WC
William Chapman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Charles, Maryland
Our Model Tree links this William Chapman across the 1910, 1920 and 1930 US Censuses in Charles, Maryland (XGBoost, ~Confirmed), with identified parents J & William — first a son (b.~1907), then head of a 29-person household.
Age 23
b. ~1907
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Charles, Maryland |
| Surname | Chapman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Election District No 8 Bryantown |
| Est. Birth Year | ~1907 |
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.
29 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Irene Chapman | Daughter | — | 9 | ~1921 |
| Blanche Chapman | Daughter | — | 1 | ~1929 |
| Mary Chapman | Daughter | — | 13 | ~1917 |
| Ella Greenwell | Daughter | — | 2 | ~1928 |
| Catherine Chapman | Daughter | — | 5 | ~1925 |
| Bessie Robey | Daughter | — | 17 | ~1913 |
| Viola Robey | Daughter | — | 17 | ~1913 |
| Inez Chapman | Daughter | — | 15 | ~1915 |
| Christine Greenwell | Daughter | — | 11 | ~1919 |
| Mary Greenwell | Daughter | — | 16 | ~1914 |
| Lucille Moore | Other | — | 11 | ~1919 |
| Raymond Moore | Other | — | 3 | ~1927 |
| Max Markus | Other | — | 63 | ~1867 |
| Ben Moore | Other | — | 50 | ~1880 |
| John Chapman | Other | — | 33 | ~1897 |
| James Greenwell | Other | — | 42 | ~1888 |
| Samuel Moore | Other | — | 53 | ~1877 |
| Eugene Greenwell | Son | — | 4 | ~1926 |
| John Chapman | Son | — | 22 | ~1908 |
| James Chapman | Son | — | 19 | ~1911 |
| Theodore Chapman | Son | — | 21 | ~1909 |
| William Chapman | Son | — | 23 | ~1907 |
| Ernest Chapman | Son | — | 7 | ~1923 |
| Edward Greenwell | Son | — | 19 | ~1911 |
| John Chapman | Son | — | 11 | ~1919 |
| John Greenwell | Son | — | 6 | ~1924 |
| Eliza Robey | Spouse | — | 55 | ~1875 |
| Lillian Greenwell | Spouse | — | 33 | ~1897 |
| Edna Chapman | Spouse | — | 23 | ~1907 |
Census Appearances
1910
Charles, Maryland
Son, age 8
Charles, Maryland · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | W. Kinley |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Charles, Maryland
Son, age 18
Charles, Maryland · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Charles, Maryland
Son, age 23
Charles, Maryland · implied b. ~1907 — 29 household members
| Surname | Chapman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Chapman across 3 US Census years (1910, 1920 and 1930) in Charles, Maryland, using XGBoost record linkage. Identified parents: father J Chapman (~0.92 confidence) and father William Chapman (~0.92 confidence) and mother Alice Chapman (~0.92 confidence) and mother Eliza Robey (~0.92 confidence) and mother Francis Chapman (~0.92 confidence) and mother Lillian Greenwell (~0.60 confidence) and mother Edna Chapman (~0.50 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
J Chapman
b. ~1866
Source father
● Household
· direct · ~0.92
Father
William Chapman
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Alice Chapman
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Eliza Robey
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Francis Chapman
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Lillian Greenwell
b. ~1897
Source mother
● Household
· direct · ~0.6
Mother
Edna Chapman
b. ~1907
Source mother
● Household
· direct · ~0.5
This person
Anchor record
William Chapman
Son · 1930 · age 23 · b. ~1907 · Maryland
★ You are viewing this record
Sibling
Viola Robey
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Chapman
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Chapman
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christine Greenwell
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Chapman
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Greenwell
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Chapman
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Greenwell
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Chapman
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Chapman
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Greenwell
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Chapman
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Greenwell
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Greenwell
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Robey
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Chapman
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Chapman
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Chapman
Sibling · 1930 · age 9
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
1930 US Federal Census — Charles, Maryland
Open full size
1930 US Federal Census — Charles, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus872unit:1046)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gonzalo Wade | 74 | Head | Farmer | Maryland |
| 2 | Emma Z. Wade | 26 | Wife | — | Maryland |
| 3 | Catherine V. Wade | 22 | Daughter | Clerk | Maryland |
| 4 | Angella M. Wade | 21 | Daughter | — | Maryland |
| 5 | Mary A. Wade | 17 | Daughter | — | Maryland |
| 6 | Ralph G. Wade | 11 | Son | — | Maryland |
| 7 | Angella Hawkins | 8 | Niece | — | Maryland |
| 8 | Stephen Lemuel | 19 | Nephew | Laborer | Maryland |
| 9 | Martha A. Lane | 82 | Aunt | — | Maryland |
| 10 | George W. Adams | 78 | O | Farmer | D.C. |
| 11 | Mary V. Adams | 66 | Wife | — | Maryland |
| 12 | Milton W. Adams | 29 | Son | Farmer | Maryland |
| 13 | Pauline M. Stonestreet | 72 | Head | Manager | Maryland |
| 14 | J. Rebecca Stonestreet | 74 | Sister | — | Maryland |
| 15 | Robey | 60 | Head | Farmer | Maryland |
| 16 | Eliza Robey | 55 | Wife | — | Maryland |
| 17 | Viola Robey | 17 | Daughter | — | Maryland |
| 18 | Bessie Robey | 17 | Daughter | — | Maryland |
| 19 | Robey | 10 | Son | Laborer | Maryland |
| 20 | Robey | 8 | Son | — | Maryland |
| 21 | Robey | 6 | Son | Laborer | Maryland |
| 22 | Robey | 4 | Son | — | Maryland |
| 23 | Robey | 1 | Son | — | Maryland |
| 24 | James E. Greenwell | 42 | O | Farmer | Maryland |
| 25 | Lillian Greenwell | 33 | Wife | — | Maryland |
| 26 | Edward Greenwell | 19 | Son | Laborer | Maryland |
| 27 | Mary Greenwell | 16 | Daughter | — | Maryland |
| 28 | Christine Greenwell | 11 | Daughter | — | Maryland |
| 29 | John Greenwell | 6 | Son | — | Maryland |
| 30 | Eugene Greenwell | 4 | Son | — | Maryland |
| 31 | Ella Mae Greenwell | 2 | Daughter | — | Maryland |
| 32 | Samuel Moore | 53 | Boarder | Laborer | Maryland |
| 33 | Raymond Moore | 3 | Nephew | — | Maryland |
| 34 | Lucille Moore | 11 | Niece | — | Maryland |
| 35 | Ben Moore | 50 | Brother | — | Maryland |
| 36 | John T. Chapman | 33 | O | Farmer | Maryland |
| 37 | Edna T. Chapman | 23 | Wife | — | Maryland |
| 38 | John W. Chapman | 22 | Son | Laborer | Maryland |
| 39 | Theodore Chapman | 21 | Son | Laborer | Maryland |
| 40 | William Chapman THIS PERSON | 23 | Son | Laborer | Maryland |
| 41 | James Chapman | 19 | Son | Laborer | Maryland |
| 42 | Inez Chapman | 15 | Daughter | — | Maryland |
| 43 | Mary E. Chapman | 13 | Daughter | — | Maryland |
| 44 | John E. Chapman | 11 | Son | — | Maryland |
| 45 | Irene M. Chapman | 9 | Daughter | — | Maryland |
| 46 | Ernest L. Chapman | 7 | Son | — | Maryland |
| 47 | Catherine M. Chapman | 5 | Daughter | — | Maryland |
| 48 | Chapman | 3 | Daughter | — | Maryland |
| 49 | Blanche S. Chapman | 1 | Daughter | — | Maryland |
| 50 | Max Markus | 63 | O | Farmer | Germany |
Related Census Records
Pedigree Summary
William + 18 siblings
Gen 1 · 7 parents
~0.81
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)