JH
John Hopkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wicomico-County, Maryland
Our Model Tree links this John Hopkins across the 1920, 1930 and 1940 US Censuses in Wicomico-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 5-person household.
Age 67
b. ~1873
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wicomico-County, Maryland |
| Surname | Hopkins |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Salisbury |
| 1935 Residence (County) | Wicomico |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Salisbury |
| Est. Birth Year | ~1873 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Frances Hopkins | Daughter | — | 36 | ~1904 |
| Sophie Hopkins | Daughter | — | 34 | ~1906 |
| John Hopkins | Head | — | 67 | ~1873 |
| William Hopkins | Son | — | 21 | ~1919 |
| Minnie Hopkins | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Wicomico, Maryland
Head, age 45
Wicomico, Maryland · implied b. ~1875 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Wicomico, Maryland
Head, age 55
Wicomico, Maryland · implied b. ~1875 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Teacher |
| Industry | Music |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Wicomico-County, Maryland
Head, age 67
Wicomico-County, Maryland · implied b. ~1873 — 5 household members
| Surname | Hopkins |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Salisbury |
| 1935 Residence (County) | Wicomico |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| 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 John Hopkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Hopkins
Head · 1940 · age 67 · b. ~1873 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wicomico-County, Maryland
Open full size
1940 US Federal Census — Wicomico-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01563-00198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Milton Morgan | 30 | Son in Law | Laborer | Maryland |
| 42 | Joyce B. Morgan | 11 | Granddaughter | — | Maryland |
| 43 | Allen M. Morgan | 8 | Grandson | — | Maryland |
| 44 | Shirley M. Morgan | 6 | Granddaughter | — | Maryland |
| 45 | Richard E. Morgan | 3 | Grandson | — | Maryland |
| 46 | Annie F. Davis | 59 | Head | — | Delaware |
| 47 | Howard Mc. F. Davis | 32 | Son | — | Maryland |
| 48 | Eva G. Estes | 39 | Servant | Poultry And Farm Work | North Carolina |
| 49 | Jacob E. Saylor | 70 | Head | — | Maryland |
| 50 | Martha E. Saylor | 70 | Wife | — | Maryland |
| 51 | John J. Hopkins THIS PERSON | 67 | Head | — | Maryland |
| 52 | Minnie B. Hopkins | 62 | Wife | — | Maryland |
| 53 | Frances P. Hopkins | 36 | Daughter | — | Maryland |
| 54 | Sophie J. Hopkins | 34 | Daughter | Typist | Maryland |
| 55 | William S. Hopkins | 21 | Son | — | Maryland |
| 56 | Harry E. Adkins | 57 | Head | Department Head | Maryland |
| 57 | Hilda J. Adkins | 39 | Wife | — | Maryland |
| 58 | Eleanor F. Adkins | 9 | Daughter | — | Maryland |
| 59 | Lethia Cooton | 38 | Servant | Maid | Maryland |
| 60 | Wallace H. White | 52 | Head | Manager | Maryland |
| 61 | Elsie M. White | 48 | Wife | Hostess | Maryland |
| 62 | Laura V. White | 24 | Daughter | Asst. | Maryland |
| 63 | George Mc. D. Willis | 30 | Lodger | Investigator & Insurance Clerk | Maryland |
| 64 | Charles E. King | 78 | Head | — | Maryland |
| 65 | Elsie M. Thompson | 41 | Daughter | — | Delaware |
| 66 | Minnie P. Matthews | 51 | Head | Operator | Maryland |
| 67 | S. Ella Matthews | 81 | Mother | — | Maryland |
| 68 | Jas. H. Elliott | 24 | Head | Floor Walker | Maryland |
| 69 | Delia M. Elliott | 19 | Wife | — | Maryland |
| 70 | Evelyn Runyan | 42 | Head | Secretary | Arkansas |
| 71 | Thomas Jr. Runyan | 18 | Son | — | Arkansas |
| 72 | Florence Schmitt | 24 | Head | — | New Jersey |
| 73 | John R. Crawford | 41 | Lodger | Travelling Salesman | Iowa |
| 74 | Millard Coffin | 45 | Brother | Travelling Salesman | Maryland |
| 75 | Elwood Fleming | 37 | Head | Manager | Maryland |
| 76 | Minnie Fleming | 36 | Wife | — | Maryland |
| 77 | Geo. H. Baker | 74 | Head | — | Virginia |
| 78 | Susie L. Baker | 67 | Wife | — | Maryland |
| 79 | Franklin A. Baker | 21 | Son | Secretary | Maryland |
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)