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Catherine Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Catherine Kelly across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & James — first a daughter (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Stenographer |
| Industry | T. G. U. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 99 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Boston City |
| Est. Birth Year | ~1920 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Catherine Kelly | Daughter | — | 20 | ~1920 |
| James Kelly | Head | — | 58 | ~1882 |
| Michael Kelly | Son | — | 23 | ~1917 |
| Mary Kelly | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Suffolk, Massachusetts
Other, age
Suffolk, Massachusetts · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Child |
| 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 |
1930
Suffolk, Massachusetts
Daughter, age 10
Suffolk, Massachusetts · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 20
Suffolk-County, Massachusetts · implied b. ~1920 — 4 household members
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Stenographer |
| Industry | T. G. U. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 99 |
| Highest Grade | H 4 |
| 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 Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Kelly (~0.92 confidence) and father James Kelly (~0.92 confidence) and father James Kelly (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Kelly
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
James Kelly
b. ~1882
Source father
● Household
· direct · ~0.92
Father
James Kelly
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Catherine Kelly
Daughter · 1940 · age 20 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Michael Kelly
Sibling · 1940 · age 23
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-t0627-01669-00261)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Kilduff | 60 | Sister | Sewer | Eire |
| 2 | Costas Dimitrakas | 49 | Head | Counter-Man | Turkey |
| 3 | Mary Dimitrakas | 38 | Wife | — | Turkey |
| 4 | John Dimitrakas | 16 | Son | — | Massachusetts |
| 5 | Marion Dimitrakas | 12 | Son | — | Massachusetts |
| 6 | George Dimitrakas | 11 | Son | — | Massachusetts |
| 7 | Helen Dimitrakas | 5 | Daughter | — | Massachusetts |
| 8 | Michael Mccarthy | 64 | Head | — | Eire |
| 9 | Mary Mccarthy | 56 | Wife | House Cleaner | Eire |
| 10 | Jeremiah Mccarthy | 22 | Son | Oiler | Massachusetts |
| 11 | Catherine Mccarthy | 21 | Daughter | Packer | Massachusetts |
| 12 | Margaret Mccarthy | 19 | Daughter | Cashier | Massachusetts |
| 13 | Harry V. Race | 71 | Head | — | England |
| 14 | Harriett G. Race | 65 | Wife | — | West Indies |
| 15 | Edward J. Race | 17 | Grandson | Clerk, Stock | Massachusetts |
| 16 | Pauline F. Race | 14 | Granddaughter | — | Massachusetts |
| 17 | Alfred C. Race | 13 | Grandson | — | Massachusetts |
| 18 | Michael Greene | 53 | Head | Watchman | Massachusetts |
| 19 | Mary Greene | 51 | Wife | — | Massachusetts |
| 20 | Patricia Greene | 12 | Daughter | — | Massachusetts |
| 21 | William Greene | 43 | Brother | Gardner | Massachusetts |
| 22 | Andrew J. Traynor | 31 | Head | Laborer | Massachusetts |
| 23 | Helen Traynor | 31 | Wife | — | Massachusetts |
| 24 | James Kelly | 58 | Head | Laborer | Eire |
| 25 | Mary Kelly | 61 | Wife | — | Eire |
| 26 | Michael Kelly | 23 | Son | Grocery Clerk | Massachusetts |
| 27 | Catherine Kelly THIS PERSON | 20 | Daughter | Stenographer | Massachusetts |
| 28 | Edward Mulligan | 45 | Head | Truck Driver | Massachusetts |
| 29 | Helen Mulligan | 42 | Wife | — | South Ireland |
| 30 | Edward Mulligan | 8 | Son | — | Massachusetts |
| 31 | Patricia Mulligan | 7 | Daughter | — | Massachusetts |
| 32 | Alice Mulligan | 79 | Mother | — | South Ireland |
| 33 | Thomas Linehan | 68 | Head | Bartender | Mass |
| 34 | Mary Linehan | 66 | Wife | — | Mass |
| 35 | Mark Sullivan | 64 | Head | Clergyman | New York |
| 36 | Edward S. Sullivan | 41 | Curate | Clergyman | Boston, Mass |
| 37 | Alfred C. Sheehan | 42 | Curate | Clergyman | Mass |
| 38 | Elizabeth M. Sullivan | 67 | Lodger | Cook | Ireland |
| 39 | Anna Crowley | 48 | Lodger | Maid | Maine |
| 40 | William Donelen | 52 | Head | Janitor | Ireland |
Pedigree Summary
Catherine + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)