FK
Francis Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Francis Kelly across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 9-person household.
Age 40
b. ~1900
Male
Son
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Kelly |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1900 |
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 Francis | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Kelly | Daughter | — | 29 | ~1911 |
| Francis Kelly | Son | — | 40 | ~1900 |
| Julia Kelly | Daughter | — | 41 | ~1899 |
| Rita Kelly | Daughter | — | 25 | ~1915 |
| Ellen Kelly | Spouse | — | 70 | ~1870 |
| Anna Kelly | Daughter | — | 37 | ~1903 |
| Ellen Kelly | Daughter | — | 34 | ~1906 |
| Margaret Kelly | Daughter | — | 33 | ~1907 |
| Michael Kelly | Head | — | 72 | ~1868 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 29
Middlesex, Massachusetts · implied b. ~1901 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Francis L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | Gardener |
| Industry | Private Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Middlesex-County, Massachusetts
Son, age 40
Middlesex-County, Massachusetts · implied b. ~1900 — 9 household members
| Surname | Kelly |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Francis Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Kelly
Son · 1940 · age 40 · b. ~1900 · Massachusetts
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Sibling
Rita Kelly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Kelly
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Kelly
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Kelly
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kelly
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Kelly
Sibling · 1940 · age 29
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 — 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-t0627-01686-00349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick Murphy | 51 | Head | Chauffeur | Mass |
| 2 | Theresa Murphy | 49 | Wife | — | Mass |
| 3 | Mary L. Murphy | 14 | Daughter | — | Mass |
| 4 | Thomas Murphy | 11 | Son | — | Mass |
| 5 | Rose O. O'Brien | 41 | Head | Housewife | New Hampshire |
| 6 | Margaret O'Brien | 16 | Daughter | — | Mass |
| 7 | Helen O'Brien | 15 | Daughter | — | Mass |
| 8 | Alice O'Brien | 12 | Daughter | — | Mass |
| 9 | Elizabeth O'Brien | 10 | Daughter | — | Mass |
| 10 | John Riley | 75 | Father | — | Irish Free State |
| 11 | Margaret Riley | 44 | Sister | 35 Nipper | New Hampshire |
| 12 | Edward J. Clever | 56 | Head | Laborer | Mass |
| 13 | Josephine Clever | 57 | Wife | Housewife | Mass |
| 14 | Dorothy Sharkey | 31 | Daughter | Housewife | Mass |
| 15 | Miriam Sharkey | 15 | Daughter | — | Mass |
| 16 | George Sharkey | 13 | Son | — | Mass |
| 17 | Dorothy Sharkey | 11 | Daughter | — | Mass |
| 18 | Alma Wilson | 52 | Head | Housewife | Mass |
| 19 | Thomas Wilson | 55 | Son | Painter | Canada English |
| 20 | Alma Wilson | 23 | Daughter | Waitress | Mass |
| 21 | Thomas Wilson | 19 | Son | — | Mass |
| 22 | Lawrence Wilson | 25 | Son | Painter | Mass |
| 23 | Dorothy Wilson | 21 | Daughter | Housewife | Mass |
| 24 | Allan X. Wilson | 0 | Grandson | — | Mass |
| 25 | Charles Kevorkian | 53 | Lodger | Clerk | Armenia |
| 26 | James J. Catterall | 51 | Head | Mechanic | Mass |
| 27 | Mary Catterall | 81 | Mother | Housewife | Scotland |
| 28 | Esther Brownell | 48 | Head | Housewife | Mass |
| 29 | John Baer | 56 | Lodger | Brakeman | Mass |
| 30 | Michael J. Kelly | 72 | Head | Watchman | Irish Free State |
| 31 | Ellen M. Kelly | 70 | Wife | Housewife | Rhode Island |
| 32 | Julia Kelly | 41 | Daughter | Clerk | Rhode Island |
| 33 | Francis Kelly THIS PERSON | 40 | Son | — | Rhode Island |
| 34 | Anna I. Kelly | 37 | Daughter | Clerk | Rhode Island |
| 35 | Ellen A. Kelly | 34 | Daughter | Clerk | Rhode Island |
| 36 | Margaret V. Kelly | 33 | Daughter | Nurse | Rhode Island |
| 37 | Gertrude Kelly | 29 | Daughter | Housework | Rhode Island |
| 38 | Rita Kelly | 25 | Daughter | Clerk | Rhode Island |
| 39 | Arthur Buckland | 68 | Head | — | Mass |
| 40 | Marie Buckland | 55 | Wife | Housewife | Mass |
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)