JD
John Dennis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wicomico, Maryland
Our Model Tree links this John Dennis across the 1930 and 1940 US Censuses in Wicomico, Maryland (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 10-person household.
Age 49
b. ~1881
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wicomico, Maryland |
| Surname | Dennis |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Truck Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Parsons Election District 5 Parsons |
| Est. Birth Year | ~1881 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Maggie Dennis | Daughter | — | 19 | ~1911 |
| Mary Dennis | Other | — | 43 | ~1887 |
| Lawrence Dennis | Son | — | 20 | ~1910 |
| Betty Dennis | Daughter | — | 3 | ~1927 |
| Flora Dennis | Daughter | — | 7 | ~1923 |
| Russell Dennis | Son | — | 15 | ~1915 |
| Homer Dennis | Son | — | 13 | ~1917 |
| Ellen Dennis | Other | — | 78 | ~1852 |
| Alvin Dennis | Son | — | 17 | ~1913 |
| John Dennis | Head | — | 49 | ~1881 |
Census Appearances
1930
Wicomico, Maryland
Head, age 49
Wicomico, Maryland · implied b. ~1881 — 10 household members
| Surname | Dennis |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Truck Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Wicomico-County, Maryland
Other, age 56
Wicomico-County, Maryland · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | John |
| Relationship to Head | brother |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 5 Dennis |
| 1935 Residence (County) | Wicomico |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 50 |
| Highest Grade | No 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 John Dennis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dennis
Head · 1930 · age 49 · b. ~1881 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Wicomico, Maryland
Open full size
1930 US Federal Census — Wicomico, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus881unit:0997)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Warner S. Baker | 67 | Head | — | Delaware |
| 2 | Annie E. Baker | 70 | Wife-H | — | Maryland |
| 3 | Edward L. Boyard | 43 | Head | Farmer | Maryland |
| 4 | Lizzie E. Boyard | 39 | Wife-H | — | Maryland |
| 5 | Marie E. Boyard | 19 | Daughter | Fore Lady | Maryland |
| 6 | Chester W. Boyard | 12 | Son | — | Maryland |
| 7 | John G. Boyard | 80 | Father | Laborer | Maryland |
| 8 | John S. Dennis THIS PERSON | 49 | Head | Farmer | Maryland |
| 9 | Mary H. Dennis | 43 | Wife-H | — | Maryland |
| 10 | Lawrence Dennis | 20 | Son | Laborer | Maryland |
| 11 | Maggie B. Dennis | 19 | Daughter | Operator | Maryland |
| 12 | Alvin Dennis | 17 | Son | Laborer | Maryland |
| 13 | Russell Dennis | 15 | Son | Laborer | Maryland |
| 14 | Homer Dennis | 13 | Son | — | Maryland |
| 15 | Flora E. Dennis | 7 | Daughter | — | Maryland |
| 16 | Betty E. Dennis | 3 | Daughter | — | Maryland |
| 17 | Ellen Dennis | 78 | Mother | Laborer | Maryland |
| 18 | Littleton A. Smith | 39 | Head | Farmer | Maryland |
| 19 | Charles E. Smith | 35 | Wife-H | — | Maryland |
| 20 | Robert A. Smith | 21 | Son | Truck Driver | Maryland |
| 21 | Ernest W. Smith | 19 | Son | Laborer | Maryland |
| 22 | Bessie A. Smith | 17 | Daughter | Operator | Maryland |
| 23 | Jordan H. Jones | 45 | Head | Farmer | Maryland |
| 24 | Bessie W. Jones | 38 | Wife-H | — | Maryland |
| 25 | Laura E. Jones | 42 | Daughter | Laborer | Maryland |
| 26 | Bertha G. Jones | 37 | Daughter | Laborer | Maryland |
| 27 | Ernest J. Jones | 40 | Head | Farmer | Maryland |
| 28 | Elizabeth Jones | 38 | Wife-H | — | Maryland |
| 29 | Melvin J. Jones | 18 | Son | Laborer | Maryland |
| 30 | Lester B. Jones | 16 | Son | Laborer | Maryland |
| 31 | Alva E. Jones | 10 | Daughter | — | Maryland |
| 32 | Paul Jones | 8 | Son | — | Maryland |
| 33 | Burton J. Collins | 43 | Head | Farmer | Delaware |
| 34 | Sadie E. Collins | 38 | Wife-H | — | Maryland |
| 35 | Myrtle Collins | 18 | Daughter | Laborer | Maryland |
| 36 | Della Collins | 14 | Daughter | Laborer | Maryland |
| 37 | Josie Collins | 12 | Son | — | Maryland |
| 38 | Eugene Collins | 9 | Son | — | Maryland |
| 39 | Charlie Collins | 20 | Son | Laborer | Maryland |
| 40 | Josie Collins | 17 | Daughter | — | Maryland |
| 41 | Arthur G. Jones | 46 | Head | Farmer | Maryland |
| 42 | Cornelia Jones | 47 | Wife-H | — | Maryland |
| 43 | Jack Jones | 16 | Son | — | Maryland |
| 44 | Thelma Jones | 9 | Daughter | — | Maryland |
| 45 | Ida Jones | 6 | Daughter | — | Maryland |
| 46 | Goldsborough Dennis | 43 | Head | Farmer | Maryland |
| 47 | Martha Dennis | 33 | Wife-H | — | Maryland |
| 48 | Carl V. Dennis | 13 | Son | Laborer | Maryland |
| 49 | Velma P. Dennis | 14 | Daughter | — | Maryland |
| 50 | Roy E. Dennis | 10 | Son | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)