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Catherine Kelley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Catherine Kelley across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 8-person household.
Age 54
b. ~1886
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Lexington |
| Est. Birth Year | ~1886 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| Rita Kelley | Daughter | — | 21 | ~1919 |
| William Kelley | Son | — | 23 | ~1917 |
| Pauline Kelley | Daughter | — | 27 | ~1913 |
| Thomas Kelley | Head | — | 64 | ~1876 |
| Anna Kelley | Daughter | — | 17 | ~1923 |
| Catherine Kelley | Spouse | — | 54 | ~1886 |
| John Kelley | Son | — | 25 | ~1915 |
| Bernard Kelley | Son | — | 17 | ~1923 |
Census Appearances
1930
Norfolk, Massachusetts
Other, age 44
Norfolk, Massachusetts · implied b. ~1886 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Irish Free State |
| Naturalization Status | Alien |
| Year of Immigration | 1923 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Middlesex-County, Massachusetts
Spouse, age 54
Middlesex-County, Massachusetts · implied b. ~1886 — 8 household members
| Surname | Kelley |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | irish free state |
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
Spouse · 1940 · age 54 · b. ~1886 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01607-00482)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marrago | None | — | — | — |
| 2 | David H Eaton | 32 | Head | Clerk | Massachusetts |
| 3 | Christine D Eaton | 31 | Wife | — | Massachusetts |
| 4 | Genevieve Eaton | 64 | Mother | — | Massachusetts |
| 5 | John J Burch | 56 | Head | Real Estate Agent | Nebraska |
| 6 | Bertha Burch | 55 | Wife | — | Vermont |
| 7 | Adelaide Burch | 27 | Daughter | — | Illinois |
| 8 | Elizabeth Burch | 23 | Daughter | Teacher | Illinois |
| 9 | Jessie E H Brown | 75 | Head | — | Virginia |
| 10 | Ida H Nightengale | 79 | Sister | — | Virginia |
| 11 | Robert M Bruce | 32 | Head | Yeoman | Massachusetts |
| 12 | Florence M Bruce | 42 | Wife | — | Massachusetts |
| 13 | Florence Mason | 84 | Mother-in-law | — | Rhode Island |
| 14 | Thomas Kelley | 64 | Head | Engineer | Irish Free State |
| 15 | Catherine Kelley THIS PERSON | 54 | Wife | — | Irish Free State |
| 16 | Pauline Kelley | 27 | Daughter | Secretary | Massachusetts |
| 17 | John J Kelley | 25 | Son | Truck Driver | Massachusetts |
| 18 | William M Kelley | 23 | Son | Truck Driver | Massachusetts |
| 19 | Rita A Kelley | 21 | Daughter | Trainee | Massachusetts |
| 20 | Bernard J Kelley | 17 | Son | — | Massachusetts |
| 21 | Anna E Kelley | 17 | Daughter | — | Massachusetts |
| 22 | Russell P Nash | 26 | Head | Florist | Massachusetts |
| 23 | Lillian Nash | 22 | Wife | — | Michigan |
| 24 | Russell P Jr Nash | 3 | Son | — | Massachusetts |
| 25 | Gerald J Nash | 1 | Son | — | Massachusetts |
| 26 | Robert Morison | 65 | Head | — | England |
| 27 | Marion E Morison | 42 | Daughter | — | Rhode Island |
| 28 | Arthur E Kulakowski | 54 | Head | Laborer | New Hampshire |
| 29 | Alice Kulakowski | 43 | Wife | — | Vermont |
| 30 | Herbert E Kulakowski | 21 | Son | Florist | Massachusetts |
| 31 | Daniel J Kulakowski | 16 | Son | — | Massachusetts |
| 32 | William E Hederman | 26 | Son-in-law | Mechanic | Massachusetts |
| 33 | Hazel Hederman | 22 | Daughter | — | Massachusetts |
| 34 | William E Jr Hederman | 1 | Grandson | — | Massachusetts |
| 35 | George H Bailey | 50 | Head | Farmer | Massachusetts |
| 36 | Josephine Bailey | 50 | Wife | — | Canada-English |
| 37 | Caroline M Limon | 65 | Lodger | — | Massachusetts |
| 38 | Mary A Merrill | 42 | Head | Farmer | Northern Ireland |
| 39 | John Merrill | 25 | Son | Farmer | Massachusetts |
| 40 | Lester Gibbs | 53 | Lodger | Farmer | Maine |
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)