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Mary Hopkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Mary Hopkins across the 1920, 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed), with identified parents W & John — first a daughter (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Hopkins |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Granite City |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | 35 |
| Industry | Teacher |
| Class of Worker | Public School |
| Hours Worked | 35 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | 35 |
| Township / Ward | Granite City |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Hopkins | Daughter | — | 33 | ~1907 |
| Ruth Hopkins | Daughter | — | 34 | ~1906 |
| Mary Hopkins | Daughter | — | 31 | ~1909 |
| William Hopkins | Head | — | 61 | ~1879 |
| Marie Hopkins | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Madison, Illinois
Daughter, age 10
Madison, Illinois · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Wales |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Madison, Illinois
Daughter, age 21
Madison, Illinois · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Age at First Marriage | 94 |
| Father's Birthplace | Wales |
| Mother's Birthplace | England |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Illinois
Daughter, age 31
Madison-County, Illinois · implied b. ~1909 — 5 household members
| Surname | Hopkins |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Granite City |
| 1935 Residence (County) | Madison |
| Occupation | 35 |
| Industry | Teacher |
| Class of Worker | Public School |
| Hours Worked | 35 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mary Hopkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Hopkins (~0.92 confidence) and father John Hopkins (~0.92 confidence) and father William Hopkins (~0.92 confidence) and mother Marie Hopkins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Hopkins
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Hopkins
b. ~1879
Source father
● Household
· direct · ~0.92
Father
William Hopkins
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Marie Hopkins
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hopkins
Daughter · 1940 · age 31 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Ruth Hopkins
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Hopkins
Sibling · 1940 · age 33
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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00850-00540)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John C. Gorman | 14 | Son | — | Illinois |
| 42 | Robert F. Gorman | 11 | Son | — | Illinois |
| 43 | Lawrence E. Gorman | 9 | Son | — | Missouri |
| 44 | Joseph E. Gorman | 7 | Son | — | Missouri |
| 45 | Michael J. Gorman | 3 | Son | — | Missouri |
| 46 | Kathryn Thompson | 43 | Servant | Housekeeper | Kentucky |
| 47 | Berdine O. Garves | 61 | Head | — | Illinois |
| 48 | Flora Garves | 60 | Wife | — | Missouri |
| 49 | George G. Gallo | 66 | Head | — | Yugoslavia |
| 50 | Kathryn Gallo | 66 | Wife | — | Yugoslavia |
| 51 | Katherine Gallo | 32 | Daughter | 40 | Illinois |
| 52 | Anna Gallo | 30 | Daughter | 40 | Illinois |
| 53 | Sue Gallo | 28 | Daughter | 40 | Illinois |
| 54 | Steve Gallo | 26 | Son | 40 | Illinois |
| 55 | John G. Lafleur | 31 | Head | 44 | Missouri |
| 56 | Gertrude Lafleur | 31 | Wife | 40 | England |
| 57 | George E. Weber | 44 | Head | 48 | Illinois |
| 58 | Caroline Weber | 44 | Wife | — | Illinois |
| 59 | Ed T. Hunt | 46 | Head | 32 | Illinois |
| 60 | Flossie Hunt | 43 | Wife | 35 | Illinois |
| 61 | June Hunt | 21 | Daughter | 45 | Illinois |
| 62 | Donald C. Hunt | 8 | Son | — | Illinois |
| 63 | Sally Hunt | 78 | Mother | — | Illinois |
| 64 | Andrew Lucido | 47 | Head | 60 | Italy |
| 65 | Edith Lucido | 47 | Wife | — | Missouri |
| 66 | Robert E. Lucido | 19 | Son | 5 | Illinois |
| 67 | William G. Hopkins | 61 | Head | 3 | England |
| 68 | Marie Hopkins | 57 | Wife | — | England |
| 69 | Ruth Hopkins | 34 | Daughter | 41 | Indiana |
| 70 | Dorothy Hopkins | 33 | Daughter | 35 | Indiana |
| 71 | Mary E. Hopkins THIS PERSON | 31 | Daughter | 35 | Indiana |
| 72 | John C. Schill | 48 | Head | 70 | Illinois |
| 73 | Edith E. Schill | 49 | Wife | — | Illinois |
| 74 | Jack E. Schill | 8 | Son | — | Illinois |
| 75 | June E. Schill | 19 | Daughter | — | Illinois |
| 76 | John Theis | 40 | Head | 40 | Germany |
| 77 | Mary Theis | 37 | Wife | — | Yugoslavia |
| 78 | Evelyn Theis | 13 | Daughter | — | Illinois |
| 79 | Richard Theis | 11 | Son | — | Illinois |
| 80 | Howard Theis | 9 | Son | — | Illinois |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 4 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)