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Catherine Kelley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Catherine Kelley across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Rosemary Kelley | Daughter | — | 13 | ~1927 |
| Helen Kelley | Daughter | — | 10 | ~1930 |
| Martin Kelley | Head | — | 44 | ~1896 |
| Michael Kelley | Son | — | 5 | ~1935 |
| Patricia Kelley | Daughter | — | 7 | ~1933 |
| Christine Kelley | Daughter | — | 9 | ~1931 |
| William Kelley | Son | — | 20 | ~1920 |
| Catherine Kelley | Daughter | — | 14 | ~1926 |
| Martin Kelley | Son | — | 17 | ~1923 |
| Julia Kelley | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 3
Suffolk, Massachusetts · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 14
Suffolk-County, Massachusetts · implied b. ~1926 — 10 household members
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Highest Grade | No 8 |
| 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 Catherine Kelley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Kelley
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
Christine Kelley
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Kelley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Kelley
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Kelley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Kelley
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kelley
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kelley
Sibling · 1940 · age 20
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-t0627-01664-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josephine Vadaikas | 32 | Wife | — | New York |
| 42 | Austin Wambolt | 38 | Head | Laborer | Canada English |
| 43 | Dorothy Wambolt | 32 | Wife | — | Massachusetts |
| 44 | Austin Jr. Wambolt | 13 | Son | — | Massachusetts |
| 45 | William Wambolt | 9 | Son | — | Massachusetts |
| 46 | Donald Wambolt | 6 | Son | — | Massachusetts |
| 47 | George Wambolt | 3 | Son | — | Massachusetts |
| 48 | John H. Mackie | 35 | Head | Laborer | England |
| 49 | Mary Mackie | 31 | Wife | — | Massachusetts |
| 50 | Marie Mackie | 12 | Daughter | — | Massachusetts |
| 51 | Mildred Mackie | 11 | Daughter | — | Massachusetts |
| 52 | John Mackie | 6 | Son | — | Massachusetts |
| 53 | William Mackie | 5 | Son | — | Massachusetts |
| 54 | Eleanor Mackie | 1 | Daughter | — | Massachusetts |
| 55 | Martin Kelley | 44 | Head | — | Eire |
| 56 | Julia Kelley | 44 | Wife | — | Eire |
| 57 | William Kelley | 20 | Son | Machine Operator | Massachusetts |
| 58 | Martin Jr. Kelley | 17 | Son | Laborer | Massachusetts |
| 59 | Catherine Kelley THIS PERSON | 14 | Daughter | — | Massachusetts |
| 60 | Rosemary Kelley | 13 | Daughter | — | Massachusetts |
| 61 | Helen Kelley | 10 | Daughter | — | Massachusetts |
| 62 | Christine Kelley | 9 | Daughter | — | Massachusetts |
| 63 | Patricia Kelley | 7 | Daughter | — | Massachusetts |
| 64 | Michael Kelley | 5 | Son | — | Massachusetts |
| 65 | Thomas King | 50 | Head | Rail Repairman | Eire |
| 66 | Mary King | 45 | Wife | — | Eire |
| 67 | Mary King | 16 | Daughter | — | Massachusetts |
| 68 | Anna King | 14 | Daughter | — | Massachusetts |
| 69 | Margaret King | 12 | Daughter | — | Massachusetts |
| 70 | Thomas King | 10 | Son | — | Massachusetts |
| 71 | George Boyle | 34 | Head | Junior Recreational Leader | Massachusetts |
| 72 | Sarah Boyle | 60 | Mother | — | Eire |
| 73 | Walter Novicki | 38 | Head | Storeroom Waiter | Massachusetts |
| 74 | Anna Novicki | 32 | Wife | — | Massachusetts |
| 75 | Ruth Novicki | 8 | Daughter | — | Massachusetts |
| 76 | Patricia Novicki | 4 | Daughter | — | Massachusetts |
| 77 | Eleanor Novicki | 2 | Daughter | — | Massachusetts |
| 78 | Edward Novicki | 66 | Father | — | Lithuania |
| 79 | Grace Powell | 55 | Head | — | Lithuania |
| 80 | John Golt | 24 | Son | Metal Worker | 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)