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Margaret Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Margaret Kelly across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 10-person household.
Age 50
b. ~1890
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Forge Village |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Forge Village |
| Est. Birth Year | ~1890 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kelly | Daughter | — | 15 | ~1925 |
| Shirley Kelly | Daughter | — | 5 | ~1935 |
| Kathleen Kelly | Daughter | — | 23 | ~1917 |
| Rita Kelly | Daughter | — | 17 | ~1923 |
| Veronica Kelly | Daughter | — | 20 | ~1920 |
| James Kelly | Head | — | 53 | ~1887 |
| Joseph Kelly | Son | — | 19 | ~1921 |
| Daniel Kelly | Son | — | 5 | ~1935 |
| Leo Kelly | Son | — | 12 | ~1928 |
| Margaret Kelly | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 39
Middlesex, Massachusetts · implied b. ~1891 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Middlesex-County, Massachusetts
Spouse, age 50
Middlesex-County, Massachusetts · implied b. ~1890 — 10 household members
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Forge Village |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Margaret Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Kelly
Spouse · 1940 · age 50 · b. ~1890 · 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-t0627-01621-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Mulligan | 74 | Head | — | England |
| 42 | May A Mulligan | 44 | Daughter | Warper | England |
| 43 | Gertrude Athorn | 55 | Head | — | England |
| 44 | Leslie Athorn | 27 | Son | Laborer | England |
| 45 | Clara F Athorn | 24 | Daughter | Checker | England |
| 46 | James Kelly | 53 | Head | Wool Sorter | England |
| 47 | Margaret Kelly THIS PERSON | 50 | Wife | — | England |
| 48 | Kathleen M Kelly | 23 | Daughter | Senior Typist | Massachusetts |
| 49 | Veronica Kelly | 20 | Daughter | Waitress | Massachusetts |
| 50 | Joseph Kelly | 19 | Son | Doffer | Massachusetts |
| 51 | Rita Kelly | 17 | Daughter | — | Massachusetts |
| 52 | Margaret Kelly | 15 | Daughter | — | Massachusetts |
| 53 | Leo Kelly | 12 | Son | — | Massachusetts |
| 54 | Daniel Kelly | 5 | Son | — | Massachusetts |
| 55 | Shirley Kelly | 5 | Daughter | — | Massachusetts |
| 56 | Francis M Delaney | 50 | Head | Carder | England |
| 57 | Madeline Delaney | 40 | Wife | — | England |
| 58 | Catherine Delaney | 14 | Daughter | — | Massachusetts |
| 59 | Francis Delaney | 11 | Son | — | Massachusetts |
| 60 | Mary Delaney | 10 | Daughter | — | Massachusetts |
| 61 | James Holmes | 43 | Head | Wool Comber | England |
| 62 | Annie Q Holmes | 42 | Wife | Spooler | England |
| 63 | James Holmes | 16 | Son | General Helper | Massachusetts |
| 64 | Thomas Holmes | 14 | Son | — | Massachusetts |
| 65 | Elizabeth Holmes | 10 | Daughter | — | Massachusetts |
| 66 | Agnes Holmes | 6 | Daughter | — | Massachusetts |
| 67 | Kevin Holmes | 1 | Son | — | Massachusetts |
| 68 | James Sr May | 54 | Head | Overseer | England |
| 69 | Alice May | 53 | Wife | — | England |
| 70 | Joseph May | 22 | Son | Carpenter | Massachusetts |
| 71 | George P Wilson | 45 | Head | Wool Sorter | Massachusetts |
| 72 | Helen N Wilson | 38 | Wife | — | Massachusetts |
| 73 | Douglas N Wilson | 9 | Son | — | Massachusetts |
| 74 | Jessie Weaver | 55 | Head | — | Ontario |
| 75 | George Weaver | 62 | Husband | Overlooker | England |
| 76 | June Weaver | 23 | Daughter | Checker | Massachusetts |
| 77 | Christobel Weaver | 22 | Daughter | — | Massachusetts |
| 78 | Hugh Daley | 82 | Head | — | Massachusetts |
| 79 | Catherine Daley | 74 | Wife | — | Canada French |
| 80 | Russel Dudevoir | 31 | Head | Drawing Hand | 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)