RW
Robert Welch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Robert Welch across the 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Welch |
| Given Name | Robert K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| John Welch | Son | — | 15 | ~1925 |
| Mary Welch | Daughter | — | 16 | ~1924 |
| Herbert Welch | Head | — | 43 | ~1897 |
| William Welch | Son | — | 7 | ~1933 |
| Herbert Welch | Son | — | 13 | ~1927 |
| Rose Welch | Spouse | — | 44 | ~1896 |
| Gerald Welch | Son | — | 9 | ~1931 |
| Robert Welch | Son | — | 11 | ~1929 |
| Thomas Welch | Son | — | 5 | ~1935 |
Census Appearances
1930
Hennepin, Minnesota
Son, age 1
Hennepin, Minnesota · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Robert K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Son, age 11
Hennepin-County, Minnesota · implied b. ~1929 — 9 household members
| Surname | Welch |
| Given Name | Robert K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 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 Robert Welch across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Welch
Son · 1940 · age 11 · b. ~1929 · Minnesota
★ You are viewing this record
Sibling
Herbert Welch
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Welch
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Welch
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Welch
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Welch
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Welch
Sibling · 1940 · age 5
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01993-00841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Klundenaes | 25 | Head | Maid | Iowa |
| 2 | Bertha M. Hayden | 50 | Head | — | Minnesota |
| 3 | Caroline Twitchell | 56 | Friend | — | Minnesota |
| 4 | Herbert F. Welch | 43 | Head | Housekeeper | Minnesota |
| 5 | Rose A. Welch | 44 | Wife | Attorney | South Dakota |
| 6 | Mary M. Welch | 16 | Daughter | — | Minnesota |
| 7 | John J. Welch | 15 | Son | — | Minnesota |
| 8 | Herbert J. Jr. Welch | 13 | Son | — | Minnesota |
| 9 | Robert K. Welch THIS PERSON | 11 | Son | — | Minnesota |
| 10 | Gerald E. Welch | 9 | Son | — | Minnesota |
| 11 | William W. Welch | 7 | Son | — | Minnesota |
| 12 | Thomas P. Welch | 5 | Son | — | Minnesota |
| 14 | Clarence R. Thompson | 61 | Head | Owner | Minnesota |
| 15 | Ruth Thompson | 58 | Wife | — | Iowa |
| 16 | Robert W. Thompson | 20 | Son | — | Minnesota |
| 17 | Franz C. Bruer | 51 | Head | Owner | Iowa |
| 18 | Marie Bruer | 48 | Wife | — | Minnesota |
| 19 | Donald H. Bruer | 18 | Son | Salesman | Minnesota |
| 20 | Robert H. Bruer | 15 | Son | Delivery Boy | Minnesota |
| 21 | James L. Bruer | 9 | Son | — | Minnesota |
| 22 | Gustave C. Lehner | 65 | Head | Asst. Treasurer And Secy. | Germany |
| 23 | Theresa M. Lehner | 55 | Wife | — | Minnesota |
| 24 | Harriet Spicaphy | 25 | Maid | Maid | Minnesota |
| 25 | Cline T. Naugle | 50 | Head | Contractor | Ohio |
| 26 | Jessie C. Naugle | 50 | Wife | — | Ohio |
| 27 | Donald C. Naugle | 27 | Son | Sales Clerk | Minnesota |
| 28 | Richard C. Naugle | 17 | Son | — | Minnesota |
| 29 | Lois J. Naugle | 14 | Daughter | — | Minnesota |
| 30 | Evelyn M. Hawkinson | 44 | Head | — | Minnesota |
| 31 | Miner M. Hawkinson | 24 | Son | Bookkeeper | Minnesota |
| 33 | Harry K. Childlow | 68 | Head | General Superintendent | Ohio |
| 34 | Annette Childlow | 68 | Wife | — | Ohio |
| 35 | Arnold S. Brohel | 26 | Son-in-law | Salesman | Minnesota |
| 36 | Annette Brohel | 24 | Daughter | — | North Dakota |
| 37 | Victor W. Kraer | 45 | Head | Artist | North Dakota |
| 38 | Marie Kraer | 45 | Wife | Asst. Cashier | North Dakota |
| 39 | William F. Kraer | 19 | Son | Delivery Boy | Minnesota |
| 40 | Lorraine M. Kraer | 17 | Daughter | — | Minnesota |
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)