TK
Thomas King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Thomas King across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | King |
| Given Name | Thomas L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Catonsville |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Labor |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 800 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Labor |
| Township / Ward | Catonsville |
| Est. Birth Year | ~1917 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas King | Head | — | 49 | ~1891 |
| Emily King | Son | — | 26 | ~1914 |
| Thomas King | Son | — | 23 | ~1917 |
| Eva King | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Baltimore, Maryland
Son, age 3
Baltimore, Maryland · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 13
Baltimore, Maryland · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Thomas J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Baltimore-County, Maryland
Son, age 23
Baltimore-County, Maryland · implied b. ~1917 — 4 household members
| Surname | King |
| Given Name | Thomas L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Catonsville |
| 1935 Residence (County) | Baltimore |
| Occupation | Labor |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 800 |
| Highest Grade | H 1 |
| 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 Thomas King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas King (~0.92 confidence) and father Thomas King (~0.92 confidence) and mother Eva King (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas King
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Thomas King
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Eva King
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas King
Son · 1940 · age 23 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
Emily King
Sibling · 1940 · age 26
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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01503-00384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty L. Gray | 3 | Daughter | — | Maryland |
| 42 | Ernest W. Gray | 1 | Son | — | Maryland |
| 43 | Ernest Ruske | 34 | Lodger | Helper | Maryland |
| 44 | Thomas J. King | 49 | Head | Labor | Maryland |
| 45 | Eva C. King | 48 | Wife | — | Maryland |
| 46 | Thomas L. King THIS PERSON | 23 | Son | Labor | Maryland |
| 47 | Emily H. King | 26 | Son | — | Maryland |
| 48 | Richard L. Bathgate | 31 | Head | Helper | Maryland |
| 49 | Mary L. Bathgate | 31 | Wife | — | Maryland |
| 50 | Betty M. Bathgate | 12 | Daughter | — | Maryland |
| 51 | Richard M. Bathgate | 11 | Son | — | Maryland |
| 52 | Herbert C. Bathgate | 11 | Son | — | Maryland |
| 53 | Mary C. Bathgate | 9 | Daughter | — | Maryland |
| 54 | Jessie Gail Bathgate | 6 | Daughter | — | Maryland |
| 55 | Ralph Bathgate | 1 | Son | — | Maryland |
| 56 | Peggy Bathgate | 0 | Daughter | — | Maryland |
| 57 | Thomas B. Lowery | 45 | Head | Labor | Maryland |
| 58 | Nellie L. Lowery | 46 | Wife | — | Maryland |
| 59 | Shirley L. Lowery | 15 | Daughter | Schaufer | Maryland |
| 60 | Elizabeth Schwartz | 22 | Daughter | Stitcher | Maryland |
| 61 | George W. Schwartz | 26 | Son-in-law | — | Maryland |
| 62 | Barbara Schwartz | 3 | Granddaughter | — | Maryland |
| 63 | Aaron W. Gray | 25 | Head | Helper | Tennessee |
| 64 | Ada M. Gray | 27 | Wife | — | Tennessee |
| 65 | James A. Lowery | 26 | Head | Operator | Maryland |
| 66 | Dorothy G. Lowery | 25 | Wife | — | Maryland |
| 67 | Patricia A. Lowery | 6 | Daughter | — | Maryland |
| 68 | Nancy L. Lowery | 5 | Daughter | — | Maryland |
| 69 | Edith M. Lowery | 4 | Daughter | — | Maryland |
| 70 | Rebecca J. Lowery | 2 | Daughter | — | Maryland |
| 71 | Vera Gavey | 24 | Lodger | Stitcher | Maryland |
| 72 | Lawrence Lafollette | 24 | Head | Helper | Tennessee |
| 73 | Elsie A. Lafollette | 19 | Wife | — | Maryland |
| 74 | Lawrence R. Lafollette | 3 | Son | — | Maryland |
| 75 | Alice A. Lafollette | 2 | Daughter | — | Maryland |
| 76 | David B. Lafollette | 0 | Son | — | Maryland |
| 77 | H. Clark | 23 | Brother | Operator | Tennessee |
| 78 | Vivian Stanton | 21 | Lodger | Helper | Tennessee |
| 79 | Raymond Wright | 22 | Head | Pressfeeder | Virginia |
| 80 | Mary L. Wright | 20 | Wife | — | Maryland |
Pedigree Summary
Thomas + 1 sibling
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)