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Robert Welch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Robert Welch across the 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Welch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Kewanee City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Betty Welch | Daughter | — | 9 | ~1931 |
| Robert Welch | Son | — | 17 | ~1923 |
| James Welch | Head | — | 43 | ~1897 |
| Jackie Welch | Son | — | 5 | ~1935 |
| Phylis Welch | Daughter | — | 12 | ~1928 |
| Billie Welch | Son | — | 19 | ~1921 |
| Lena Welch | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Henry, Illinois
Son, age 7
Henry, Illinois · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Son, age 17
Henry-County, Illinois · implied b. ~1923 — 7 household members
| Surname | Welch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Betty Welch
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phylis Welch
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Welch
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Welch
Sibling · 1940 · age 19
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 — Henry-County, Illinois
Open full size
1940 US Federal Census — Henry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00812-00199)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norene Sexton | 44 | Head | Sales Lady | Illinois |
| 42 | Vincent Bumbick | 24 | Son | Truck Driver | Illinois |
| 43 | James Welch | 43 | Head | Janitor | Illinois |
| 44 | Lena D. Welch | 42 | Wife | — | Illinois |
| 45 | Billie Welch | 19 | Son | Order Clerk | Illinois |
| 46 | Robert Welch THIS PERSON | 17 | Son | — | Illinois |
| 47 | Phylis Welch | 12 | Daughter | — | Illinois |
| 48 | Betty Lou Welch | 9 | Daughter | — | Illinois |
| 49 | Jackie Welch | 5 | Son | — | Illinois |
| 50 | C. E. Becker | 55 | Head | Foreman | Illinois |
| 51 | Edith V. Becker | 51 | Wife | — | Illinois |
| 52 | Herman Benke | 62 | Head | Foundry | Germany |
| 53 | Myrtle D. Benke | 60 | Wife | Core Setter | Illinois |
| 54 | Roland Benke | 22 | Son | Machinist | Illinois |
| 55 | William Benke | 30 | Head | — | Illinois |
| 56 | Dorothy Benke | 26 | Wife | — | Illinois |
| 57 | Betty Benke | 9 | Daughter | — | Illinois |
| 58 | Helen Benke | 3 | Daughter | — | Illinois |
| 59 | Lawrence Smith | 29 | Head | Proprietor | Illinois |
| 60 | Grace V. Smith | 30 | Wife | — | Tennessee |
| 61 | Levamay Smith | 14 | Daughter | — | Illinois |
| 62 | Oramay Smith | 13 | Daughter | — | Illinois |
| 63 | Adelia Jean Smith | 10 | Daughter | — | Illinois |
| 64 | Ora Walker | 49 | Mother-in-law | Maid | Tennessee |
| 65 | John Hess | 29 | Brother-in-law | Laborer | Tennessee |
| 66 | William Wilson | 55 | Head | Helper | Illinois |
| 67 | Bertha D. Wilson | 51 | Wife | — | Illinois |
| 68 | Bernadine Wilson | 15 | Daughter | — | Illinois |
| 69 | Shirley Wilson | 12 | Daughter | — | Illinois |
| 70 | Charles D. Jacobs | 53 | Head | Trucker | Illinois |
| 71 | Ruby Jacobs | 45 | Wife | — | Illinois |
| 72 | Clifford Jacobs | 18 | Son | — | Illinois |
| 73 | Dorothy Jacobs | 12 | Daughter | — | Illinois |
| 74 | Charles Jacobs | 9 | Son | — | Illinois |
| 75 | Nels Peterson | 76 | Head | Laborer | Sweden |
| 76 | Eva Pyle | 59 | Housekeeper | Housekeeper | Illinois |
| 77 | A. L. Roche | 74 | Head | Inspector | Illinois |
| 78 | Sophia V. Roche | 70 | Wife | — | Germany |
| 79 | Elizabeth Sheffer | 55 | Sister-in-law | Machinist | Illinois |
| 80 | Frank Shultz | 66 | Head | — | Illinois |
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)