HJ
Herbert Jackson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Harford, Maryland
Our Model Tree links this Herbert Jackson across the 1920 and 1930 US Censuses in Harford, Maryland (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 9-person household.
Age 15
b. ~1915
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Harford, Maryland |
| Surname | Jackson |
| Given Name | Herbert A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Bel Air Town |
| Est. Birth Year | ~1915 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Carrie Jackson | Daughter | — | 3 | ~1927 |
| Mabel Jackson | Other | — | 30 | ~1900 |
| Isabell Jackson | Daughter | — | 7 | ~1923 |
| Mary Jackson | Daughter | — | 6 | ~1924 |
| Herbert Jackson | Son | — | 15 | ~1915 |
| Hester Jackson | Daughter | — | 5 | ~1925 |
| Samuel Jackson | Son | — | 1 | ~1929 |
| Hazel Jackson | Daughter | — | 10 | ~1920 |
| Samuel Jackson | Head | — | 40 | ~1890 |
Census Appearances
1920
Harford, Maryland
Son, age 5
Harford, Maryland · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Harford, Maryland
Son, age 15
Harford, Maryland · implied b. ~1915 — 9 household members
| Surname | Jackson |
| Given Name | Herbert A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Herbert Jackson across 2 US Census years (1920 and 1930) in Harford, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Herbert Jackson
Son · 1930 · age 15 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Mary Jackson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Jackson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabell Jackson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Jackson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carrie Jackson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hester Jackson
Sibling · 1930 · age 5
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 — Harford, Maryland
Open full size
1930 US Federal Census — Harford, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus875unit:0824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Samuel A Jackson | 40 | Head | Day Laborer | Maryland |
| 52 | Mabel S Jackson | 30 | Wife-H | Laundress | Maryland |
| 53 | Herbert A Jackson THIS PERSON | 15 | Son | None | Maryland |
| 54 | Hazel E Jackson | 10 | Daughter | None | Maryland |
| 55 | Isabell M Jackson | 7 | Daughter | None | Maryland |
| 56 | Mary D Jackson | 6 | Daughter | None | Maryland |
| 57 | Hester H Jackson | 5 | Daughter | None | Maryland |
| 58 | Carrie Jackson | 3 | Daughter | None | Maryland |
| 59 | Samuel A Jackson | 1 | Son | None | Maryland |
| 60 | Patrick J Carroll | 78 | Head | Bailiff | Maryland |
| 61 | Annie Carroll | 86 | Wife-H | None | Maryland |
| 62 | Fannie Gray | 65 | Housekeeper | Housekeeper | Pennsylvania |
| 63 | Clinton L Rexford | 42 | Head | Purchasing | Maryland |
| 64 | Isabel O.C. Rexford | 41 | Wife-H | None | Maryland |
| 65 | John C Rexford | 14 | Son | None | Maryland |
| 66 | Lydia E Rexford | 11 | Daughter | None | Delaware |
| 67 | Howard S. O'Neill | 46 | Head | Cashier | Maryland |
| 68 | Madeline R O'Neill | 40 | Wife-H | None | Maryland |
| 69 | Mary L O'Neill | 12 | Daughter | None | Maryland |
| 70 | John H O'Neill | 10 | Son | None | Maryland |
| 71 | Madeline O'Neill | 8 | Daughter | None | Maryland |
| 72 | Thomas H O'Neill | 7 | Son | None | Maryland |
| 73 | Henry St. A O'Neill | 5 | Son | None | Maryland |
| 74 | James F O'Neill | 3 | Son | None | Maryland |
| 75 | Anna L O'Neill | 2 | Daughter | None | Maryland |
| 76 | Russell Mccomas | 24 | Head | Farmer | Maryland |
| 77 | Helen L Mccomas | 20 | Wife-H | Teacher | Maryland |
| 78 | Ella C Laird | 18 | Sister-in-law | Stenographer | Maryland |
| 79 | Henry C Hall | 52 | Head | Business Manager | West Virginia |
| 80 | Bertha M Hall | 51 | Sister-H | None | West Virginia |
| 81 | Edward N. Hall | 27 | Son | Book Keeper | Virginia |
| 82 | Frances W Hall | 19 | Daughter | None | Maryland |
| 83 | Grace N Hall | 15 | Daughter | None | Maryland |
| 84 | John M Bush | 27 | Son-in-law | Machine Shop | Pennsylvania |
| 85 | Virginia S. Bush | 24 | Daughter | None | Virginia |
| 86 | John M Bush | 2 | Grand son | None | Maryland |
| 87 | Grace F Gorman | 43 | Head-H | Assistant Clerk | Maryland |
| 88 | Richard W Jewell | 42 | Head | Advertising | Maryland |
| 89 | Mabel L Jewell | 35 | Wife-H | Trained Nurse | Maryland |
| 90 | Richard W Jewell | 10 | Son | None | Maryland |
| 91 | Bettie L Jewell | 7 | Daughter | None | Maryland |
| 92 | Carrie B Carroll | 51 | Cousin | Chief Operator | Maryland |
| 93 | Richard H Lee | 53 | Head | Dentist | Maryland |
| 94 | Effie F Lee | 51 | Wife-H | None | Maryland |
| 95 | Francis L Lee | 51 | Brother | Laborer | Maryland |
| 96 | John J Harman | 55 | Laborer | Laborer | Maryland |
| 97 | George Bond | 65 | Head | Gardener | Maryland |
| 98 | Laura C Buckhannon | 30 | Daughter-H | Laundress | Maryland |
| 99 | Charles Buckhannon | 7 | Grand son | None | Maryland |
| 100 | Claude Buckhannon | 5 | Grand son | None | Maryland |
Related Census Records
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)