JW
John Watts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Watts across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Watts |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 5 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Watts | Spouse | — | 34 | ~1906 |
| John Watts | Head | — | 39 | ~1901 |
| Barbara Watts | Daughter | — | 5 | ~1935 |
| Franklin Watts | Son | — | 13 | ~1927 |
| Robert Watts | Son | — | 9 | ~1931 |
| John Watts | Son | — | 10 | ~1930 |
| Barbara Colquhoun | Other | — | 57 | ~1883 |
| George Watts | Son | — | 11 | ~1929 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age
Suffolk, Massachusetts · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 10
Middlesex-County, Massachusetts · implied b. ~1930 — 8 household members
| Surname | Watts |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 5 |
| 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 John Watts across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Watts
Son · 1940 · age 10 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
George Watts
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Watts
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Watts
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Watts
Sibling · 1940 · age 5
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01692-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter Steele | 2 | Son | — | Massachusetts |
| 42 | Anthony Santos | 37 | Head | Cotton Mill | Massachusetts |
| 43 | Marcil Santos | 33 | Wife | 35 | Massachusetts |
| 44 | Rose Santos | 12 | Daughter | — | Massachusetts |
| 45 | Joseph Santos | 10 | Son | — | Massachusetts |
| 46 | Martin H. Bach | 56 | Head | Brewery Co | Massachusetts |
| 47 | Mary X Bach | 40 | Wife | — | Massachusetts |
| 48 | Martin Jr. Bach | 9 | Son | — | Massachusetts |
| 49 | William H. Bach | 5 | Son | — | Massachusetts |
| 50 | Thomas J. Kane | 34 | Head | Printing Bus. | Massachusetts |
| 51 | Margaret Kane | 36 | Wife | School Supply | Scotland |
| 52 | Alfred La Bonte | 45 | Head | Railroad | Canada-Fre |
| 53 | Marie X La Bonte | 43 | Wife | 0 | Canada-Fre |
| 54 | Raymond La Bonte | 20 | Son | — | New Hampshire |
| 55 | Lillian La Bonte | 18 | Daughter | — | New Hampshire |
| 56 | Ernest La Bonte | 15 | Son | — | Massachusetts |
| 57 | Leo La Bonte | 11 | Son | — | Massachusetts |
| 58 | Beginning Block 500 | None | — | — | — |
| 59 | John Raddy | 65 | Head | — | Massachusetts |
| 60 | Margaret X Raddy | 61 | Wife | 0 | Eire |
| 61 | John K. Raddy | 27 | Son | — | Massachusetts |
| 62 | Herbert R. Raddy | 24 | Son | — | Massachusetts |
| 63 | Dorothy Raddy | 25 | Daughter | Shoe Shop | Massachusetts |
| 64 | Leila|Leiland H. Raddy | 25 | Daughter | — | Massachusetts |
| 65 | Margaret Raddy | 4 | Granddaughter | — | Massachusetts |
| 66 | Beginning Block 499 | None | — | — | — |
| 67 | Anthony Espinola | 32 | Head | Tannery | Massachusetts |
| 68 | Christina Espinola | 27 | Wife | — | Massachusetts |
| 69 | Anthony Espinola | 5 | Son | — | Massachusetts |
| 70 | Robert Espinola | 3 | Son | — | Massachusetts |
| 71 | John Watts | 39 | Head | Automobiles | Massachusetts |
| 72 | Anna X Watts | 34 | Wife | — | Massachusetts |
| 73 | Franklin Watts | 13 | Son | — | Massachusetts |
| 74 | George E. Watts | 11 | Son | — | Massachusetts |
| 75 | John F. Watts THIS PERSON | 10 | Son | — | Massachusetts |
| 76 | Robert S. Watts | 9 | Son | — | Massachusetts |
| 77 | Barbara Watts | 5 | Daughter | — | Massachusetts |
| 78 | Barbara Colquhoun | 57 | Mother-in-law | 0 | Scotland |
| 79 | Thomas Tihneral | 65 | Head | Pw | Eire |
| 80 | Mary X Tihneral | 62 | Wife | — | 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)