HT
Henry Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Henry Thompson across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Jesse & Ida — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thompson |
| Given Name | Henry A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Machinist |
| Industry | Oil Industry |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 326 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Machinist |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1902 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Thompson | Daughter | — | 16 | ~1924 |
| Thelma Thompson | Daughter | — | 13 | ~1927 |
| Henry Thompson | Head | — | 38 | ~1902 |
| Henry Thompson | Son | — | 12 | ~1928 |
| Dorothy Thompson | Spouse | — | 37 | ~1903 |
Census Appearances
Son, age 6
Baltimore, Maryland · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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 17
Baltimore, Maryland · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Helper |
| Industry | Brass Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 28
Baltimore, Maryland · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Henry A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Machinist |
| Industry | C & P |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 38
Baltimore-City-County, Maryland · implied b. ~1902 — 5 household members
| Surname | Thompson |
| Given Name | Henry A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Machinist |
| Industry | Oil Industry |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 326 |
| Highest Grade | No 6 |
| 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 Henry Thompson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jesse Thompson (~0.92 confidence) and mother Ida Thompson (~0.92 confidence) and mother Emma Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jesse Thompson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Ida Thompson
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Emma Thompson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Henry Thompson
Head · 1940 · age 38 · b. ~1902 · 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-t0627-01508-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna T Lovell | 27 | Wife | — | Maryland |
| 42 | Valerie J Lovell | 1 | Daughter | — | Maryland |
| 43 | Josephine Kalinski | 60 | Head | — | Maryland |
| 44 | George A Kuhl | 35 | Head | Telephone Installer | Maryland |
| 45 | Catherine Kuhl | 36 | Wife | — | Maryland |
| 46 | Edward Boyce | 35 | Head | Engineer | Maryland |
| 47 | Ethel R Boyce | 36 | Wife | — | Maryland |
| 48 | Edward W Boyce | 11 | Son | — | Maryland |
| 49 | George G Boyce | 9 | Son | — | Maryland |
| 50 | Ethel E Boyce | 8 | Daughter | — | Maryland |
| 51 | Carole D Boyce | 6 | Daughter | — | Maryland |
| 52 | Marion L Boyce | 4 | Daughter | — | Maryland |
| 53 | Augusta Boyce | 58 | Mother-in-law | Helping In Diet Kitchen | Maryland |
| 54 | Anna M Bohle | 72 | Head | — | Germany |
| 55 | Martha E Bohle | 48 | Step-Daughter | Seamstress | Maryland |
| 56 | Herman Stange | 45 | Head | Laborer | Germany |
| 57 | Helen I Stange | 48 | Wife | — | Maryland |
| 58 | Edith B Stange | 20 | Daughter | Operating Machine | Maryland |
| 59 | John R Stange | 16 | Son | — | Maryland |
| 60 | John Zigler | 36 | Head | Laborer | Austria |
| 61 | Vera Zigler | 36 | Wife | — | Maryland |
| 62 | Robert Zigler | 9 | Son | — | Maryland |
| 63 | James Zigler | 4 | Son | — | Maryland |
| 64 | William Jaczhowski | 74 | Head | — | Poland |
| 65 | Veronica Jaczhowski | 65 | Wife | — | Poland |
| 66 | Edward Jaczhowski | 45 | Son | Laborer | Poland |
| 67 | Eugene Reynolds | 39 | Head | Truck Driver | Virginia |
| 68 | Annabelle Reynolds | 33 | Wife | — | Maryland |
| 69 | Melvin S Lumpkin | 46 | Head | Proprietor | Maryland |
| 70 | Ida E Lumpkin | 46 | Wife | — | Maryland |
| 71 | Carroll M Lumpkin | 22 | Son | — | Maryland |
| 72 | Donald R Lumpkin | 20 | Son | — | Maryland |
| 73 | Raymond A Lumpkin | 16 | Son | — | Maryland |
| 74 | Henry A Thompson THIS PERSON | 38 | Head | Machinist | Maryland |
| 75 | Dorothy G Thompson | 37 | Wife | — | Maryland |
| 76 | Dorothy O Thompson | 16 | Daughter | — | Maryland |
| 77 | Thelma C Thompson | 13 | Daughter | — | Maryland |
| 78 | Henry A Thompson | 12 | Son | — | Maryland |
| 79 | John Rakoczy | 44 | Head | Window Cleaner | Russia |
| 80 | Anna Rakoczy | 38 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Henry
Gen 1 · 3 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)