MH
Mary Howell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Howell across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 10-person household.
Age 41
b. ~1889
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Howell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1889 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Howell | Daughter | — | 21 | ~1909 |
| William Howell | Head | — | 43 | ~1887 |
| Herman Howell | Son | — | 12 | ~1918 |
| William Howell | Son | — | 18 | ~1912 |
| Eugene Howell | Son | — | 9 | ~1921 |
| Leroy Howell | Son | — | 2 | ~1928 |
| Charles Howell | Son | — | 13 | ~1917 |
| Richard Howell | Son | — | 7 | ~1923 |
| John Howell | Son | — | 19 | ~1911 |
| Mary Howell | Spouse | — | 41 | ~1889 |
Census Appearances
1930
Baltimore, Maryland
Spouse, age 41
Baltimore, Maryland · implied b. ~1889 — 10 household members
| Surname | Howell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 50
Baltimore-City-County, Maryland · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Howell |
| Given Name | Martiner |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Maid |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 50 |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| 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 Mary Howell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Howell
Spouse · 1930 · age 41 · b. ~1889 · Maryland
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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
48 people indexed on this census page (ia:1930:15thcensus858unit:1032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marie Smith | 74 | Roomer | — | Virginia |
| 52 | Bernice Smith | 18 | Roomer | Cooking | Jamaica |
| 53 | Annie Hicks | 27 | Roomer | Servant | Maryland |
| 54 | Edward Erwin | 71 | Head | Carpenter | Maryland |
| 55 | Mariano Guerino | 56 | Head | Fruit Business | Italy |
| 56 | Catherine Guerino | 48 | Wife | — | Italy |
| 57 | Josephine Guerino | 22 | Daughter | — | Maryland |
| 58 | Theodore Guerino | 16 | Son | — | Maryland |
| 59 | Philip Tribel | 34 | Head | Druggist | Maryland |
| 60 | Rebecca Tribel | 30 | Wife | — | Maryland |
| 61 | Louis Tribel | 12 | Son | — | Maryland |
| 62 | Ethel Tribel | 3 | Daughter | — | Maryland |
| 63 | Amelia Klein | 60 | Head | Sales Lady | Maryland |
| 64 | George Blanchard | 58 | Nephew | Helper | Maryland |
| 65 | Annie Blanchard | 45 | Niece | Helper | Maryland |
| 66 | Sarah Singleton | 40 | Head | Servant | Maryland |
| 67 | George Dorsey | 42 | Head | Copper Helper | Maryland |
| 68 | Maria Dorsey | 43 | Wife | Servant | Virginia |
| 69 | Georgiana Dorsey | 13 | Daughter | — | Maryland |
| 70 | Mary Dorsey | 12 | Daughter | — | Maryland |
| 71 | Mabel Dorsey | 9 | Daughter | — | Maryland |
| 72 | Margaret Dorsey | 7 | Daughter | — | Maryland |
| 73 | Richard Crump | 36 | Head | Laborer | Virginia |
| 74 | Nellie Crump | 32 | Wife | — | Virginia |
| 75 | Frank Crump | 13 | Son | — | Virginia |
| 76 | James Crump | 7 | Son | — | Maryland |
| 77 | Joseph Crump | 5 | Son | — | Maryland |
| 78 | Mary S. Crump | 4 | Daughter | — | Maryland |
| 79 | Geraldine Crump | 2 | Daughter | — | Maryland |
| 80 | Dolores Crump | 1 | Daughter | — | Maryland |
| 81 | Gertrude Hicks | 7 | Roomer | — | Virginia |
| 82 | William Winston | 43 | Roomer | Laborer | Virginia |
| 83 | William Howell | 43 | Head | Carpenter | Maryland |
| 84 | Mary Howell THIS PERSON | 41 | Wife | — | Maryland |
| 85 | Alice Howell | 21 | Daughter | Servant | Maryland |
| 86 | John Howell | 19 | Son | Shipping Clerk | Maryland |
| 87 | William Howell | 18 | Son | Helper | Maryland |
| 88 | Charles Howell | 13 | Son | — | Maryland |
| 89 | Herman Howell | 12 | Son | — | Maryland |
| 90 | Eugene Howell | 9 | Son | — | Maryland |
| 91 | Richard Howell | 7 | Son | — | Maryland |
| 92 | Leroy Howell | 2 | Son | — | Maryland |
| 93 | Charles C. Brown | 55 | Head | Butler | Virginia |
| 94 | Cecelia Brown | 40 | Wife | Laundress | Virginia |
| 95 | William Ball | 38 | Roomer | Laborer | Virginia |
| 96 | William Clark | 44 | Head | Laborer | Maryland |
| 97 | Alberta Clark | 40 | Wife | Servant | Maryland |
| 98 | John Clark | 60 | Father | Butler | Maryland |
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)