WD
William Dennis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wicomico-County, Maryland
Our Model Tree links this William Dennis across the 1930 and 1940 US Censuses in Wicomico-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wicomico-County, Maryland |
| Surname | Dennis |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 6, Dennis |
| 1935 Residence (County) | Wicomico |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 6 Dennis |
| Est. Birth Year | ~1926 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Dennis | Son | — | 14 | ~1926 |
| William Dennis | Head | — | 38 | ~1902 |
| Francis Dennis | Spouse | — | 33 | ~1907 |
| Betty Dennis | Daughter | — | 13 | ~1927 |
| Mary Dennis | Daughter | — | 7 | ~1933 |
| Jean Dennis | Daughter | — | 5 | ~1935 |
| Jack Dennis | Son | — | 5 | ~1935 |
Census Appearances
1930
Wicomico, Maryland
Son, age 4
Wicomico, Maryland · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Wicomico-County, Maryland
Son, age 14
Wicomico-County, Maryland · implied b. ~1926 — 7 household members
| Surname | Dennis |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 6, Dennis |
| 1935 Residence (County) | Wicomico |
| 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 William Dennis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Dennis
Son · 1940 · age 14 · b. ~1926 · Maryland
★ You are viewing this record
Sibling
Betty Dennis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Dennis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dennis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Dennis
Sibling · 1940 · age 5
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 — Wicomico-County, Maryland
Open full size
1940 US Federal Census — Wicomico-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01563-00603)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorthey L. Jones | 4 | Daughter | — | Maryland |
| 2 | Sam Blake | 34 | Hired hand | Laborer | Maryland |
| 3 | Arthur P. Jones | 56 | Head | Manager | Maryland |
| 4 | Cornelia Jones | 57 | Wife | — | Maryland |
| 5 | Hazel Jones | 28 | Daughter | — | Maryland |
| 6 | Thelma Jones | 18 | Daughter | — | Maryland |
| 7 | Marvin Smith | 19 | Apt. son | Laborer | Maryland |
| 8 | Alvin Dennis | 23 | Head | Manager | Maryland |
| 9 | Della Dennis | 24 | Wife | Laborer | Maryland |
| 10 | Berton J. Collins | 53 | Head | Manager | Delaware |
| 11 | Sadie Collins | 49 | Wife | — | Maryland |
| 12 | John Collins | 22 | Son | Laborer | Maryland |
| 13 | Eugene Collins | 19 | Son | Laborer | Maryland |
| 14 | William W. Dennis | 38 | Head | Manager | Maryland |
| 15 | Francis M. Dennis | 33 | Wife | — | Maryland |
| 16 | William L. Dennis THIS PERSON | 14 | Son | — | Maryland |
| 17 | Betty May Dennis | 13 | Daughter | — | Maryland |
| 18 | Mary Francis Dennis | 7 | Daughter | — | Maryland |
| 19 | Jean Audry Dennis | 5 | Daughter | — | Maryland |
| 20 | Jack Henry Dennis | 5 | Son | — | Maryland |
| 21 | Willard Powell | 52 | Head | Manager | Maryland |
| 22 | Lizzie Powell | 57 | Wife | — | Maryland |
| 23 | Wade Powell | 26 | Son | Laborer | Maryland |
| 24 | Edward Powell | 21 | Son | Laborer | Maryland |
| 25 | Dollie Powell | 18 | Daughter-in-law | Laborer | Maryland |
| 26 | Elijah Evans | 39 | Head | Laborer | Virginia |
| 27 | Florance Evans | 36 | Wife | — | Virginia |
| 28 | Lily May Evans | 17 | Daughter | — | Virginia |
| 29 | Thomas J. Dennis | 43 | Head | Manager | Maryland |
| 30 | Mary E. Dennis | 37 | Wife | — | Maryland |
| 31 | Roy Dennis | 15 | Son | — | Maryland |
| 32 | Charles J. Dennis | 12 | Son | — | Maryland |
| 33 | Norman Pusey | 55 | Head | Manager | Maryland |
| 34 | Eva Pusey | 50 | Wife | — | Maryland |
| 35 | Mary Pusey | 25 | Daughter | Laborer | Maryland |
| 36 | James Fisher | 36 | Head | Manager | Maryland |
| 37 | Edna Fisher | 31 | Wife | Laborer | Maryland |
| 38 | John A. Baker | 67 | Head | — | New York |
| 39 | Elizabeth Baker | 53 | Wife | — | New Jersey |
| 40 | Cornelius H. Baker | 21 | Son | Laborer | New Jersey |
Related Census Records
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)