RM
Robert Marshall — 1930 US Census Record
Model Tree available1930 United States Federal Census · Charles, Maryland
Our Model Tree links this Robert Marshall across the 1910, 1920 and 1930 US Censuses in Charles, Maryland (XGBoost, ~Confirmed), with identified parents Lillian & Susan — first a head (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Charles, Maryland |
| Surname | Marshall |
| Given Name | Robert M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 17 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Elec Dist 1 |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Marshall | Daughter | — | 5 | ~1925 |
| Mary Marshall | Daughter | — | 2 | ~1928 |
| Robert Marshall | Head | — | 22 | ~1908 |
| Robert Marshall | Son | — | 3 | ~1927 |
| Lillie Marshall | Spouse | — | 21 | ~1909 |
Census Appearances
1910
Charles, Maryland
Son, age 3
Charles, Maryland · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Charles, Maryland
Son, age 13
Charles, Maryland · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| 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
Charles, Maryland
Head, age 22
Charles, Maryland · implied b. ~1908 — 5 household members
| Surname | Marshall |
| Given Name | Robert M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 17 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| 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 Robert Marshall across 3 US Census years (1910, 1920 and 1930) in Charles, Maryland, using XGBoost record linkage. Identified parents: mother Lillian Marshall (~0.92 confidence) and mother Susan Marshall (~0.92 confidence) and father Joseph Marshall (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lillian Marshall
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Susan Marshall
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
Joseph Marshall
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Marshall
Head · 1930 · age 22 · b. ~1908 · 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 — Charles, Maryland
Open full size
1930 US Federal Census — Charles, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus872unit:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick M Cookey | 0 | Nephew | — | Maryland |
| 2 | Alberta Marshall | 16 | Servant | Servant | Maryland |
| 3 | Ruth Cookey | 30 | Boarder | Chauffeur | Maryland |
| 4 | John Summers | 57 | Head | Farmer | Maryland |
| 5 | Annie Summers | 40 | Wife | — | Maryland |
| 6 | John Summers | 14 | Son | Laborer | Maryland |
| 7 | Melvina M Summers | 12 | Daughter | — | Maryland |
| 8 | Catherine Summers | 10 | Daughter | — | Maryland |
| 9 | Mary Summers | 6 | Daughter | — | Maryland |
| 10 | James Summers | 4 | Son | — | Maryland |
| 11 | Francis Summers | 2 | Son | — | Maryland |
| 12 | John Summers | 16 | Lodger | — | Maryland |
| 13 | James H Swann | 50 | Head | Farmer | Maryland |
| 14 | Mary Swann | 50 | Wife | — | Maryland |
| 15 | Viola Swann | 7 | Grand dau | — | Maryland |
| 16 | George Rice | 27 | Head | Farmer | Maryland |
| 17 | Mary H Rice | 28 | Wife | — | Maryland |
| 18 | William Rice | 10 | Son | — | Maryland |
| 19 | Emory Johnson | 18 | Lodger | Laborer | Maryland |
| 20 | John Willis | 51 | Head | Laborer | Maryland |
| 21 | Lillie Willis | 47 | Wife | — | Maryland |
| 22 | Maggie M Willis | 20 | Daughter | — | Maryland |
| 23 | James L Willis | 16 | Son | Laborer | Maryland |
| 24 | M Elizabeth Willis | 11 | Daughter | — | Maryland |
| 25 | Joseph Willis | 8 | Son | — | Maryland |
| 26 | George Smiley | 42 | Head | Messenger | Maryland |
| 27 | Gladys Smiley | 37 | Wife | — | Maryland |
| 28 | Sylvester Smiley | 14 | Son | Laborer | Maryland |
| 29 | Pearl Smiley | 12 | Daughter | — | Maryland |
| 30 | Calvin Smiley | 11 | Son | — | Maryland |
| 31 | Herbert Smiley | 9 | Son | — | Maryland |
| 32 | Gladys Smiley | 4 | Daughter | — | Maryland |
| 33 | Elsie Smiley | 2 | Daughter | — | Maryland |
| 34 | Mandy Fuell | 67 | Head | — | Maryland |
| 35 | William Goodger | 42 | Lodger | Laborer | Maryland |
| 36 | Douglas T Cooksey | 32 | Head | Farmer | Maryland |
| 37 | Isabelle C Cooksey | 36 | Wife | — | Maryland |
| 38 | Shirley N Cooksey | 7 | Daughter | — | Maryland |
| 39 | Regina S Cooksey | 6 | Daughter | — | Maryland |
| 40 | Eleanore C Cooksey | 4 | Daughter | — | Maryland |
| 41 | A Claire Cooksey | 1 | Daughter | — | Maryland |
| 42 | Alice Thomas | 16 | Servant | Servant | Maryland |
| 43 | William Rustin | 60 | Lodger | Laborer | Virginia |
| 44 | Carroll Murphy | 24 | Head | Farmer | Maryland |
| 45 | Mary Murphy | 27 | Wife | — | Maryland |
| 46 | Robert M Marshall THIS PERSON | 22 | Head | Laborer | Maryland |
| 47 | Lillie M Marshall | 21 | Wife | — | Maryland |
| 48 | Mary Lucy Marshall | 5 | Daughter | — | Maryland |
| 49 | Robert T Marshall | 3 | Son | — | Maryland |
| 50 | Mary M Marshall | 2 | Daughter | — | Maryland |
Pedigree Summary
Robert
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)