JP
John Power — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Power across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 8-person household.
Age 26
b. ~1914
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Power |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Clerk Billing |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1350 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk Billing |
| Township / Ward | Boston City |
| Est. Birth Year | ~1914 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Power | Son | — | 26 | ~1914 |
| Helene Power | Daughter | — | 18 | ~1922 |
| George Power | Son | — | 14 | ~1926 |
| Bridget Power | Spouse | — | 50 | ~1890 |
| Katherine Power | Daughter | — | 24 | ~1916 |
| Michael Power | Head | — | 52 | ~1888 |
| Joseph Power | Son | — | 23 | ~1917 |
| Francis Power | Son | — | 21 | ~1919 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 16
Suffolk, Massachusetts · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Office Boy |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 26
Suffolk-County, Massachusetts · implied b. ~1914 — 8 household members
| Surname | Power |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Clerk Billing |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1350 |
| Highest Grade | C 3 |
| 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 John Power across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Power
Son · 1940 · age 26 · b. ~1914 · Massachusetts
★ You are viewing this record
Sibling
Katherine Power
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Power
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Power
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Power
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helene Power
Sibling · 1940 · age 18
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-t0627-01668-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Conway | 28 | Head | New Worker | Irish Free State |
| 2 | Josephine Conway | 28 | Wife | — | Same Place |
| 3 | Mary Conway | 5 | Daughter | — | Massachusetts |
| 4 | William Conway | 2 | Son | — | Massachusetts |
| 5 | Michael Power | 52 | Head | Shop Foreman | Massachusetts |
| 6 | Bridget A Power | 50 | Wife | — | Massachusetts |
| 7 | John Power THIS PERSON | 26 | Son | Clerk Billing | Massachusetts |
| 8 | Katherine Power | 24 | Daughter | Clerk Billing | Massachusetts |
| 9 | Joseph Power | 23 | Son | Clerk File | Massachusetts |
| 10 | Francis Power | 21 | Son | New Worker | Massachusetts |
| 11 | Helene Power | 18 | Daughter | — | Massachusetts |
| 12 | George Power | 14 | Son | — | Massachusetts |
| 13 | Robert Mcdonough | 44 | Head | Fireman | Massachusetts |
| 14 | Anna B Mcdonough | 46 | Wife | — | Massachusetts |
| 15 | Dorothy Mcdonough | 13 | Daughter | — | Massachusetts |
| 16 | Robert Mcdonough | 11 | Son | — | Massachusetts |
| 17 | James Mcdonough | 10 | Son | — | Massachusetts |
| 18 | Mary A Crossen | 60 | Head | — | Massachusetts |
| 19 | Margaret Crossen | 22 | Daughter | Secretary | Massachusetts |
| 20 | Katherine Crossen | 20 | Daughter | Stenographer | Massachusetts |
| 21 | Catherine Doolin | 52 | Sister | Saleslady | Massachusetts |
| 22 | Michael X Heidman | 49 | Head | Gardner | Massachusetts |
| 23 | Helen Heidman | 54 | Wife | — | Massachusetts |
| 24 | Bernard Callanan | 73 | Head | — | Irish Free State |
| 25 | Mary Callanan | 68 | Wife | — | Massachusetts |
| 26 | John B Callanan | 37 | Son | Accountant | Massachusetts |
| 27 | Mary E Callanan | 33 | Daughter | School Teacher | Massachusetts |
| 28 | Eleanor Kennedy | 50 | Visitor | Occupational Therapist | Massachusetts |
| 29 | Patrick O'Brien | 51 | Head | Stock Man | Irish Free State |
| 30 | Margaret H O'Brien | 39 | Wife | — | Irish Free State |
| 31 | John J O'Brien | 10 | Son | — | Massachusetts |
| 32 | Mary T O'Brien | 9 | Daughter | — | Massachusetts |
| 33 | Margaret V O'Brien | 8 | Daughter | — | Massachusetts |
| 34 | Kathleen V O'Brien | 4 | Daughter | — | Massachusetts |
| 35 | Geraldine O'Brien | 1 | Daughter | — | Massachusetts |
| 36 | John F Maher | 54 | Head | Fireman Staty | Irish Free State |
| 37 | Mary T Maher | 62 | Wife | — | Irish Free State |
| 38 | John Maher | 22 | Son | Chauffeur | Massachusetts |
| 39 | Edward Maher | 21 | Son | Clerk | Massachusetts |
| 40 | Joseph Maher | 20 | Son | New Worker | 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)