HB
Harry Brooks — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Harry Brooks across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 6-person household.
Age 41
b. ~1889
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Brooks |
| Given Name | Harry D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 31 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Machinist |
| Industry | Electric |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Machinist |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Gerald Trout | Other | — | ~1930 | |
| Harry Brooks | Head | — | 41 | ~1889 |
| Gladys Trout | Other | — | 19 | ~1911 |
| Rose Brooks | Son | — | 2 | ~1928 |
| Edna Brooks | Spouse | — | 42 | ~1888 |
| Wilbur Trout | Other | — | 23 | ~1907 |
Census Appearances
1920
Baltimore, Maryland
Other, age 29
Baltimore, Maryland · implied b. ~1891 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Henry |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Fertilizer Plant |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 41
Baltimore, Maryland · implied b. ~1889 — 6 household members
| Surname | Brooks |
| Given Name | Harry D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 31 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Machinist |
| Industry | Electric |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 51
Baltimore-City-County, Maryland · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Harry T |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore city |
| Highest Grade | S 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 Harry Brooks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harry Brooks
Head · 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
47 people indexed on this census page (ia:1930:15thcensus857unit:0139)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Sherman J. Warner | 40 | Head | Inspector | Maryland |
| 52 | Ruth Warner | 35 | Wife | — | Maryland |
| 53 | Katherine Warner | 14 | Daughter | — | Maryland |
| 54 | Robert Warner | 12 | Son | — | Maryland |
| 55 | Shirley P. Warner | 8 | Daughter | — | Maryland |
| 56 | Ida Myers | 64 | Mother-in-law | — | Maryland |
| 58 | Pierce C. Derr | 51 | Head | Lineman | Maryland |
| 59 | Ira M. Derr | 47 | Wife | — | Maryland |
| 60 | Richard Derr | 9 | Son | — | Maryland |
| 61 | Richard L. Basile | 21 | Step-son | Clerk | Maryland |
| 62 | Helen Basile | 18 | Step-daughter | Stenographer | Maryland |
| 63 | Vernon Basile | 13 | Step-son | — | Maryland |
| 64 | John W. French | 48 | Head | Machinist | Maryland |
| 65 | Estella E. French | 43 | Wife | — | Maryland |
| 66 | Jacob Lovell | 45 | Brother-in-law | Lineman | Maryland |
| 67 | Bessie Lovell | 19 | Niece | — | Maryland |
| 68 | Dorothy Lovell | 11 | Niece | — | Maryland |
| 69 | Mamie Lovell | 47 | Sister-in-law | Dressmaker | Maryland |
| 70 | Arthur C. Punter | 52 | Head | Machinist | Maryland |
| 71 | Gertrude M. Punter | 44 | Wife | — | Maryland |
| 72 | Hazel Punter | 15 | Daughter | — | Maryland |
| 73 | Mildred Punter | 13 | Daughter | — | Maryland |
| 74 | Harry D. Brooks THIS PERSON | 41 | Head | Machinist | Maryland |
| 75 | Edna S. Brooks | 42 | Wife | — | Maryland |
| 76 | Rose Brooks | 2 | Son | — | Maryland |
| 77 | Wilbur Trout | 23 | Roomer | Fireman | Illinois |
| 78 | Gladys Trout | 19 | Roomer | — | Ohio |
| 79 | Gerald Trout | 0 | Roomer | — | Maryland |
| 80 | John Myers | 51 | Head | — | Pennsylvania |
| 81 | Effie Myers | 51 | Wife | Machinist | North Carolina |
| 82 | John Jr. Myers | 16 | Son | — | Virginia |
| 83 | Emma Myers | 14 | Daughter | Operator | Virginia |
| 84 | Helen Myers | 12 | Daughter | — | Virginia |
| 85 | George Myers | 10 | Son | — | Virginia |
| 86 | Stanley Myers | 6 | Son | — | Virginia |
| 87 | Howard Ivens | 53 | Head | Laborer | Maryland |
| 88 | Mary Ivens | 23 | Wife | — | Maryland |
| 89 | Lucille Ivens | 1 | Daughter | — | Maryland |
| 90 | Amelia Ivens | 65 | Mother | — | Maryland |
| 91 | Herman Ulmshneider | 51 | Head | Mechanic | Germany |
| 92 | Nellie Ulmshneider | 38 | Wife | — | Maryland |
| 93 | Herman Jr. Ulmshneider | 15 | Son | — | Maryland |
| 94 | Leo Ulmshneider | 7 | Son | — | Maryland |
| 95 | Eugene Ulmshneider | 6 | Son | — | Maryland |
| 96 | Lila Ulmshneider | 5 | Daughter | — | Maryland |
| 97 | George W. Yostner | 65 | Head | — | Maryland |
| 98 | Christine Yostner | 67 | Wife | — | 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)