RP
Robert Pratt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Robert Pratt across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Pratt |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Essex |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| John Pratt | Son | — | 18 | ~1922 |
| Maybell Pratt | Daughter | — | 21 | ~1919 |
| John Pratt | Head | — | 54 | ~1886 |
| Virginia Pratt | Daughter | — | 25 | ~1915 |
| Robert Pratt | Son | — | 16 | ~1924 |
| Stewart Pratt | Son | — | 23 | ~1917 |
| Alice Pratt | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Essex, Massachusetts
Son, age 7
Essex, Massachusetts · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pratt |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 16
Essex-County, Massachusetts · implied b. ~1924 — 7 household members
| Surname | Pratt |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Essex |
| 1935 Residence (County) | Essex |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 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 Pratt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Pratt
Son · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Maybell Pratt
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stewart Pratt
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Pratt
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Pratt
Sibling · 1940 · age 25
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01579-00034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Beverly Cail | 54 | Head | Machinist | Massachusetts |
| 42 | Lillian Cail | 44 | Wife | — | Massachusetts |
| 43 | Rae Cail | 23 | Son | Lamp Worker | Massachusetts |
| 44 | Donald Cail | 22 | Son | Lamp Worker | Massachusetts |
| 45 | Maxwell Cail | 19 | Son | Setter | Massachusetts |
| 46 | Shirley Cail | 13 | Daughter | — | Massachusetts |
| 47 | Robert Cail | 11 | Son | — | Massachusetts |
| 48 | Joan Cail | 8 | Daughter | — | Massachusetts |
| 49 | James Cail | 6 | Daughter | — | Massachusetts |
| 50 | Beverly Cail | 5 | Daughter | — | Massachusetts |
| 51 | Bruce Cail | 5 | Son | — | Massachusetts |
| 52 | Margaret Cail | 2 | Daughter | — | Massachusetts |
| 53 | Alice G French | 64 | Head | — | Massachusetts |
| 54 | William Taylor | 53 | Head | Sales Mgr | Massachusetts |
| 55 | Louise G Taylor | 45 | Wife | — | Massachusetts |
| 56 | Dorothy Taylor | 21 | Daughter | — | Massachusetts |
| 57 | Lillian Taylor | 19 | Daughter | Secretary | Massachusetts |
| 58 | Virginia Taylor | 18 | Daughter | — | Massachusetts |
| 59 | Alfred H Kimball | 47 | Head | Electrician | Massachusetts |
| 60 | Bessie H Kimball | 53 | Wife | — | Massachusetts |
| 61 | Francis Kimball | 21 | Son | Lamp Worker | Massachusetts |
| 62 | Melvin Kimball | 20 | Son | — | Massachusetts |
| 63 | William Kimball | 13 | Son | — | Massachusetts |
| 64 | Martha G Reed | 62 | Head | — | Massachusetts |
| 65 | David H Humphreys | 31 | Head | Teacher | Massachusetts |
| 66 | Ester Humphreys | 30 | Wife | — | Massachusetts |
| 67 | John Humphreys | 2 | Son | — | Massachusetts |
| 68 | Jane Humphreys | 1 | Daughter | — | Massachusetts |
| 69 | John W Pratt | 54 | Head | Milk | New York |
| 70 | Alice R Pratt | 53 | Wife | — | Massachusetts |
| 71 | Virginia Pratt | 25 | Daughter | Stenographer | Massachusetts |
| 72 | Stewart Pratt | 23 | Son | Mill Hand | Massachusetts |
| 73 | Maybell Pratt | 21 | Daughter | Stenographer | Massachusetts |
| 74 | John Pratt | 18 | Son | Salesman | Massachusetts |
| 75 | Robert Pratt THIS PERSON | 16 | Son | — | Massachusetts |
| 76 | Harry G Curtis | 61 | Head | Janitor | Massachusetts |
| 77 | Nellie Curtis | 50 | Wife | — | Massachusetts |
| 78 | Harold Curtis | 28 | Son | Book Keeper | Massachusetts |
| 79 | Donald Farnsworth | 34 | Lodger | Boat Builder | Massachusetts |
| 80 | Enid Farnsworth | 30 | Daughter | — | Massachusetts |
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)