WG
William Gross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calvert-County, Maryland
Our Model Tree links this William Gross across the 1930 and 1940 US Censuses in Calvert-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 13-person household.
Age 17
b. ~1923
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calvert-County, Maryland |
| Surname | Gross |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | First Election District Solomons Island |
| 1935 Residence (County) | Calvert |
| Additional Details | |
| Occupation | Waterman |
| Industry | Oyster fish |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 11 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Waterman |
| Township / Ward | First Election District Solomons Island |
| Est. Birth Year | ~1923 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edith Gross | Daughter | — | 8 | ~1932 |
| Lewis Gross | Son | — | 10 | ~1930 |
| Viola Gross | Daughter | — | 19 | ~1921 |
| Doris Gross | Daughter | — | 1 | ~1939 |
| William Gross | Son | — | 17 | ~1923 |
| Ophelia Gross | Daughter | — | 14 | ~1926 |
| Hannah Gross | Spouse | — | 39 | ~1901 |
| Agnes Gross | Daughter | — | 4 | ~1936 |
| Theresa Gross | Daughter | — | 12 | ~1928 |
| Archie Gross | Head | — | 40 | ~1900 |
| Ernest Gross | Son | — | 5 | ~1935 |
| Anna Gross | Daughter | — | 7 | ~1933 |
| Charles Gross | Son | — | 15 | ~1925 |
Census Appearances
1930
Calvert, Maryland
Other, age 9
Calvert, Maryland · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | William G. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Calvert-County, Maryland
Son, age 17
Calvert-County, Maryland · implied b. ~1923 — 13 household members
| Surname | Gross |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | First Election District Solomons Island |
| 1935 Residence (County) | Calvert |
| Occupation | Waterman |
| Industry | Oyster fish |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 11 |
| Highest Grade | No 7 |
| 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 William Gross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Gross
Son · 1940 · age 17 · b. ~1923 · Maryland
★ You are viewing this record
Sibling
Anna Gross
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Gross
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Gross
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Gross
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Gross
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Gross
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Gross
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Gross
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ophelia Gross
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Gross
Sibling · 1940 · age 4
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 — Calvert-County, Maryland
Open full size
1940 US Federal Census — Calvert-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01543-00098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude Weems | 11 | daughter | — | Maryland |
| 2 | Elizabeth Weems | 9 | daughter | — | Maryland |
| 3 | Willett Weems | 7 | son | — | Maryland |
| 4 | Columbus Bafford | 69 | head | — | Maryland |
| 5 | Rebecca Bafford | 66 | wife | — | Maryland |
| 6 | Anna Bafford | 27 | daughter | — | Maryland |
| 7 | Wilson Bafford | 25 | son | Farmer | Maryland |
| 8 | Eunice Bafford | 20 | daughter | — | Maryland |
| 9 | Alex Philips | 25 | head | Laborer | Maryland |
| 10 | Elizabeth Philips | 20 | wife | — | Maryland |
| 11 | Alex Philips | 8 | son | — | Maryland |
| 12 | Archie Gross | 40 | head | Waterman | Maryland |
| 13 | Hannah Gross | 39 | wife | — | Maryland |
| 14 | Viola Gross | 19 | daughter | — | Maryland |
| 15 | William Gross THIS PERSON | 17 | son | Waterman | Maryland |
| 16 | Charles Gross | 15 | son | Waterman | Maryland |
| 17 | Ophelia Gross | 14 | daughter | — | Maryland |
| 18 | Theresa Gross | 12 | daughter | — | Maryland |
| 19 | Lewis Gross | 10 | son | — | Maryland |
| 20 | Edith Gross | 8 | daughter | — | Maryland |
| 21 | Anna Gross | 7 | daughter | — | Maryland |
| 22 | Ernest Gross | 5 | son | — | Maryland |
| 23 | Agnes Gross | 4 | daughter | — | Maryland |
| 24 | Doris Gross | 1 | daughter | — | Maryland |
| 25 | Willett Weems | 38 | head | Laborer | Maryland |
| 26 | Annie Weems | 36 | wife | — | Maryland |
| 27 | James Myers | 41 | head | Waterman | Maryland |
| 28 | Martha Myers | 39 | wife | Cook | Maryland |
| 29 | Edward Bishop | 29 | son-in-law | Oyster Shucker | Maryland |
| 30 | Elsie Bishop | 21 | daughter | Oyster Shucker | Maryland |
| 31 | Alvin Myers | 21 | son | Oyster Shucker | Maryland |
| 32 | Eva Myers | 18 | daughter | — | Maryland |
| 33 | Lillian Myers | 16 | daughter | — | Maryland |
| 34 | Gladys Myers | 14 | daughter | — | Maryland |
| 35 | Herman Smith | 38 | head | Oyster Shucker | Maryland |
| 36 | Nettie Smith | 38 | wife | — | Maryland |
| 37 | Ruth Smith | 13 | daughter | — | Maryland |
| 38 | Bessie Smith | 9 | daughter | — | Maryland |
| 39 | Catherine Smith | 2 | daughter | — | Maryland |
| 40 | William Foote | 51 | head | Waterman | 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)