MH
Mabel Harris — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mabel Harris across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Rufus & Hattie — first a head (b.~1901), then head of a 4-person household.
Age 29
b. ~1901
Female
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Harris |
| Given Name | Mabel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 15 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 36 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1901 |
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 Mabel | Age | Birth yr |
|---|---|---|---|---|
| Mabel Harris | Head | — | 29 | ~1901 |
| Susie Waddy | Other | — | 45 | ~1885 |
| James Harris | Son | — | 9 | ~1921 |
| Bessie Harris | Daughter | — | 11 | ~1919 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 19
Baltimore, Maryland · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Waitress |
| Industry | Bakery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 29
Baltimore, Maryland · implied b. ~1901 — 4 household members
| Surname | Harris |
| Given Name | Mabel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 15 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 36 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 42
Baltimore-City-County, Maryland · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Occupation | Clerk |
| Industry | Census Bureau |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 266 |
| Highest Grade | No 8 |
| 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 Mabel Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Rufus Thompson (~0.92 confidence) and mother Hattie Harris (~0.92 confidence) and mother Nellie Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Rufus Thompson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Hattie Harris
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Nellie Thompson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mabel Harris
Head · 1930 · age 29 · b. ~1901 · 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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
37 people indexed on this census page (ia:1930:15thcensus861unit:0114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 4 | Harry Bonner | 29 | Head | Laborer | South Carolina |
| 5 | Susie Bonner | 28 | Wife | Cook | South Carolina |
| 6 | Ernest Drayer | 27 | Brother-in-law | Laborer | South Carolina |
| 7 | Lillian Drayer | 24 | Sister-in-law | Domestic | South Carolina |
| 8 | Amanda Drayer | 55 | Mother-in-law | — | South Carolina |
| 9 | Samuel Drayer | 69 | Father-in-law | — | South Carolina |
| 10 | Theodore Drayer | 6 | Nephew | — | South Carolina |
| 11 | Catherine Drayer | 7 | Niece | — | South Carolina |
| 12 | Margaret Drayer | 3 | Niece | — | Maryland |
| 13 | Sarah Drayer | 4 | Niece | — | Maryland |
| 14 | Lucille Drayer | 12 | Niece | — | Maryland |
| 15 | Woodrow Drayer | 12 | Nephew | — | South Carolina |
| 16 | Mary Drayer | 17 | Niece | Maid | South Carolina |
| 17 | Thomasina Drayer | 19 | Sister | Maid | South Carolina |
| 18 | Thomas Darby | 40 | Head | Oyster Shucker | Virginia |
| 19 | Margaret Darby | 38 | Wife | — | Virginia |
| 20 | Beatrice Darby | 2 | Daughter | — | Maryland |
| 21 | Virginia Darby | 22 | Roomer | Cook | Maryland |
| 22 | Bessie Jacobs | 35 | Roomer | Maid | Virginia |
| 23 | William Daniel | 23 | Roomer | Janitor | Virginia |
| 24 | Furnel Barnet | 38 | Head | Worker | Maryland |
| 25 | Hazel Barnet | 37 | Wife | — | Virginia |
| 26 | Earl Barnet | 7 | Son | — | Maryland |
| 27 | Mabel Harris THIS PERSON | 29 | Head | — | Maryland |
| 28 | Bessie Harris | 11 | Daughter | Maid | Maryland |
| 29 | James Harris | 9 | Son | Laborer | Pennsylvania |
| 30 | Susie Waddy | 45 | Mother | Oyster Shucker | Virginia |
| 31 | Charles Butler | 35 | Head | Chauffeur | Maryland |
| 32 | Carrie Butler | 47 | Wife | Cook | Maryland |
| 33 | Robert Corbin | 46 | Roomer | Laborer | Virginia |
| 34 | Delia Bailey | 31 | Head | Cook | Virginia |
| 35 | Dennis Johnson | 31 | Roomer | Maid | Virginia |
| 36 | Louise Boutreulle | 46 | Head | Caretaker | Pennsylvania |
| 37 | James Gwaltney | 26 | Head | Carpenter | Virginia |
| 38 | Edna Gwaltney | 30 | Wife | Cook | Virginia |
| 39 | Benny Ross | 24 | Cousin | Chauffeur | Virginia |
| 40 | Ruby Diggs | 29 | Head | Domestic | Virginia |
Pedigree Summary
Mabel
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)