JB
Joseph Brooks — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Joseph Brooks across the 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Charles & James — first a son (b.~1909), then head of a 3-person household.
Age 21
b. ~1909
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Unknown |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Unknown |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Helen Brooks | Daughter | — | 21 | ~1909 |
| James Brooks | Head | — | 21 | ~1909 |
| Joseph Brooks | Son | — | 21 | ~1909 |
Census Appearances
1910
Baltimore, Maryland
Other, age
Baltimore, Maryland · implied b. ~1910 — 38 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Son, age 10
Baltimore, Maryland · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 21
Baltimore, Maryland · implied b. ~1909 — 3 household members
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Unknown |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Joseph Brooks across 3 US Census years (1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage. Identified parents: father Charles Brooks (~0.92 confidence) and father James Brooks (~0.50 confidence) and mother Jenny Brooks (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.78
Father
Charles Brooks
b. ~1871
Source father
● Household
· direct · ~0.92
Father
James Brooks
b. ~1909
Source father
● Household
· direct · ~0.5
Mother
Jenny Brooks
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Brooks
Son · 1930 · age 21 · b. ~1909 · Maryland
★ You are viewing this record
Sibling
Helen Brooks
Sibling · 1930 · age 21
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
50 people indexed on this census page (ia:1930:15thcensus860unit:0993)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Jones | 38 | Head | Laborer | Virginia |
| 2 | Naomi Jones | 31 | Wife | — | Virginia |
| 3 | Frankie Wilson | 28 | Lodger | — | Virginia |
| 4 | James Wilson | 31 | Lodger | — | Virginia |
| 5 | Elizabeth Chambers | 44 | Head | — | Virginia |
| 6 | Edward Chambers | 19 | Son | Laborer | Virginia |
| 7 | Albert Chambers | 20 | Son | Porter | Virginia |
| 8 | Lucille Chambers | 22 | Daughter-in-law | — | Virginia |
| 9 | Ethel Chambers | 27 | Daughter | — | Maryland |
| 10 | Vernon Chambers | 14 | Son | — | Maryland |
| 11 | Mary Chambers | 22 | Daughter | Servant | Virginia |
| 12 | Ibrahim Chambers | 0 | Grandson | — | Maryland |
| 13 | Clarence Cotton | 21 | Lodger | Chauffeur | Virginia |
| 14 | Lee Cotton | 21 | Lodger | Chauffeur | Virginia |
| 15 | Susie Wilbur | 42 | Head | Laundress | Virginia |
| 16 | Beatrice Reese | 18 | Daughter | — | Virginia |
| 17 | Roland Wilson | 10 | Son | — | Virginia |
| 18 | Mary Wilson | 3 | Daughter | — | Maryland |
| 19 | Martha Driver | 38 | Head | Laborer | United States |
| 20 | James Campbell | 21 | Lodger | Unknown | Virginia |
| 21 | Annie Campbell | 21 | Daughter | Unknown | Virginia |
| 22 | John Taylor | 21 | Head | Unknown | United States |
| 23 | Mary Taylor | 20 | Wife | Unknown | United States |
| 24 | James Lincoln | 21 | Head | Unknown | United States |
| 25 | Annie Lincoln | 20 | Wife | Unknown | United States |
| 26 | Rosa Gill | 51 | Head | Servant | Georgia |
| 27 | Willie Gill | 24 | Son | Unknown | Georgia |
| 28 | Beatrice Gill | 36 | Daughter | Servant | Georgia |
| 29 | Abraham Ewen | 30 | Head | Cook | Maryland |
| 30 | Ethel Ewen | 49 | Wife | — | Maryland |
| 31 | Melvin Ewen | 21 | Lodger | Unknown | Maryland |
| 32 | James Brooks | 21 | Head | — | Maryland |
| 33 | Helen Brooks | 21 | Daughter | Unknown | Maryland |
| 34 | Joseph Brooks THIS PERSON | 21 | Son | Unknown | Maryland |
| 35 | Arthur Walker | 21 | Head | Unknown | U.S. |
| 36 | Mary Walker | 20 | Wife | Unknown | U.S. |
| 37 | Isaac Walker | 21 | Son | Unknown | U.S. |
| 38 | Oscar Bowman | 21 | Head | Unknown | U.S. |
| 39 | William Bowman | 21 | Son | Unknown | U.S. |
| 40 | Arthur Bowman | 21 | Son | Unknown | U.S. |
| 41 | Louise Bowman | 21 | Daughter | Unknown | U.S. |
| 42 | John Lee | 18 | Lodger | Laborer | Maryland |
| 43 | Will Grant | 39 | Lodger | Laborer | North Carolina |
| 44 | Robert White | 35 | Lodger | Presser | North Carolina |
| 45 | Samuella Francis | 18 | Lodger | — | Virginia |
| 46 | John W. Ross | 49 | Head | Laborer | Maryland |
| 47 | Eliza Ross | 49 | Wife | — | West Virginia |
| 48 | Alfred Baker | 22 | Grandson | — | Maryland |
| 49 | Katherine Robertson | 21 | Lodger | Servant | United States |
| 50 | Irene Gordon | 21 | Lodger | Servant | United States |
Pedigree Summary
Joseph + 1 sibling
Gen 1 · 3 parents
~0.78
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)