HC
Harry Cooper — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Harry Cooper across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents John & Joshua — first a son (b.~1907), then head of a 7-person household.
Age 23
b. ~1907
Male
Son
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Cooper |
| Given Name | Harry A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sheet Car |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| John Cooper | Other | — | 5 | ~1925 |
| Herman Gray | Other | — | 16 | ~1914 |
| Mary Cooper | Other | — | 41 | ~1889 |
| Gladys Cooper | Daughter | — | 18 | ~1912 |
| Harry Cooper | Son | — | 23 | ~1907 |
| John Cooper | Head | — | 51 | ~1879 |
| J Cooper | Son | — | 20 | ~1910 |
Census Appearances
1920
Baltimore, Maryland
Son, age 14
Baltimore, Maryland · implied b. ~1906 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Harry B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| 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
Baltimore, Maryland
Son, age 23
Baltimore, Maryland · implied b. ~1907 — 7 household members
| Surname | Cooper |
| Given Name | Harry A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Sheet Car |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Son, age 33
Baltimore-City-County, Maryland · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | 7 |
| 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 Harry Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Cooper (~0.92 confidence) and father Joshua Cooper (~0.92 confidence) and mother Caroline Cooper (~0.92 confidence) and mother Emeline Cooper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Cooper
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Joshua Cooper
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Caroline Cooper
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Emeline Cooper
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Cooper
Son · 1930 · age 23 · b. ~1907 · Maryland
★ You are viewing this record
Sibling
J Cooper
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Cooper
Sibling · 1930 · age 18
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
47 people indexed on this census page (ia:1930:15thcensus857unit:0578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Blanch E Freeman | 6 | Daughter | — | Maryland |
| 52 | Julia I Freeman | 4 | Daughter | — | Maryland |
| 53 | Elmer C Freeman | 1 | Son | — | Maryland |
| 54 | Edward E Freeman | 0 | Son | — | Maryland |
| 55 | Carrie V Rice | 48 | Head | — | Maryland |
| 56 | Blanch E Rice | 38 | Sister | Dressmaking | Maryland |
| 57 | Francis X Rice | 17 | Nephew | — | Maryland |
| 58 | David Rosenblatt | 40 | Head | Nursery | Russia |
| 59 | Rosa Rosenblatt | 29 | Wife-H | — | England |
| 60 | Edward Rosenblatt | 8 | Son | — | Maryland |
| 61 | Dorothy Rosenblatt | 7 | Daughter | — | Maryland |
| 62 | Mildred Rosenblatt | 5 | Daughter | — | Maryland |
| 63 | Betty Rosenblatt | 3 | Daughter | — | Maryland |
| 67 | William Fritz | 22 | Head | Conductor | Maryland |
| 68 | Lillian H Fritz | 18 | Wife-H | — | Maryland |
| 69 | Margaret Fritz | 57 | Mother | — | Maryland |
| 70 | Harrison R Pearce | 40 | Head | Chauffeur | Maryland |
| 71 | Lula R Pearce | 35 | Wife-H | — | Maryland |
| 72 | Irving N Pearce | 15 | Son | — | Maryland |
| 73 | Albert L Pearce | 12 | Son | — | Maryland |
| 74 | Theodore F Pearce | 11 | Son | — | Maryland |
| 75 | Virginia L Pearce | 10 | Daughter | — | Maryland |
| 76 | Grover W Pearce | 8 | Son | — | Maryland |
| 77 | Russell H Pearce | 5 | Son | — | Maryland |
| 78 | Catherine Bussey | 30 | Head | — | Pennsylvania |
| 79 | Raymond C Bussey | 16 | Son | — | Maryland |
| 80 | William F Luch | 58 | Boarder | Butcher | Pennsylvania |
| 81 | John P Cooper | 51 | Head | Fireman | Maryland |
| 82 | Mary B Cooper | 41 | Wife-H | — | Maryland |
| 83 | J Ernst Cooper | 20 | Son | Chauffeur | Maryland |
| 84 | Harry A Cooper THIS PERSON | 23 | Son | Laborer | Maryland |
| 85 | Gladys Cooper | 18 | Daughter | — | Maryland |
| 86 | Herman D Gray | 16 | Nephew | Errand Boy | Maryland |
| 87 | John Ed Cooper | 5 | Gr-Son | — | Maryland |
| 88 | Charles G Stamback | 35 | Head | Clergyman | Pennsylvania |
| 89 | Alice G Stamback | 37 | Wife-H | — | Maryland |
| 90 | William A Stamback | 4 | Son | — | Pennsylvania |
| 91 | Alden D Balderson | 46 | Head | Police Officer | Virginia |
| 92 | Daisy E Balderson | 42 | Wife-H | — | Virginia |
| 93 | Roy D Balderson | 19 | Son | Clerk | Maryland |
| 94 | Harold A Balderson | 12 | Son | — | Maryland |
| 95 | Harold E Shirkney | 23 | Head | Carpenter | Maryland |
| 96 | Herman Shirkney | 25 | Brother | Chauffeur | Maryland |
| 97 | Lillian M Shirkney | 18 | Sister-Law | — | Maryland |
| 98 | Ben Usual | 29 | Brother-Law | — | Maryland |
| 99 | Evelyn J Usual | 4 | Niece | — | Maryland |
| 100 | Anis Usual | 0 | Niece | — | Maryland |
Related Census Records
Pedigree Summary
Harry + 2 siblings
Gen 1 · 4 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)