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James Cowan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this James Cowan across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 6-person household.
Age 17
b. ~1913
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Cowan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Newsboy |
| Industry | Own Business |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Newsboy |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Lillie Cowan | Daughter | — | 7 | ~1923 |
| Mary Cowan | Daughter | — | 10 | ~1920 |
| Mary Cowan | Spouse | — | 39 | ~1891 |
| James Cowan | Son | — | 17 | ~1913 |
| William Cowan | Son | — | 14 | ~1916 |
| James Cowan | Head | — | 43 | ~1887 |
Census Appearances
1930
Baltimore, Maryland
Son, age 17
Baltimore, Maryland · implied b. ~1913 — 6 household members
| Surname | Cowan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Newsboy |
| Industry | Own Business |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 27
Baltimore-City-County, Maryland · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowans |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Chauffer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | No 8 |
| 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 James Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cowan
Son · 1930 · age 17 · b. ~1913 · Maryland
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Sibling
Lillie Cowan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cowan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cowan
Sibling · 1930 · age 10
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
46 people indexed on this census page (ia:1930:15thcensus850unit:0804)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth | 8 | Step-son | — | Maryland |
| 2 | Preston | 38 | Head | Laborer | Maryland |
| 7 | Walter Johnson | 38 | Head | Laborer | Maryland |
| 8 | Lillie Johnson | 31 | Wife | — | North Carolina |
| 9 | Nathaniel Johnson | 15 | Son | — | Maryland |
| 10 | Irene Johnson | 14 | Daughter | — | Maryland |
| 11 | Lucinda Johnson | 10 | Daughter | — | Maryland |
| 12 | Walter Johnson | 8 | Son | — | Maryland |
| 13 | Arthur Johnson | 5 | Son | — | Maryland |
| 14 | Edward Johnson | 3 | Son | — | Maryland |
| 15 | James Cowan | 23 | Head | Laborer | North Carolina |
| 16 | Lillie Cowan | 22 | Wife | Housework | North Carolina |
| 17 | James Cowan | 1 | Son | — | North Carolina |
| 18 | Arthur Cowan | 21 | Brother | Packer | North Carolina |
| 19 | James Cowan | 43 | Head | Stevedore | Alabama |
| 20 | Mary Cowan | 39 | Wife | — | Maryland |
| 21 | James Cowan THIS PERSON | 17 | Son | Newsboy | Maryland |
| 22 | William Cowan | 14 | Son | Porter | Maryland |
| 23 | Mary Cowan | 10 | Daughter | Housework | Maryland |
| 24 | Lillie Cowan | 7 | Daughter | — | Maryland |
| 25 | William Harvey | 47 | Head | Laborer | Virginia |
| 26 | Lillie Harvey | 28 | Wife | — | North Carolina |
| 27 | William Harvey | 6 | Son | — | Maryland |
| 28 | James Harvey | 4 | Son | — | Maryland |
| 29 | Lillie Harvey | 2 | Daughter | — | Maryland |
| 30 | Mary Harvey | 0 | Daughter | — | Maryland |
| 31 | George Dunn | 46 | Head | Laborer | Maryland |
| 32 | Mary Dunn | 41 | Wife | Laborer | Maryland |
| 33 | Lucy Evans | 26 | Head | Housework | Maryland |
| 34 | Martha Anderson | 79 | Boarder | — | Maryland |
| 35 | William | 30 | Boarder | Chauffeur | Maryland |
| 36 | Joseph Dawson | 37 | Head | Janitor | Maryland |
| 37 | Lillie Dawson | 34 | Wife | Laundress | Virginia |
| 38 | James Stepney | 41 | Head | Laborer | Maryland |
| 39 | Lillie Stepney | 34 | Boarder | Stevedore | Maryland |
| 40 | Eddie Mitchell | 50 | Boarder | Laborer | Virginia |
| 41 | Cora Miller | 45 | Boarder | — | Virginia |
| 42 | Lottie | 20 | Boarder | Laborer | Maryland |
| 43 | Genevieve Exter | 25 | Boarder | Domestic | Maryland |
| 44 | William Campbell | 31 | Boarder | Stevedore | Maryland |
| 45 | Isaac Roach | 38 | Head | Laborer | Virginia |
| 46 | Lottie Roach | 40 | Wife | Domestic | Virginia |
| 47 | Isaac Roach | 18 | Son | Chauffeur | Maryland |
| 48 | Frank Roach | 15 | Son | — | Maryland |
| 49 | Frances Roach | 14 | Son | — | Maryland |
| 50 | James Roach | 6 | Son | — | 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)