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Grace Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Grace Parker across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Parker |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | 9 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Boston City |
| Est. Birth Year | ~1922 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Stella Parker | Daughter | — | 22 | ~1918 |
| Stephen Parker | Son | — | 12 | ~1928 |
| Domenica Parker | Daughter | — | 24 | ~1916 |
| Grace Parker | Daughter | — | 18 | ~1922 |
| Frank Parker | Son | — | 20 | ~1920 |
| Stephen Parker | Head | — | 54 | ~1886 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 8
Suffolk, Massachusetts · implied b. ~1922 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Gloria |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 18
Suffolk-County, Massachusetts · implied b. ~1922 — 6 household members
| Surname | Parker |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | 9 |
| 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 Grace Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Parker
Daughter · 1940 · age 18 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
Frank Parker
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Parker
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Parker
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Domenica Parker
Sibling · 1940 · age 24
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 — 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-t0627-01657-00659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angela Danilo | 10 | Daughter | — | Massachusetts |
| 2 | Joseph Danilo | 2 | Son | — | Massachusetts |
| 3 | Francesco Dicicco | 36 | Head | Orderly | Italy |
| 4 | Mary Dicicco | 32 | Wife | — | Massachusetts |
| 5 | Elena Dicicco | 2 | Daughter | — | Massachusetts |
| 6 | Andrew Macdonald | 37 | Head | Carpenter | Massachusetts |
| 7 | Sadie Macdonald | 37 | Wife | — | Massachusetts |
| 8 | Margaret Joyce | 76 | Head | — | Canada English |
| 9 | Melvin Joyce | 46 | Son | Printer | Canada English |
| 10 | Louise Simms | 37 | Head | — | Massachusetts |
| 11 | Louis Simms | 18 | Son | New Worker | Massachusetts |
| 12 | Anna Simms | 10 | Daughter | — | Massachusetts |
| 13 | Anna Rogers | 42 | Head | Shoe Worker | Massachusetts |
| 14 | Sabino Bonagura | 65 | Head | — | Italy |
| 15 | Julia Bonagura | 52 | Wife | — | Italy |
| 16 | Stanley Bonagura | 18 | Son | — | Massachusetts |
| 17 | Joseph Deangelis | 24 | Head | Meat Lugger | Massachusetts |
| 18 | Antoinette Deangelis | 21 | Wife | Stitcher | Massachusetts |
| 19 | Madeline Deangelis | 2 | Daughter | — | Massachusetts |
| 20 | Andrew Antonucci | 24 | Head | Presser | Massachusetts |
| 21 | Clara Antonucci | 24 | Wife | Staley Maker | Massachusetts |
| 22 | Ignazio Bentura | 59 | Head | Laborer | Italy |
| 23 | Rose Bentura | 55 | Wife | — | Italy |
| 24 | John Bentura | 20 | Son | New Worker | Massachusetts |
| 25 | Stephen Parker | 54 | Head | Laborer | Italy |
| 26 | Domenica Parker | 24 | Daughter | Checker | Massachusetts |
| 27 | Stella Parker | 22 | Daughter | Shoe Worker | Massachusetts |
| 28 | Frank Parker | 20 | Son | Presser | Massachusetts |
| 29 | Grace Parker THIS PERSON | 18 | Daughter | New Worker | Massachusetts |
| 30 | Stephen Parker | 12 | Son | — | Massachusetts |
| 31 | Frank Grasso | 31 | Head | Laborer | Italy |
| 32 | Helen Grasso | 23 | Wife | Ball Wrapper | Massachusetts |
| 33 | Chester Pye | 30 | Head | Press Feeder | Massachusetts |
| 34 | Irene Pye | 24 | Wife | — | Massachusetts |
| 35 | Carole Pye | 1 | Daughter | — | Massachusetts |
| 36 | John Christoforo | 22 | Head | Electric Welder | Massachusetts |
| 37 | Mary Christoforo | 23 | Wife | Machine Inspector | Italy |
| 38 | Dominic Ciola | 35 | Head | Millwright | Massachusetts |
| 39 | Sabina Ciola | 36 | Wife | Bookkeeper | Italy |
| 40 | Joseph Russo | 40 | Head | Taxi Driver | Italy |
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)