RT
Ralph Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Anne-Arundel-County, Maryland
Our Model Tree links this Ralph Thompson across the 1920, 1930 and 1940 US Censuses in Anne-Arundel-County, Maryland (XGBoost, ~Confirmed), with identified parents James & Bessie — first a son (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Anne-Arundel-County, Maryland |
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Churchton |
| 1935 Residence (County) | Anne Arundel |
| Additional Details | |
| Occupation | Oyster Shucker |
| Industry | Oyster packing |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 496 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Oyster Shucker |
| Township / Ward | Churchton |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Arthur Thompson | Son | — | 22 | ~1918 |
| Ira Thompson | Son | — | 20 | ~1920 |
| Benjamin Cromwell | Other | — | 7 | ~1933 |
| Ralph Thompson | Son | — | 25 | ~1915 |
| Clinton Thompson | Son | — | 29 | ~1911 |
| Bessie Thompson | Head | — | 54 | ~1886 |
Census Appearances
1920
Anne Arundel, …
Son, age 4
Anne Arundel, Maryland · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Anne Arundel, …
Son, age 15
Anne Arundel, Maryland · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Anne-Arundel-County, Maryland
Son, age 25
Anne-Arundel-County, Maryland · implied b. ~1915 — 6 household members
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Churchton |
| 1935 Residence (County) | Anne Arundel |
| Occupation | Oyster Shucker |
| Industry | Oyster packing |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 496 |
| Highest Grade | No 7 |
| 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 Ralph Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Thompson (~0.92 confidence) and mother Bessie Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Thompson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Bessie Thompson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Thompson
Son · 1940 · age 25 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Ira Thompson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Thompson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clinton Thompson
Sibling · 1940 · age 29
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
1940 US Federal Census — Anne-Arundel-County, Maryland
Open full size
1940 US Federal Census — Anne-Arundel-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01502-00716)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alma Blunt | 34 | daughter | Maid | Maryland |
| 42 | Harold Hilliard | 9 | grand-son | — | Maryland |
| 43 | Roland Scott | 47 | head | Oyster Tonger | Maryland |
| 44 | Jennie Scott | 37 | wife | — | Maryland |
| 45 | Richard Scott | 9 | son | — | Wash. D.C. |
| 46 | Claude Thompson | 28 | head | Oyster Shucker | Maryland |
| 47 | Geneva Thompson | 28 | wife | Maid | Maryland |
| 48 | Marshall Thompson | 53 | head | Oyster Tonger | Maryland |
| 49 | Edna Thompson | 49 | wife | — | Maryland |
| 50 | George Thompson | 4 | grand-son | — | Maryland |
| 51 | Joseph Fountain | 53 | head | Oystertonger | Maryland |
| 52 | Mary Fountain | 49 | wife | Maid | Maryland |
| 53 | Josephine Fountain | 33 | daughter | — | Maryland |
| 54 | Henry Fountain | 31 | brother | — | Maryland |
| 55 | Joseph Fountain | 9 | grand-son | — | Maryland |
| 56 | Morris Mackell | 52 | head | Carpenter | Maryland |
| 57 | Elizabeth Mackell | 54 | wife | — | Maryland |
| 58 | Charles Mackell | 7 | grand-son | — | Maryland |
| 59 | Bessie Thompson | 54 | head | — | Maryland |
| 60 | Clinton Thompson | 29 | son | Oyster Shucker | Maryland |
| 61 | Ralph Thompson THIS PERSON | 25 | son | Oyster Shucker | Maryland |
| 62 | Ira Thompson | 20 | son | Oyster Shucker | Maryland |
| 63 | Arthur Thompson | 22 | son | Oyster Shucker | Maryland |
| 64 | Benjamin Cromwell | 7 | grandson | — | Maryland |
| 65 | Alexander Thompson | 72 | head | Oyster Culler | Maryland |
| 66 | Sarah A Thompson | 69 | wife | — | Maryland |
| 67 | James Hutton | 42 | brother-in-law | Oyster Tonger | Maryland |
| 68 | Luara Hutton | 36 | daughter | — | Maryland |
| 69 | Albert Thompson | 34 | head | Oyster Tonger | Maryland |
| 70 | Goldie Thompson | 28 | wife | Maid | Maryland |
| 71 | Albert R Thompson | 8 | son | — | Maryland |
| 72 | Owen Calvin Thompson | 5 | son | — | Maryland |
| 73 | Joseph K Thompson | 0 | son | — | Maryland |
| 74 | Selma Thompson | 52 | head | Oyster Tonger | Maryland |
| 75 | Mary A Thompson | 53 | wife | Maid | Maryland |
| 76 | Porter Thompson | 25 | son | Oyster Shucker | Maryland |
| 77 | Milton Thompson | 22 | son | Oyster Shucker | Maryland |
| 78 | Gilbert Thompson | 17 | son | Oyster Shucker | Maryland |
| 79 | Mamie Thompson | 15 | daughter | — | Maryland |
| 80 | Margaret Thompson | 13 | daughter | — | Maryland |
Related Census Records
Pedigree Summary
Ralph + 3 siblings
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)