RH
Robert Holmes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Robert Holmes across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Carl & Gertrude — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Holmes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Rockford |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Carl Holmes | Head | — | 60 | ~1880 |
| Hulda Holmes | Spouse | — | 60 | ~1880 |
| Robert Holmes | Son | — | 21 | ~1919 |
| Raymond Holmes | Son | — | 18 | ~1922 |
Census Appearances
1920
Winnebago, Illinois
Son, age 1
Winnebago, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Son, age 11
Winnebago, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Son, age 21
Winnebago-County, Illinois · implied b. ~1919 — 4 household members
| Surname | Holmes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Holmes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Holmes (~0.92 confidence) and mother Gertrude Holmes (~0.92 confidence) and mother Hulda Holmes (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Holmes
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Gertrude Holmes
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Hulda Holmes
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Holmes
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Raymond Holmes
Sibling · 1940 · age 18
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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00913-00711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willard Schulstrom | 14 | Son | 0 | Illinois |
| 2 | Russell Schulstrom | 10 | Son | 0 | Illinois |
| 3 | David Larson | 42 | Head | Machinist | Sweden |
| 4 | Myrtle Larson | 33 | Wife | 0 | Illinois |
| 5 | Harold Larson | 3 | Son | 0 | Illinois |
| 6 | Gertrude Brodd | 30 | Sister-in-law | Retail Clerk | Illinois |
| 7 | Charles Woininik | 40 | Head | Production Clerk | Illinois |
| 8 | Mabel C. Woininik | 46 | Wife | 0 | Illinois |
| 9 | Donald G. Woininik | 9 | Son | 0 | Illinois |
| 10 | R. W. Cardwell | 44 | Lodger | Accountant | Illinois |
| 11 | Donald Glinn | 31 | Head | Meat Cutter | Illinois |
| 12 | Margaret Glinn | 28 | Wife | Punch Press Operator | Wisconsin |
| 13 | Ray Eggen | 30 | Head | Service Station Manager | Illinois |
| 14 | Myrtle Eggen | 29 | Wife | Billing Clerk | Illinois |
| 15 | Elver Johnson | 38 | Head | Machinist | Iowa |
| 16 | Violet Johnson | 33 | Wife | Machine Op. | Illinois |
| 17 | Carl Albert Holmes | 60 | Head | Machinist | Sweden |
| 18 | Hulda Holmes | 60 | Wife | 0 | Sweden |
| 19 | Robert Holmes THIS PERSON | 21 | Son | Machinist | Illinois |
| 20 | Raymond Holmes | 18 | Son | Apprentice Machinist | Illinois |
| 21 | Arthur Smedberg | 56 | Head | Cabinet Maker | Sweden |
| 22 | Ragnar Smedberg | 26 | Son | Upper Mkr. | Illinois |
| 23 | Doris Smedberg | 23 | Daughter | 0 | Sweden |
| 24 | Ruth Smedberg | 18 | Daughter | 0 | Illinois |
| 25 | Edward Larson | 65 | Head | Upholsterer | Sweden |
| 26 | Hilma Larson | 65 | Wife | 0 | Sweden |
| 27 | Edward W. Larson | 41 | Son | Excavator | Illinois |
| 28 | Arthur S. Larson | 35 | Son | Excavator | Illinois |
| 29 | Vivian L. Larson | 29 | Daughter | Music Teacher | Illinois |
| 30 | Oscar Olson | 52 | Head | Machine Operator | Sweden |
| 31 | Hulda Olson | 46 | Wife | 0 | Sweden |
| 32 | Loraine Olson | 10 | Daughter | 0 | Illinois |
| 33 | Erick Johnson | 63 | Head | Maintenance Man | Sweden |
| 34 | Ellen Johnson | 58 | Wife | 0 | Sweden |
| 35 | Elmer Johnson | 28 | Son | Set-Up Man | Illinois |
| 36 | George De Groff | 30 | Head | Shipping Clerk | Illinois |
| 37 | Margaret De Groff | 25 | Wife | Dressmaker | Illinois |
| 38 | Munford Alford | 24 | Head | Tool Maker | Illinois |
| 39 | Esther Alford | 26 | Wife | Home & Helper | Illinois |
| 40 | Oscar Hart | 60 | Head | Night Watchman | Illinois |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 3 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)