MH
Mary Hopkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Hopkins across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Clinton — first a daughter (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Hopkins |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1883 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hopkins | Daughter | — | 57 | ~1883 |
| Clinton Curry | Head | — | 68 | ~1872 |
| Richard Hopkins | Other | — | 27 | ~1913 |
| Hollis Hopkins | Other | — | 58 | ~1882 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 34
Baltimore, Maryland · implied b. ~1886 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | Mary Irene |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 46
Baltimore, Maryland · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 57
Baltimore-City-County, Maryland · implied b. ~1883 — 4 household members
| Surname | Hopkins |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Clinton Curry (~0.60 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.6
Father
Clinton Curry
b. ~1872
Source father
● Household
· direct · ~0.6
This person
Anchor record
Mary Hopkins
Daughter · 1940 · age 57 · b. ~1883 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01525-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Horwitz | 58 | Head | Grocer | Russia |
| 2 | Bessie Horwitz | 58 | Wife | — | Russia |
| 3 | Mary R. Heaphy | 62 | Head | — | Baltimore |
| 4 | William E. Heaphy | 37 | Son | Rate Clerk | Baltimore |
| 5 | Mary Blanche Heaphy | 26 | Daughter | Stenographer | Baltimore |
| 6 | Francis X. Heaphy | 23 | Son | Printers Apprentice | Baltimore |
| 7 | Loretta M. Connelly | 44 | Sister | Tometer Dept | Baltimore |
| 8 | Charles E. Cloney | 36 | Head | Printer | Maryland |
| 9 | Nellie E. Cloney | 33 | Wife | — | Maryland |
| 10 | Charles E. Jr. Cloney | 9 | Son | — | Maryland |
| 11 | Estelle Keenan | 26 | Sister-in-law | Stenographer | Maryland |
| 12 | Harry Z. La Porte | 62 | Head | Utility Man | Maryland |
| 13 | Gertrude I. La Porte | 63 | Wife | — | Maryland |
| 14 | Adelaide La Porte | 32 | Daughter | Stenographer | Maryland |
| 15 | Tyler La Porte | 27 | Son | Clerk | Maryland |
| 16 | Julian T. Milburn | 62 | Lodger | Attendant | Maryland |
| 17 | Joseph L. Donohue | 58 | Head | Clerical | Maryland |
| 18 | Rose W. Donohue | 49 | Wife | — | Maryland |
| 19 | C. Ada R. Donohue | 25 | Daughter | Stenographer | Maryland |
| 20 | William H. Dean | 28 | Head | Collector | Maryland |
| 21 | Mary Dean | 20 | Wife | Saleslady | Maryland |
| 22 | William F. Slater | 55 | Head | Chief Receiver | Maryland |
| 23 | Lula M. Slater | 56 | Wife | — | Maryland |
| 24 | George W. Barry | 60 | Head | Clerical | Maryland |
| 25 | Lesby A. Barry | 60 | Wife | — | Maryland |
| 26 | Betty Lou Young | 14 | Granddaughter | — | Maryland |
| 27 | Frank B. Tilton | 48 | Head | — | Maryland |
| 28 | Rubie A. Tilton | 44 | Wife | — | Maryland |
| 29 | Frank B. Jr. Tilton | 21 | Son | Modeler | Maryland |
| 30 | Otho Lee Tilton | 17 | Son | — | Maryland |
| 31 | Elmer Tilton | 13 | Son | — | Maryland |
| 32 | Clinton E. Curry | 68 | Head | Electrician | Maryland |
| 33 | Hollis H. Hopkins | 58 | Son-in-law | Bookkeeper | Maryland |
| 34 | Mary E. Hopkins THIS PERSON | 57 | Daughter | — | Maryland |
| 35 | Richard L. Hopkins | 27 | Grandson | Salesman | Maryland |
| 36 | Jesse T. Moore | 68 | Head | Sta. Operator | Pennsylvania |
| 37 | Emma F. Moore | 50 | Wife | — | Pennsylvania |
| 38 | Bernard W. Fisher | 44 | Lodger | Electrical Engineer | Maryland |
| 39 | Winfield S. Stewart | 31 | Lodger | Clerical | Pennsylvania |
| 40 | J. Leonard Finn | 27 | Head | Heater | Maryland |
Pedigree Summary
Mary
Gen 1 · 1 parents
~0.6
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)