FK
Francis Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Francis Kelly across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Frank & Ellen — first a son (b.~1902), then head of a 7-person household.
Age 38
b. ~1902
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelly |
| Given Name | Francis M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Social Worker |
| Industry | Nat. of Mass. Dept. of Pub. Welfare |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Social Worker |
| Township / Ward | Boston City |
| Est. Birth Year | ~1902 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Francis Kelly | Son | — | 38 | ~1902 |
| Thomas Kelly | Son | — | 39 | ~1901 |
| James Kelly | Son | — | 35 | ~1905 |
| Joseph Kelly | Son | — | 36 | ~1904 |
| Charles Kelly | Son | — | 33 | ~1907 |
| Ellen Kelly | Head | — | 66 | ~1874 |
| Edward Kelly | Son | — | 27 | ~1913 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 18
Suffolk, Massachusetts · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Francis R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Shipper |
| Industry | Wholesale Clothing |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 28
Suffolk, Massachusetts · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Francis A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Chauffeur |
| Industry | Trucking |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 38
Suffolk-County, Massachusetts · implied b. ~1902 — 7 household members
| Surname | Kelly |
| Given Name | Francis M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Social Worker |
| Industry | Nat. of Mass. Dept. of Pub. Welfare |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Francis Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Kelly (~0.92 confidence) and mother Ellen Kelly (~0.92 confidence) and mother Mary Kelly (~0.92 confidence) and mother Ella Kelley (~0.92 confidence) and father Nathan Kelley (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Kelly
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Ellen Kelly
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Mary Kelly
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Ella Kelley
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Nathan Kelley
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Francis Kelly
Son · 1940 · age 38 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
James Kelly
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Kelly
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kelly
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kelly
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kelly
Sibling · 1940 · age 36
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-t0627-01682-00658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Sheehy | 30 | Sister in law | Waitress | Massachusetts |
| 42 | Patrick E. Carroll | 45 | Head | Police Officer | Massachusetts |
| 43 | Mary H. Carroll | 35 | Wife | — | Montana |
| 44 | T. Leo Loughran | 56 | Head | Salesman | Canada English |
| 45 | K. Estelle Loughran | 56 | Wife | — | Canada English |
| 46 | Mary E. Loughran | 26 | Daughter | Stenographer | Massachusetts |
| 47 | George Loughran | 24 | Son | Postal Clerk | Massachusetts |
| 48 | Constance Loughran | 22 | Daughter | — | Massachusetts |
| 49 | Mary L. O'Connor | 29 | Head | Housekeeper | Massachusetts |
| 50 | Helen M. O'Connor | 27 | Sister | Teacher | Massachusetts |
| 51 | Grace V. O'Connor | 25 | Sister | Stenographer | Massachusetts |
| 52 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 53 | Albert J. Welch | 39 | Head | Veterinarian | Massachusetts |
| 54 | Eleanor M. Welch | 38 | Wife | — | Pennsylvania |
| 55 | Albert J. Jr. Welch | 13 | Son | — | Massachusetts |
| 56 | John E. Welch | 11 | Son | — | Massachusetts |
| 57 | Eleanor M. Welch | 9 | Daughter | — | Massachusetts |
| 58 | Mary Louise Welch | 5 | Daughter | — | Massachusetts |
| 59 | Leo V. O'Halloran | 45 | Head | School Teacher | Massachusetts |
| 60 | Agnes M. O'Halloran | 43 | Wife | — | Massachusetts |
| 61 | Dorothy O'Halloran | 7 | Daughter | — | Massachusetts |
| 62 | Lawrence Perlmutter | 35 | Head | Dentist | Massachusetts |
| 63 | Edna Perlmutter | 32 | Wife | — | Russia |
| 64 | Carl Perlmutter | 0 | Son | — | Massachusetts |
| 65 | Charles B. Lynch | 51 | Head | Captain | Massachusetts |
| 66 | Mary C. Lynch | 50 | Wife | — | Massachusetts |
| 67 | George M. Lynch | 22 | Son | — | Massachusetts |
| 68 | George L. Manning | 55 | Uncle | Customs Guard | Massachusetts |
| 69 | Thomas H. Egan | 58 | Brother in law | Electrician | Massachusetts |
| 70 | John J. Manning | 59 | Uncle | Chauffeur | Massachusetts |
| 71 | Ellen B. Kelly | 66 | Head | — | Irish Free State |
| 72 | Thomas Kelly | 39 | Son | Stage Hand | Massachusetts |
| 73 | Francis M. Kelly THIS PERSON | 38 | Son | Social Worker | Massachusetts |
| 74 | Joseph J. Kelly | 36 | Son | Registrar | Massachusetts |
| 75 | James E. Kelly | 35 | Son | Accountant | Massachusetts |
| 76 | Charles P. J. Kelly | 33 | Son | Lawyer | Massachusetts |
| 77 | Edward W. Kelly | 27 | Son | School Teacher | Massachusetts |
| 78 | Annie L. Kelley | 45 | Head | — | Massachusetts |
| 79 | Celia A. Kelley | 42 | Sister | Book Keeper | Massachusetts |
| 80 | Catherine F. Kelley | 40 | Sister | Book Keeper | Massachusetts |
Pedigree Summary
Francis + 5 siblings
Gen 1 · 5 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)