RK
Robert King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Robert King across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Marion & Ross — first a head (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | King |
| Given Name | Robert A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Assistant Buyer |
| Industry | Furniture |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2067 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Assistant Buyer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1907 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Patricia King | Daughter | — | 3 | ~1937 |
| Robert King | Head | — | 33 | ~1907 |
| Mary King | Other | — | 60 | ~1880 |
| Roland King | Son | — | 5 | ~1935 |
| Viola King | Spouse | — | 32 | ~1908 |
Census Appearances
1910
Baltimore, Maryland
Son, age 1
Baltimore, Maryland · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Ross Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 22
Baltimore, Maryland · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Ohio |
| Occupation | Salesman |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 33
Baltimore-City-County, Maryland · implied b. ~1907 — 5 household members
| Surname | King |
| Given Name | Robert A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Assistant Buyer |
| Industry | Furniture |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2067 |
| Highest Grade | H-2 |
| 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 Robert King across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Marion King (~0.92 confidence) and father Ross King (~0.92 confidence) and mother Susie King (~0.92 confidence) and mother Etta King (~0.92 confidence) and mother Maggie King (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Marion King
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Ross King
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Susie King
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Etta King
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Maggie King
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert King
Head · 1940 · age 33 · b. ~1907 · 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
36 people indexed on this census page (nara:1940:m-t0627-01539-00425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Robert A King THIS PERSON | 33 | Head | Assistant Buyer | Maryland |
| 3 | Viola A King | 32 | Wife | — | Maryland |
| 4 | Roland King | 5 | Son | — | Maryland |
| 5 | Patricia King | 3 | Daughter | — | Maryland |
| 6 | Mary C King | 60 | Mother | — | Maryland |
| 7 | Laura D Dawson | 51 | Head | — | Maryland |
| 8 | Martha C Dawson | 16 | Daughter | — | Maryland |
| 9 | Mary E Dawson | 16 | Daughter | — | Maryland |
| 11 | William R Johnston | 27 | Head | Conductor | West Virginia |
| 12 | Anne T Johnston | 25 | Wife | — | Maryland |
| 13 | Mary Stalcup | 20 | Housekeeper | Housekeeper | Indiana |
| 15 | Charles B Graves | 53 | Head | Representative Of Real Estate | Pennsylvania |
| 16 | Helen P Graves | 48 | Wife | — | Pennsylvania |
| 17 | Edward Graves | 19 | Son | Engineering Dept | Maryland |
| 18 | Ruth Ann Graves | 14 | Daughter | — | Maryland |
| 19 | John J Howell | 56 | Head | Auditor | Maryland |
| 20 | Mathilda Howell | 55 | Wife | — | Maryland |
| 21 | Otto T A Stricker | 53 | Head | Accountant | Maryland |
| 22 | Ida Stricker | 51 | Wife | — | Maryland |
| 23 | John J Eckels | 30 | Son-in-law | Clerk | Maryland |
| 24 | Margaret M Eckels | 24 | Daughter | Beautician | Maryland |
| 25 | Daisy Lowe | 61 | Housekeeper | Housekeeper | Maryland |
| 26 | Charles Woodward | 21 | Partner | Clerk | Nebraska |
| 27 | Melvin J Corbett | 23 | Head | Clerk | Kansas |
| 28 | Arnold G Engels | 19 | Partner | Clerk | Nebraska |
| 29 | Marvin Christiansen | 21 | Partner | Clerk | Nebraska |
| 30 | Mason R Newell | 22 | Partner | Clerk | Nebraska |
| 31 | Frank Carveth | 20 | Partner | Clerk | Illinois |
| 32 | William J Schneider | 31 | Head | Bookkeeper | Maryland |
| 33 | Catherine R Schneider | 28 | Wife | Secretary | Maryland |
| 34 | Margaret Schneider | 60 | Mother | — | Maryland |
| 35 | Allen C Macnutt | 29 | Head | Electrician | Pennsylvania |
| 36 | Virginia M Macnutt | 24 | Wife | — | Maryland |
| 37 | Charles Hamilton | 55 | Head | Foreman | Maryland |
| 38 | Irene G Hamilton | 52 | Wife | — | Maryland |
| 39 | Virginia Hamilton | 19 | Daughter | — | Maryland |
Pedigree Summary
Robert
Gen 1 · 5 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)