WG
William Gross — 1940 US Census Record
Model Tree available1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this William Gross across the 1900, 1910, 1920, 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed), with identified parents Annie & John — first a head (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Gross |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 245 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Washington |
| Est. Birth Year | ~1898 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ora Gross | Spouse | — | 32 | ~1908 |
| Elizabeth Gross | Daughter | — | 19 | ~1921 |
| William Gross | Head | — | 42 | ~1898 |
| Sterling Gross | Son | — | 5 | ~1935 |
| Nathaniel Gross | Son | — | 16 | ~1924 |
| Theodore Gross | Daughter | — | 18 | ~1922 |
Census Appearances
1900
Anne Arundel, …
Son, age 6
Anne Arundel, Maryland · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Mch |
| Birth Year | 1894 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
None, District …
Son, age 15
None, District of Columbia · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Feed shop |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
None, District …
Other, age 25
None, District of Columbia · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | William B. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Street Dept |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
None, District …
Head, age 32
None, District of Columbia · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Street |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 18 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
District-Of-Columbia-County, District …
Head, age 42
District-Of-Columbia-County, District of Columbia · implied b. ~1898 — 6 household members
| Surname | Gross |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 245 |
| 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 Gross across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Annie Gross (~0.92 confidence) and father John Gross (~0.92 confidence) and father Benjamin Gross (~0.92 confidence) and mother Frances Gross (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Gross
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
John Gross
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Benjamin Gross
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Frances Gross
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gross
Head · 1940 · age 42 · b. ~1898 · District of Columbia
★ 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 — District-Of-Columbia-County, District of Columbia
Open full size
1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00568-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oliver G. Wing | 51 | Head | Pastor | Maryland |
| 42 | Viola B. Wing | 46 | Wife | — | Maryland |
| 43 | Wynona S. Wing | 26 | Daughter | School Teacher | Maryland |
| 44 | Junior G. Wing | 25 | Son | Messenger | Maryland |
| 45 | Almeda L. Wing | 23 | Daughter | Hairdresser | Virginia |
| 46 | Sarah M. Wing | 21 | Daughter | Seamstress | Virginia |
| 47 | Ellsworth S. Wing | 19 | Son | Clerk | Virginia |
| 48 | Lura T. Wing | 17 | Daughter | — | Virginia |
| 49 | Irene Pleasant | 68 | Head | — | South Carolina |
| 50 | William Pleasant | 57 | Brother | — | South Carolina |
| 51 | James T. Young | 71 | Head | Minister | D.C. |
| 52 | Anna Young | 66 | Wife | — | D.C. |
| 53 | Mary Claire Young | 2 | Daughter | — | D.C. |
| 54 | Jesse Mildred | 31 | Lodger | Laborer | South Carolina |
| 55 | Matilda Mildred | 33 | Lodger | — | South Carolina |
| 56 | Thomas F. Coron | 68 | Head | — | Virginia |
| 57 | Mamie Coron | 63 | Wife | — | Virginia |
| 58 | Paul H. Coron | 41 | Son | Salesman | Virginia |
| 59 | Jennie Caldwell | 68 | Head | — | D.C. |
| 60 | Lona Thornwell | 45 | Lodger | Drill Helper | North Carolina |
| 61 | Jennie Thornwell | 54 | Lodger | — | D.C. |
| 62 | Carrie J. Diggs | 28 | Head | — | D.C. |
| 63 | Janice Diggs | 2 | Daughter | — | Colorado |
| 64 | James Thomas | 55 | Lodger | Laborer | North Carolina |
| 65 | Graham Jackson | 35 | Head | Cleaner | D.C. |
| 66 | Almira Jackson | 31 | Wife | — | D.C. |
| 67 | Carolyn Jackson | 7 | Daughter | — | D.C. |
| 68 | Sylvia Jackson | 3 | Daughter | — | D.C. |
| 69 | Addie Ambush | 71 | Lodger | — | D.C. |
| 70 | William Gross THIS PERSON | 42 | Head | Laborer | Maryland |
| 71 | Ora Gross | 32 | Wife | — | Maryland |
| 72 | Elizabeth Gross | 19 | Daughter | — | D.C. |
| 73 | Theodore Gross | 18 | Daughter | Hairdresser | D.C. |
| 74 | Nathaniel Gross | 16 | Son | — | D.C. |
| 75 | Sterling Gross | 5 | Son | — | D.C. |
| 76 | Harry Waring | 33 | Head | Utility Man | Maryland |
| 77 | Mildred Waring | 29 | Wife | — | Pennsylvania |
| 78 | Harry Waring | 11 | Son | — | New York |
| 79 | Ronald Waring | 9 | Son | — | D.C. |
| 80 | Alvin Waring | 7 | Son | — | D.C. |
Pedigree Summary
William
Gen 1 · 4 parents
~0.92
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)