RK
Robert King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Robert King across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Susan — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | King |
| Given Name | Robert H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Salesman |
| Industry | Music Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Gail King | Daughter | — | ~1940 | |
| Robert King | Head | — | 27 | ~1913 |
| Margaret King | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1914 — 3 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 | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 16
Suffolk, Massachusetts · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 3 household members
| Surname | King |
| Given Name | Robert H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Salesman |
| Industry | Music Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles King (~0.92 confidence) and mother Susan King (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles King
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Susan King
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert King
Head · 1940 · age 27 · b. ~1913 · Massachusetts
★ 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01676-00004)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Agnes E Gamble | 40 | Head | — | Canada English |
| 2 | John R Gamble | 24 | Son | Ice Man | Massachusetts |
| 3 | Frank L Gamble | 22 | Son | Salesman | Massachusetts |
| 4 | William C Gamble | 15 | Son | — | Massachusetts |
| 5 | David A Gamble | 12 | Son | — | Massachusetts |
| 6 | Milford A Urquhart | 28 | Son-in-law | Garage Man | Canada English |
| 7 | Catherine R Urquhart | 25 | Daughter | — | Massachusetts |
| 8 | Margaret A Urquhart | 2 | Daughter | — | Massachusetts |
| 9 | Jessie R Coombs | 34 | Sister | Nurse | Canada English |
| 10 | William Collen | 58 | Lodger | — | Irish Free State |
| 11 | John F Cusick | 70 | Head | Lawyer | Massachusetts |
| 12 | Rosina J B Cusick | 68 | Wife | — | Massachusetts |
| 13 | Walter M Cusick | 46 | Son | Radio | Massachusetts |
| 14 | Irene H Cusick | 45 | Daughter-in-law | — | New York |
| 15 | Anne E Murray | 74 | Sister-in-law | — | Massachusetts |
| 16 | Mary C Doherty | 64 | Head | — | Italy |
| 17 | Mary V Doherty | 32 | Daughter | School Teacher | Massachusetts |
| 18 | Frank J Doherty | 30 | Son | Printer | Massachusetts |
| 19 | John F Doherty | 28 | Son | Substitute | Massachusetts |
| 20 | Elizabeth J Doherty | 24 | Daughter | Cadetty | Massachusetts |
| 21 | Charles B Griffin | 74 | Head | — | New Hampshire |
| 22 | Ada D Griffin | 65 | Wife | — | Massachusetts |
| 23 | Ellsworth Griffin | 30 | Son | Credit Work | Massachusetts |
| 24 | Harry E Webber | 47 | Son-in-law | Buyer | Massachusetts |
| 25 | Alice D Webber | 38 | Daughter | Cashier | Massachusetts |
| 26 | Thomas H Nelson | 29 | Head | Electrician | Massachusetts |
| 27 | Harriet Nelson | 28 | Wife | — | Massachusetts |
| 28 | Russell E Dorr | 25 | Head | Dispatcher | Maine |
| 29 | Constance C Dorr | 31 | Wife | — | Massachusetts |
| 30 | Bruce B Dorr | 1 | Son | — | Massachusetts |
| 31 | Robert H King THIS PERSON | 27 | Head | Salesman | Massachusetts |
| 32 | Margaret M King | 28 | Wife | — | Massachusetts |
| 33 | Gail P King | 0 | Daughter | — | Massachusetts |
| 34 | James W Rear | 66 | Head | Interior Decorator | Massachusetts |
| 35 | Louise B Rear | 57 | Wife | — | Massachusetts |
| 36 | James W Rear | 28 | Son | Interior Decorator | Massachusetts |
| 37 | Katherine M Barry | 53 | Sister-in-law | Music Teacher | Massachusetts |
| 38 | Joseph G Mcgilvray | 68 | Head | Printer | Canada English |
| 39 | Alvira D Mcgilvray | 61 | Wife | — | Massachusetts |
| 40 | Alvira E Mcgilvray | 33 | Daughter | Stenographer | Massachusetts |
Pedigree Summary
Robert
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)