JL
John Lennon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Lennon across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Lennon |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | No 6 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| John Lennon | Son | — | 13 | ~1927 |
| Rita Lennon | Daughter | — | 5 | ~1935 |
| John Lennon | Head | — | 39 | ~1901 |
| Elizabeth Lennon | Daughter | — | 3 | ~1937 |
| Frances Lennon | Spouse | — | 38 | ~1902 |
| Michael Lennon | Son | — | 9 | ~1931 |
| Frances Lennon | Daughter | — | 12 | ~1928 |
| Thomas Lennon | Son | — | 1 | ~1939 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lennon |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 13
Suffolk-County, Massachusetts · implied b. ~1927 — 8 household members
| Surname | Lennon |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Highest Grade | No 6 |
| 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 Lennon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lennon
Son · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Thomas Lennon
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Lennon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Lennon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Lennon
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Lennon
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01678-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arthur Conti | 0 | Son | — | Massachusetts |
| 42 | Frances Ventola | 21 | Head | Laborer | Massachusetts |
| 43 | Mary C. Q. Ventola | 28 | Wife | — | Massachusetts |
| 44 | Catherine Ventola | 3 | Daughter | — | Massachusetts |
| 45 | Alfred E. Ventola | 34 | Head | Oil Business | Massachusetts |
| 46 | Caroline F. Ventola | 36 | Wife | Cat Business | Massachusetts |
| 47 | Alfred Ventola | 7 | Son | — | Massachusetts |
| 48 | Edwin Ventola | 4 | Son | — | Massachusetts |
| 49 | Pauline Ventola | 3 | Daughter | — | Massachusetts |
| 50 | John Lennon | 39 | Head | Chauffeur | Massachusetts |
| 51 | Frances Lennon | 38 | Wife | — | Massachusetts |
| 52 | John Lennon THIS PERSON | 13 | Son | — | Massachusetts |
| 53 | Frances Lennon | 12 | Daughter | — | Massachusetts |
| 54 | Michael Lennon | 9 | Son | — | Massachusetts |
| 55 | Rita Lennon | 5 | Daughter | — | Massachusetts |
| 56 | Elizabeth Lennon | 3 | Daughter | — | Massachusetts |
| 57 | Thomas Lennon | 1 | Son | — | Massachusetts |
| 59 | Winifred Q. Wilkins | 49 | Head | — | Scotland |
| 60 | Douglas Wilkins | 15 | Son | — | Massachusetts |
| 61 | Audrey Wilkins | 4 | Daughter | — | Massachusetts |
| 62 | Lenora G. Cote | 25 | Head | — | Eire |
| 63 | George Cote | 5 | Son | — | Massachusetts |
| 64 | George Borowski | 14 | Son | — | Mass. |
| 65 | Richard Mcadams | 38 | Head | Trucking Concern | Canada |
| 66 | Rita Mcadams | 41 | Wife | — | Mass. |
| 67 | James Mcadams | 15 | Son | — | Mass. |
| 68 | George Mcadams | 11 | Son | — | Mass. |
| 69 | Louis Laubier | 38 | Head | Blouse Machine | France |
| 70 | Josephine Laubier | 27 | Wife | — | Mass. |
| 71 | Rita Laubier | 15 | Daughter | — | Canada |
| 72 | Arnold Laubier | 14 | Son | — | Mass. |
| 73 | Louis Jr. Laubier | 12 | Son | — | Mass. |
| 74 | Mitchel Grabrow | 28 | Head | — | Rhode Island |
| 75 | Marion Grabrow | 25 | Wife | Same Place | Rhode Island |
| 76 | Elliot Grabrow | 7 | Son | Same Place | Rhode Island |
| 77 | John Grabrow | 5 | Son | Same Place | Rhode Island |
| 78 | Clayton Everett | 20 | Brother-in-law | Same Place | Rhode Island |
| 79 | Cyril Pillard | 42 | Head | Laborer | Connecticut |
| 80 | Nora Pillard | 39 | Wife | — | Massachusetts |
Related Census Records
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)