JC
James Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Cummings across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Cummings |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1924 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Anthony Cummings | Son | — | 14 | ~1926 |
| James Cummings | Son | — | 16 | ~1924 |
| Mary Cummings | Spouse | — | 43 | ~1897 |
| Robert Cummings | Son | — | 10 | ~1930 |
| Rosemary Cummings | Daughter | — | 7 | ~1933 |
| Martin Cummings | Son | — | 18 | ~1922 |
| Martin Cummings | Head | — | 43 | ~1897 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | James P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 7 household members
| Surname | Cummings |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| 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 James Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cummings
Son · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Rosemary Cummings
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Cummings
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Cummings
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cummings
Sibling · 1940 · age 10
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-t0627-01664-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Sullivan | 30 | Wife | — | Massachusetts |
| 2 | Alice Sullivan | 9 | Daughter | — | Massachusetts |
| 3 | Margaret (X) Sullivan | 80 | Head | — | New York |
| 4 | William J. Donoghue | 35 | Head | Laborer | Northern Ireland |
| 5 | Barbara Donoghue | 37 | Wife | — | Eire |
| 6 | William B. Donoghue | 9 | Son | — | Massachusetts |
| 7 | Stephen C. Donoghue | 7 | Son | — | Massachusetts |
| 8 | Patrick J. Donoghue | 5 | Son | — | Massachusetts |
| 9 | Mary A. (X) Kent | 54 | Head | — | Massachusetts |
| 10 | George W. Harris | 41 | Head | Senior Clerk | Massachusetts |
| 11 | Alice I. Harris | 47 | Wife | — | Massachusetts |
| 12 | Celia G. Nee | 12 | Daughter | — | Massachusetts |
| 13 | Paul Ferris | 6 | Son | — | Massachusetts |
| 14 | J. William Orchard | 58 | Head | Retail Produce | Massachusetts |
| 15 | Margaret (X) Orchard | 58 | Wife | — | Massachusetts |
| 16 | Phyllis R. Orchard | 23 | Daughter | Dietetic Helper | Massachusetts |
| 17 | David Orchard | 20 | Son | New Worker | Massachusetts |
| 18 | Arthur J. Orchard | 17 | Son | — | Massachusetts |
| 19 | Eunice Orchard | 13 | Daughter | — | Massachusetts |
| 20 | Martin Cummings | 43 | Head | Pump Operator | Eire |
| 21 | Mary Cummings | 43 | Wife | Cleaner | Eire |
| 22 | Martin S. Cummings | 18 | Son | New Worker | Massachusetts |
| 23 | James P. Cummings THIS PERSON | 16 | Son | — | Massachusetts |
| 24 | Anthony G. Cummings | 14 | Son | — | Massachusetts |
| 25 | Robert Cummings | 10 | Son | — | Massachusetts |
| 26 | Rosemary Cummings | 7 | Daughter | — | Massachusetts |
| 27 | James Bain | 45 | Head | — | Massachusetts |
| 28 | Mary (X) Bain | 43 | Wife | — | Massachusetts |
| 29 | Arthur Bain | 25 | Son | Stock-Clerk | Massachusetts |
| 30 | Margaret Bain | 21 | Daughter | Packer | Massachusetts |
| 31 | Dorothy Bain | 18 | Daughter | Filing-Clerk | Massachusetts |
| 32 | Robert A. Bain | 17 | Son | — | Massachusetts |
| 33 | Rosemary Bain | 8 | Daughter | — | Massachusetts |
| 34 | Barbara A. Bain | 4 | Daughter | — | Massachusetts |
| 35 | Oscar (X) Carlson | 31 | Head | Clerk-Man | Illinois |
| 36 | Mary Carlson | 28 | Wife | Instructor | Massachusetts |
| 37 | Bronis Pranaitis | 59 | Head | Laborer | Lithuania |
| 38 | Raul Pranaitis | 20 | Son | — | Massachusetts |
| 39 | Frank Twarog | 52 | Head | Laborer | Lithuania |
| 40 | Mary (X) Muir | 20 | Adopted Daughter | — | 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)