HJ
Harry Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Harry Jackson across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents John & Addie — first a head (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jackson |
| Given Name | Harry M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Plumber |
| Industry | Dreyer Cont. |
| Class of Worker | PW |
| Hours Worked | 52 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Plumber |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1894 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Jackson | Head | — | 46 | ~1894 |
| George Skinner | Other | — | 34 | ~1906 |
| Herbert Jackson | Son | — | 26 | ~1914 |
| Katie Jackson | Spouse | — | 46 | ~1894 |
Census Appearances
1910
Baltimore, Maryland
Son, age 16
Baltimore, Maryland · implied b. ~1894 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Spinner |
| Industry | Cotton Mill |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Head, age 25
Baltimore, Maryland · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Pumpman |
| Industry | Oil Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 36
Baltimore, Maryland · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Plumber |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $28.00 |
| Radio Set | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 46
Baltimore-City-County, Maryland · implied b. ~1894 — 4 household members
| Surname | Jackson |
| Given Name | Harry M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Plumber |
| Industry | Dreyer Cont. |
| Class of Worker | PW |
| Hours Worked | 52 |
| Highest Grade | No 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 Jackson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Jackson (~0.92 confidence) and mother Addie Jackson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jackson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Addie Jackson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Jackson
Head · 1940 · age 46 · b. ~1894 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01521-00373)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Proctor | 32 | Lodger | Operator | Maryland |
| 2 | James T. Neal | 60 | Head | Machinist | Maryland |
| 3 | Maggie Neal | 65 | Wife | — | Virginia |
| 4 | Edward C. Knight | 63 | Boarder | Presser | Virginia |
| 5 | Raymond Sherman | 29 | Head | Laborer | Maryland |
| 6 | Ruth G. Sherman | 28 | Wife | — | Maryland |
| 7 | Ruth J. Sherman | 7 | Daughter | — | Maryland |
| 8 | Shirley Ann Sherman | 3 | Daughter | — | Maryland |
| 9 | Harry M. Jackson THIS PERSON | 46 | Head | Plumber | Maryland |
| 10 | Katie M. Jackson | 46 | Wife | — | Maryland |
| 11 | Herbert E. Jackson | 26 | Son | Optometrist | Maryland |
| 12 | George L. Skinner | 34 | Boarder | Laborer | Maryland |
| 13 | Louis Fletcher | 47 | Head | Plumber | Virginia |
| 14 | Lillian M. Fletcher | 47 | Wife | Weaver | Virginia |
| 15 | Vivian A. Fletcher | 13 | Daughter | — | Maryland |
| 16 | Dalline J. Fletcher | 12 | Daughter | — | Maryland |
| 17 | Zacharia W. Wheat | 27 | Boarder | Helper | Maryland |
| 18 | Helen T. Gannett | 42 | Head | — | Maryland |
| 19 | George E. Gannett | 17 | Son | — | Maryland |
| 20 | William H. Gannett | 14 | Son | — | Maryland |
| 21 | John J. Wagner | 37 | Head | Operator | Maryland |
| 22 | Evelyn E. Wagner | 22 | Wife | Waitress | Maryland |
| 23 | John J. Jr. Wagner | 5 | Son | — | Maryland |
| 24 | Henry Lapeyne | 31 | Lodger | Collector | Maryland |
| 25 | Lillian O. Lapeyne | 27 | Wife | Waitress | Maryland |
| 26 | Felix H. Decker | 67 | Head | — | Pennsylvania |
| 27 | Mamie E. Decker | 60 | Wife | Charlady | Maryland |
| 28 | Raymond H. Decker | 19 | Son | — | Maryland |
| 29 | Edith C. Strickland | 63 | Head | — | South Carolina |
| 30 | Russell Strickland | 31 | Son | Textile Worker | South Carolina |
| 31 | Marcus C. Strickland | 26 | Son | Sign Painter | North Carolina |
| 32 | Charles Evans | 55 | Head | Watchman | Maryland |
| 33 | Ella L. Evans | 54 | Wife | — | Maryland |
| 34 | Millard H. Brown | 34 | Head | Meat Manager | Maryland |
| 35 | Eloise P. Brown | 34 | Wife | — | Maryland |
| 36 | Kenneth M. Brown | 12 | Son | — | Maryland |
| 37 | Shirley J. Brown | 11 | Daughter | — | Maryland |
| 38 | Donald H. Brown | 3 | Son | — | Maryland |
| 39 | Dallas W. Compton | 48 | Head | Machine Tender | Virginia |
| 40 | Lula R. Compton | 39 | Wife | — | Maryland |
Pedigree Summary
Harry
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)