WG
William Gross — 1930 US Census Record
Model Tree available1930 United States Federal Census · Calvert, Maryland
Our Model Tree links this William Gross across the 1910, 1920 and 1930 US Censuses in Calvert, Maryland (XGBoost, ~Confirmed), with identified parents Abraham & John — first a head (b.~1902), then head of a 4-person household.
Age 28
b. ~1902
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Calvert, Maryland |
| Surname | Gross |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | State Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | 1St 3Rd District |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lillian Gross | Daughter | — | 7 | ~1923 |
| Mary Gross | Daughter | — | 9 | ~1921 |
| William Gross | Head | — | 28 | ~1902 |
| Louise Gross | Spouse | — | 28 | ~1902 |
Census Appearances
1910
Calvert, Maryland
Son, age 7
Calvert, Maryland · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Calvert, Maryland
Son, age 16
Calvert, Maryland · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Calvert, Maryland
Head, age 28
Calvert, Maryland · implied b. ~1902 — 4 household members
| Surname | Gross |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | State Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| 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 3 US Census years (1910, 1920 and 1930) in Calvert, Maryland, using XGBoost record linkage. Identified parents: father Abraham Gross (~0.92 confidence) and father John Gross (~0.92 confidence) and mother Dora Gross (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abraham Gross
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Gross
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Dora Gross
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gross
Head · 1930 · age 28 · b. ~1902 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Calvert, Maryland
Open full size
1930 US Federal Census — Calvert, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus871unit:0747)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Harvey | 54 | Head | Farmer | Maryland |
| 2 | Emma Harvey | 51 | Wife | — | Maryland |
| 3 | Louis Harvey | 23 | Son | Laborer | Maryland |
| 4 | Richard P. Harvey | 19 | Son | — | Maryland |
| 5 | Minnie Harvey | 17 | Daughter | Servant | Maryland |
| 6 | Matilda Harvey | 11 | Daughter | — | Maryland |
| 7 | Calvin Harvey | 5 | Grandson | — | Maryland |
| 8 | William Gross THIS PERSON | 28 | Head | Laborer | Maryland |
| 9 | Louise Gross | 28 | Wife | — | Maryland |
| 10 | Mary Gross | 9 | Daughter | — | Maryland |
| 11 | Lillian Gross | 7 | Daughter | — | Maryland |
| 12 | Owen J. Wilkerson | 46 | Head | Farmer | Maryland |
| 13 | Alice G. Wilkerson | 44 | Wife | — | Maryland |
| 14 | William Wilkerson | 21 | Son | Laborer | Maryland |
| 15 | Leroy J. Wilkerson | 17 | Son | Laborer | Maryland |
| 16 | Orville A. Wilkerson | 13 | Son | — | Maryland |
| 17 | Alexander Wilkerson | 94 | Father | — | Maryland |
| 18 | Stanley Sunderbandy | 51 | Head | Farmer | Maryland |
| 19 | Ella E. Sunderbandy | 53 | Wife | — | Maryland |
| 20 | Benj. Sunderbandy | 18 | Son | Laborer | Maryland |
| 21 | Thos. Sunderbandy | 16 | Son | Laborer | Maryland |
| 22 | Leroy Hunter | 39 | Head | Laborer | Maryland |
| 23 | Gertrude Hunter | 35 | Wife | — | Maryland |
| 24 | Martha Hunter | 10 | Daughter | — | Maryland |
| 25 | Elijah Hunter | 9 | Son | — | Maryland |
| 26 | James Hunter | 7 | Son | — | Maryland |
| 27 | Dorothy Hunter | 5 | Daughter | — | Maryland |
| 28 | Ruby Hunter | 4 | Daughter | — | Maryland |
| 29 | Ellut Hunter | 2 | Daughter | — | Maryland |
| 30 | Grace Hunter | 0 | Daughter | — | Maryland |
| 31 | Henry Dowell | 65 | Head | Farmer | Maryland |
| 32 | Bettie Dowell | 62 | Wife | — | Maryland |
| 33 | Cordelia Dowell | 30 | Daughter | — | Maryland |
| 34 | Gertrude Dowell | 23 | Daughter | — | Maryland |
| 35 | John Hall | 58 | Head | Laborer | Maryland |
| 36 | Lillie Wills | 52 | Sister | — | Maryland |
| 37 | Joseph W. Fowler | 47 | Head | Farmer | Maryland |
| 38 | Lulu G. Fowler | 39 | Wife | — | Maryland |
| 39 | Herbert Fowler | 18 | Son | Laborer | Maryland |
| 40 | Agnes Fowler | 15 | Daughter | — | Maryland |
| 41 | Mabel Fowler | 14 | Daughter | — | Maryland |
| 42 | William Matton | 50 | Head | Farmer | Maryland |
| 43 | Maggie B. Matton | 50 | Wife | — | Maryland |
| 44 | Talbott J. Matton | 16 | Son | Laborer | Maryland |
| 45 | Laura Matton | 12 | Daughter | — | Maryland |
| 46 | Clyde Matton | 9 | Son | — | Maryland |
| 47 | Cornelius Reed | 23 | Head | Laborer | Maryland |
| 48 | Gertrude Reed | 20 | Wife | — | Maryland |
| 49 | Lillie G. Smith | 69 | Head | Farmer | Maryland |
| 50 | Ida V. Leitch | 64 | Servant | Housekeeper | Maryland |
Related Census Records
Pedigree Summary
William
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)