RH
Robert Hopkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jo-Daviess-County, Illinois
Our Model Tree links this Robert Hopkins across the 1930 and 1940 US Censuses in Jo-Daviess-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jo-Daviess-County, Illinois |
| Surname | Hopkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | ELIZABETH |
| 1935 Residence (County) | JO DAVIESS |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Elizabeth |
| Est. Birth Year | ~1928 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Hopkins | Son | — | 12 | ~1928 |
| Howard Hopkins | Son | — | 14 | ~1926 |
| Fred Hopkins | Head | — | 47 | ~1893 |
| Warren Hopkins | Son | — | 17 | ~1923 |
| Joyce Hopkins | Daughter | — | 9 | ~1931 |
| Charles Hopkins | Son | — | ~1940 | |
| Myrtle Hopkins | Spouse | — | 39 | ~1901 |
| Harriet Hopkins | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Jo Daviess, …
Son, age 2
Jo Daviess, Illinois · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jo-Daviess-County, Illinois
Son, age 12
Jo-Daviess-County, Illinois · implied b. ~1928 — 8 household members
| Surname | Hopkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | ELIZABETH |
| 1935 Residence (County) | JO DAVIESS |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 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 Hopkins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Hopkins
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Warren Hopkins
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Hopkins
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hopkins
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Hopkins
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Hopkins
Sibling · 1940 · age 7
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 — Jo-Daviess-County, Illinois
Open full size
1940 US Federal Census — Jo-Daviess-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00817-00642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bruce Jr. Bryant | 18 | Son | — | Illinois |
| 42 | Fred Hopkins | 47 | Head | Proprietor | Conn |
| 43 | Myrtle Hopkins | 39 | Wife | — | Wisconsin |
| 44 | Warren Hopkins | 17 | Son | — | Illinois |
| 45 | Howard Hopkins | 14 | Son | — | Illinois |
| 46 | Robert Hopkins THIS PERSON | 12 | Son | — | Illinois |
| 47 | Joyce Hopkins | 9 | Daughter | — | Illinois |
| 48 | Harriet Hopkins | 7 | Daughter | — | Illinois |
| 49 | Charles Hopkins | 0 | Son | — | Illinois |
| 50 | Orion Ehredt | 36 | Head | Proprietor | Illinois |
| 51 | Berniece Ehredt | 36 | Wife | Waitress | Illinois |
| 52 | Wm. J. Mckenzie | 76 | Head | Laborer | Illinois |
| 53 | Lou Oberheim | 61 | Head | Veterinarian | Illinois |
| 54 | Margaret Oberheim | 51 | Wife | — | Illinois |
| 55 | Flo Cook | 43 | Head | Laborer | Illinois |
| 56 | Camilla Cook | 36 | Wife | — | Illinois |
| 57 | Nancy Jo Cook | 3 | Daughter | — | Chicago |
| 58 | Owen Jones | 59 | Head | Janitor | England |
| 59 | Matilda Jones | 56 | Wife | — | Illinois |
| 60 | Lester Jones | 25 | Nephew | Attendent | Illinois |
| 61 | Harold Gable | 41 | Head | Proprietor | Illinois |
| 62 | Gertrude Gable | 31 | Wife | Waitress | Illinois |
| 63 | Floyd Tucker | 52 | Head | Barber | Illinois |
| 64 | Mary Tucker | 52 | Wife | — | Illinois |
| 65 | Frank Fraser | 80 | Father in law | — | Illinois |
| 66 | Emily Ehredt | 63 | Head | — | Illinois |
| 67 | Arthur Ehredt | 45 | Son | Buyer | Illinois |
| 68 | Henry Goldhorn | 67 | Head | Proprietor | Germany |
| 69 | Henry Jr. Goldhorn | 40 | Son | Bar-Tender | Illinois |
| 70 | Marie Reynolds | 38 | Daughter | — | Illinois |
| 71 | Royland Reynolds | 42 | Son in law | Barber | Illinois |
| 72 | John Allen | 81 | Head | Farmer | Illinois |
| 73 | Nonie Allen | 54 | Daughter | — | Illinois |
| 74 | Milo Lisk | 29 | Head | Laborer | Illinois |
| 75 | Frieda Lisk | 22 | Wife | — | Illinois |
| 76 | Donald Lee Lisk | 1 | Son | — | Illinois |
| 77 | Marie Hand | 74 | Head | — | Illinois |
| 78 | Percy Stadel | 37 | Head | Carpenter | Illinois |
| 79 | Bertha Stadel | 40 | Wife | — | Illinois |
| 80 | Austin Stadel | 13 | Son | — | 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)