RK
Ruth Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Ruth Kelly across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelly |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | BOSTON City |
| 1935 Residence (County) | SUFFOLK |
| Additional Details | |
| Highest Grade | 2 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| 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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Kelly | Spouse | — | 35 | ~1905 |
| Thomas Kelly | Son | — | 3 | ~1937 |
| Leona Kelly | Daughter | — | 13 | ~1927 |
| James Kelly | Son | — | 5 | ~1935 |
| Ruth Kelly | Daughter | — | 10 | ~1930 |
| Leo Kelly | Son | — | 12 | ~1928 |
| Albert Kelly | Son | — | 8 | ~1932 |
| Thomas Kelly | Head | — | 42 | ~1898 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age
Suffolk, Massachusetts · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| 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
Daughter, age 10
Suffolk-County, Massachusetts · implied b. ~1930 — 8 household members
| Surname | Kelly |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | BOSTON City |
| 1935 Residence (County) | SUFFOLK |
| Highest Grade | 2 |
| 1935 Residence | Same House |
| 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 Ruth Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Kelly
Daughter · 1940 · age 10 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
Albert Kelly
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kelly
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leona Kelly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Kelly
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kelly
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
40 people indexed on this census page (nara:1940:m-t0627-01682-00286)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Davis | 22 | Daughter | Marking | Massachusetts |
| 2 | Edward Davis | 17 | Son | Filing Clerk | Massachusetts |
| 3 | Robert Summerhayes | 56 | Head | — | Canada |
| 4 | Helen Summerhayes | 54 | Wife | — | Massachusetts |
| 5 | Edmund Summerhayes | 23 | Son | Chauffeur | Massachusetts |
| 6 | Robert Summerhayes | 19 | Son | Laborer | Massachusetts |
| 7 | Richard Summerhayes | 17 | Son | New Worker | Massachusetts |
| 8 | Thomas Kelly | 42 | Head | Painter | Massachusetts |
| 9 | Ruth Kelly | 35 | Wife | — | Massachusetts |
| 10 | Leona Kelly | 13 | Daughter | — | Massachusetts |
| 11 | Leo Kelly | 12 | Son | — | Massachusetts |
| 12 | Ruth Kelly THIS PERSON | 10 | Daughter | — | Massachusetts |
| 13 | Albert Kelly | 8 | Son | — | Massachusetts |
| 14 | James Kelly | 5 | Son | — | Massachusetts |
| 15 | Thomas Kelly | 3 | Son | — | Massachusetts |
| 16 | John C. Davis | 56 | Head | Mechanic | England |
| 17 | Ella Davis | 53 | Wife | Box Maker | Canada |
| 18 | John Davis | 29 | Son | Helper Truck | Massachusetts |
| 19 | Georgetta Davis | 20 | Daughter | Gum Wrapper | Massachusetts |
| 20 | Marion Davis | 17 | Daughter | — | Massachusetts |
| 21 | Albert Carmichael | 58 | Head | Janitor | Canada |
| 22 | Regina Carmichael | 55 | Wife | — | Canada |
| 23 | James Carmichael | 26 | Son | Shipper | Massachusetts |
| 24 | Edward Mclaughlin | 33 | Head | Laborer | Ireland |
| 25 | Anna Mclaughlin | 35 | Wife | — | Ireland |
| 26 | Francis Mclaughlin | 11 | Son | — | Massachusetts |
| 27 | Anna Mclaughlin | 9 | Daughter | — | Massachusetts |
| 28 | Margret Mclaughlin | 8 | Daughter | — | Massachusetts |
| 29 | Dorothy Mclaughlin | 7 | Daughter | — | Massachusetts |
| 30 | Kathaleen Mclaughlin | 3 | Daughter | — | Massachusetts |
| 31 | Evelyn Pennington | 48 | Head | Hat Maker | Massachusetts |
| 32 | Alexander Babiez | 30 | Head | Cleaner | Massachusetts |
| 33 | Carolyn Babiez | 24 | Wife | — | Massachusetts |
| 34 | Edmund Babiez | 0 | Son | — | Massachusetts |
| 35 | Ann Kudesza | 26 | Lodger | Bus Girl | Massachusetts |
| 36 | Stanislow Dulski | 49 | Head | Bar Tender | Poland |
| 37 | Anna Dulski | 48 | Wife | — | Poland |
| 38 | Alice Dulski | 19 | Daughter | Counter Girl | Massachusetts |
| 39 | Thaddeus Dulski | 7 | Son | — | Massachusetts |
| 40 | Henry Lee | 62 | Head | — | 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)