AH
Ada Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Ada Harris across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 7-person household.
Age 55
b. ~1885
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Harris |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Sparrows Point |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Sparrows Point |
| Est. Birth Year | ~1885 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ada | Age | Birth yr |
|---|---|---|---|---|
| Hortense Harris | Son | — | 32 | ~1908 |
| William Harris | Head | — | 62 | ~1878 |
| Ada Harris | Daughter | — | 27 | ~1913 |
| Ada Jones | Other | — | 4 | ~1936 |
| Arthur Jones | Other | — | 17 | ~1923 |
| Ada Harris | Spouse | — | 55 | ~1885 |
| William Cleveland | Other | — | 5 | ~1935 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 35
Baltimore, Maryland · implied b. ~1885 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Baltimore, Maryland
Spouse, age 45
Baltimore, Maryland · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Baltimore-County, Maryland
Spouse, age 55
Baltimore-County, Maryland · implied b. ~1885 — 7 household members
| Surname | Harris |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Sparrows Point |
| 1935 Residence (County) | Baltimore |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Ada Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ada Harris
Spouse · 1940 · age 55 · b. ~1885 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01507-00521)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Susie Mezzisson | 44 | Wife | — | Virginia |
| 42 | Walter Mezzisson | 24 | Son | — | Virginia |
| 43 | Leslie Mezzisson | 16 | Son | — | Virginia |
| 44 | Mamie Mezzisson | 13 | Daughter | — | Virginia |
| 45 | Curtiss Mezzisson | 10 | Son | — | Maryland |
| 46 | Ethel Mezzisson | 7 | Daughter | — | Maryland |
| 47 | Louise Mezzisson | 3 | Daughter | — | Maryland |
| 48 | Izetta Christian | 76 | Sister-in-law | — | Virginia |
| 49 | Odis Mcculloh | 23 | Lodger | Laborer | Virginia |
| 50 | Townsend Poole | 52 | Head | Crane Operator | Virginia |
| 51 | Daisey Poole | 52 | Wife | — | Virginia |
| 52 | Magnolia Poole | 29 | Daughter | General Housework | Maryland |
| 53 | Cecila Poole | 23 | Daughter | 44 | Maryland |
| 54 | Evelyn Poole | 16 | Daughter | Maid | Maryland |
| 55 | Jerome Poole | 15 | Son | — | Maryland |
| 56 | Lawrence Poole | 14 | Son | — | Maryland |
| 57 | Flossie Poole | 13 | Daughter | — | Maryland |
| 58 | Virginia Poole | 4 | Daughter | — | Maryland |
| 59 | David Poole | 32 | Son-in-law | Crane Operator | Maryland |
| 60 | Ruth Poole | 26 | Daughter-in-law | — | Maryland |
| 61 | Donald Poole | 5 | Grand-son | — | Maryland |
| 62 | Henry Flowers | 58 | Lodger | Laborer | Maryland |
| 63 | William Harris | 62 | Head | — | Virginia |
| 64 | Ada Harris THIS PERSON | 55 | Wife | — | Virginia |
| 65 | Hortense Harris | 32 | Son | — | Virginia |
| 66 | Ada Harris | 27 | Daughter | — | Virginia |
| 67 | Arthur Jones | 17 | Grand-son | — | Virginia |
| 68 | Ada Jones | 4 | Grand-daughter | — | Maryland |
| 69 | William Cleveland | 5 | Grand-son | — | Maryland |
| 70 | William Howell | 39 | Head | — | Virginia |
| 71 | Anne Howell | 40 | Wife | — | Virginia |
| 72 | William Howell | 18 | Son | Laborer | Maryland |
| 73 | John Johnson | 29 | Lodger | — | Maryland |
| 74 | George White | 29 | Head | Laborer | Maryland |
| 75 | Olivia White | 54 | Mother | — | Virginia |
| 76 | Clarence White | 17 | Brother | 200 | Maryland |
| 77 | James White | 24 | Brother | Laborer | Maryland |
| 78 | Marloft Lashley | 30 | Brother-in-law | Laborer | Virginia |
| 79 | Beatrice Lashley | 27 | Sister | — | Maryland |
| 80 | Shirley Lashley | 3 | Niece | — | Maryland |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)