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Walter Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Walter Kelly across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelly |
| Given Name | Walter J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S-8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Helen Kelly | Spouse | — | 26 | ~1914 |
| Walter Kelly | Head | — | 42 | ~1898 |
| Paul Kelly | Son | — | 11 | ~1929 |
| Walter Kelly | Son | — | 15 | ~1925 |
| Genevieve Kelly | Daughter | — | 4 | ~1936 |
| Edward Kelly | Son | — | 9 | ~1931 |
| John Kelly | Son | — | 14 | ~1926 |
| Gertrude Kelly | Daughter | — | ~1940 | |
| Kevin Kelly | Son | — | 10 | ~1930 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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
Son, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 9 household members
| Surname | Kelly |
| Given Name | Walter J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | S-8 |
| 1935 Residence | Massachusetts |
| 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 Walter Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Walter Kelly
Son · 1940 · age 15 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
Kevin Kelly
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Kelly
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kelly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Kelly
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Kelly
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kelly
Sibling · 1940 · age 14
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-t0627-01682-00460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Sullivan | 46 | Wife | — | Massachusetts |
| 2 | Helen F. Dargan | 48 | Lodger | Operator | Massachusetts |
| 3 | Thomas Dillon | 31 | Lodger | Manager | Massachusetts |
| 4 | Walter R. Kelly | 42 | Head | Houseman | Massachusetts |
| 5 | Helen A. Kelly | 26 | Wife | — | Massachusetts |
| 6 | Walter J. Kelly THIS PERSON | 15 | Son | — | Massachusetts |
| 7 | John M. Kelly | 14 | Son | — | Massachusetts |
| 8 | Paul J. Kelly | 11 | Son | — | Massachusetts |
| 9 | Kevin C. Kelly | 10 | Son | — | Massachusetts |
| 10 | Edward B. Kelly | 9 | Son | — | Massachusetts |
| 11 | Genevieve H. Kelly | 4 | Daughter | — | Massachusetts |
| 12 | Gertrude M. Kelly | 0 | Daughter | — | Massachusetts |
| 13 | William Brown | 63 | Head | Operator | Massachusetts |
| 14 | Mary Brown | 66 | Wife | — | Canada-English |
| 15 | Harriet Brown | 23 | Daughter | Clerk | Massachusetts |
| 16 | Ruth Tinkham | 15 | Lodger | — | Massachusetts |
| 17 | Catherine Le Bree | 67 | Sister-in-law | — | Canada-English |
| 18 | Michael Kennedy | 40 | Head | Laborer | Irish Free State |
| 19 | Mary Kennedy | 38 | Wife | — | Irish Free State |
| 20 | Joseph Kennedy | 8 | Son | — | Massachusetts |
| 21 | Maurice Kennedy | 7 | Son | — | Massachusetts |
| 22 | Catherine Kennedy | 5 | Daughter | — | Massachusetts |
| 23 | James Kennedy | 2 | Son | — | Massachusetts |
| 24 | Elizabeth Kennedy | 0 | Daughter | — | Massachusetts |
| 25 | Maurice O'Connor | 79 | Father-in-law | Iceman | Irish Free State |
| 26 | John P. Doherty | 56 | Head | — | Massachusetts |
| 27 | Rose Doherty | 57 | Wife | — | New York |
| 28 | Mary E. Doherty | 27 | Daughter | — | Massachusetts |
| 29 | Catherine E. Doherty | 20 | Daughter | Switch Board Operator | Massachusetts |
| 30 | Catherine F. Joyce | 52 | Lodger | Housework | Irish Free State |
| 31 | Paul Libianni | 36 | Head | Contractor | Massachusetts |
| 32 | Rose Libianni | 24 | Wife | — | Massachusetts |
| 33 | Michael Carney | 43 | Head | Chauffeur | Irish Free State |
| 34 | Catherine Carney | 36 | Wife | — | Irish Free State |
| 35 | Joseph Carney | 9 | Son | — | Massachusetts |
| 36 | Peter Carney | 1 | Son | — | Massachusetts |
| 37 | John Donnal | 56 | Head | Mechanic | Irish Free State |
| 38 | Catherine Donnal | 56 | Wife | — | Irish Free State |
| 39 | John G. Donnal | 20 | Son | — | Massachusetts |
| 40 | Richard V. Donnal | 18 | Son | — | 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)