MK
Margaret Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Kelly across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 9-person household.
Age 50
b. ~1890
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelly |
| Given Name | Margaret A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Boston |
| 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.
9 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 |
| Catherine Kelly | Daughter | — | 22 | ~1918 |
| Ann Kelly | Daughter | — | 15 | ~1925 |
| Francis Kelly | Head | — | 54 | ~1886 |
| Edmund Kelly | Son | — | 12 | ~1928 |
| Martin Kelly | Son | — | 20 | ~1920 |
| Leo Kelly | Son | — | 24 | ~1916 |
| Paul Kelly | Son | — | 17 | ~1923 |
| Margaret Kelly | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 42
Suffolk, Massachusetts · implied b. ~1888 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| 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
Suffolk-County, Massachusetts
Spouse, age 50
Suffolk-County, Massachusetts · implied b. ~1890 — 9 household members
| Surname | Kelly |
| Given Name | Margaret A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Margaret Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01682-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Mckinney | 5 | Son | — | Massachusetts |
| 42 | Thomas Mckinney | 7 | Son | — | Massachusetts |
| 43 | Ella R Mckinney | 61 | Head | — | Northern Ireland |
| 44 | Margaret Corton | 34 | Cousin | Teacher | Massachusetts |
| 45 | Francis B Mckinney | 64 | Brother-in-law | Election Comm | Massachusetts |
| 46 | Joseph C Mckinney | 25 | Nephew | Telephone | Massachusetts |
| 47 | Mary Mckinney | 23 | Wife | — | Massachusetts |
| 48 | Ellen Mckinney | 1 | Daughter | — | Massachusetts |
| 49 | Joseph C Mckinney | 0 | Grandson | — | Massachusetts |
| 50 | Thomas B Jr Mckinney | 29 | Nephew | Salesman | Massachusetts |
| 51 | William J Mckinney | 35 | Nephew | Stock Salesman | Massachusetts |
| 53 | Gertrude C Thompson | 70 | Head | — | Ohio |
| 54 | Cornelius Buckley | 38 | Head | Accountant | Irish Free State |
| 55 | Albina Buckley | 33 | Wife | — | Irish Free State |
| 56 | Cornelius E Buckley | 20 | Son | Shipper | Massachusetts |
| 57 | Mary J Buckley | 14 | Daughter | — | Massachusetts |
| 58 | Joseph K Buckley | 11 | Son | — | Massachusetts |
| 59 | Robert J Buckley | 14 | Son | — | Massachusetts |
| 60 | Paul G Buckley | 13 | Son | — | Massachusetts |
| 61 | Leo Buckley | 11 | Son | — | Massachusetts |
| 62 | David Buckley | 5 | Son | — | Massachusetts |
| 63 | Francis X Buckley | 3 | Son | — | Massachusetts |
| 64 | Francis M Kelly | 54 | Head | Bartender | Irish Free State |
| 65 | Margaret A Kelly THIS PERSON | 50 | Wife | — | Irish Free State |
| 66 | Leo M Kelly | 24 | Son | Clerk | Massachusetts |
| 67 | Catherine Kelly | 22 | Daughter | Bookkeeper | Massachusetts |
| 68 | Martin Kelly | 20 | Son | Clerk, Sales | Massachusetts |
| 69 | Paul Kelly | 17 | Son | — | Massachusetts |
| 70 | Margaret Kelly | 15 | Daughter | — | Massachusetts |
| 71 | Ann Kelly | 15 | Daughter | — | Massachusetts |
| 72 | Edmund Kelly | 12 | Son | — | Massachusetts |
| 73 | Norman Mckillop | 33 | Head | Stationary Fireman | Massachusetts |
| 74 | Ruth E Mckillop | 32 | Wife | — | Massachusetts |
| 75 | Ruth F Mckillop | 11 | Daughter | — | Massachusetts |
| 76 | Donald A Mckillop | 68 | Father | Stationary Fireman | Canada-English |
| 77 | Louise Beardmore | 48 | Housekeeper | Housekeeper | Rhode Island |
| 78 | Helen M Dowd | 59 | Head | — | Massachusetts |
| 79 | Alfred M Dowd | 30 | Son | Salesman | Massachusetts |
| 80 | Maurice Mccormack | 79 | Head | — | 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)