 | Son | Grocery-Clerk | Minnesota |
| 62 | Iris Mary Ricke | 11 | Daughter | — | Minnesota |
| 63 | Lawrence Mancuso | 52 | Head | Car-Repairer | Italy |
| 64 | Myrtle Mancuso | 38 | Wife | — | Minnesota |
| 65 | Catherine Mancuso | 14 | Daughter | — | Minnesota |
| 66 | Marie Mancuso | 12 | Daughter | — | Minnesota |
| 67 | George H. Christofson | 33 | Head | Electrical Maintainer | Minnesota |
| 68 | Lenore Christofson | 30 | Wife | — | Iowa |
| 69 | John Christofson | 6 | Son | — | Minnesota |
| 70 | Marilyn Christofson | 1 | Daughter | — | Minnesota |
| 71 | Anita Ann Christofson | 0 | Daughter | — | Minnesota |
| 72 | Marie Olsen | 56 | Head | Seamstress | Norway |
| 73 | Caroline Dahlby | 67 | Sister | — | Norway |
| 74 | Orville Tracy | 39 | Head | Locomotive Fireman | Minnesota |
| 75 | Mae F. Tracy | 37 | Wife | — | Minnesota |
| 76 | Dorothy Tracy | 12 | Daughter | — | Minnesota |
| 77 | Oscar Wallender | 45 | Head | Car-Man | Minnesota |
| 78 | Nettie Wallender | 38 | Wife | — | Minnesota |
| 79 | Nephew Ellsworth | None | M | Mail Order House | — |
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)