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 head (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Power |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Power | Son | — | 11 | ~1929 |
| Agnes Power | Spouse | — | 36 | ~1904 |
| James Power | Son | — | 10 | ~1930 |
| Robert Power | Son | — | 8 | ~1932 |
| Madelyn Power | Daughter | — | 14 | ~1926 |
| Margaret Power | Daughter | — | 1 | ~1939 |
| John Power | Head | — | 40 | ~1900 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 30
Suffolk, Massachusetts · implied b. ~1900 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 40
Suffolk-County, Massachusetts · implied b. ~1900 — 7 household members
| Surname | Power |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 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
Head · 1940 · age 40 · b. ~1900 · Massachusetts
★ You are viewing this record
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-t0627-01664-00344)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael J. O'Neil | 70 | Head | — | Eire |
| 2 | Margaret A. O'Neil | 59 | Wife | — | Eire |
| 3 | William O'Neil | 24 | Son | Ice Man | Massachusetts |
| 4 | Mary O'Neil | 22 | Daughter | — | Massachusetts |
| 5 | Joseph O'Neil | 20 | Son | Ice Man | Massachusetts |
| 6 | Alice O'Neil | 12 | Daughter | — | Massachusetts |
| 7 | John O'Neil | 16 | Son | — | Massachusetts |
| 8 | James O'Neil | 13 | Son | — | Massachusetts |
| 9 | John J. Fahey | 36 | Head | Steam Fitter | Massachusetts |
| 10 | Mary J. Fahey | 35 | Wife | — | Massachusetts |
| 11 | Rita Fahey | 14 | Daughter | — | Massachusetts |
| 12 | John Fahey | 6 | Son | — | Massachusetts |
| 13 | Margaret A. Fahey | 4 | Daughter | — | Massachusetts |
| 14 | Michael Crowley | 32 | Head | Chauffer | Massachusetts |
| 15 | Esther Crowley | 26 | Wife | — | Massachusetts |
| 16 | James Crowley | 2 | Son | — | Massachusetts |
| 17 | Nora Nolan | 45 | Aunt | — | Eire |
| 18 | Mary Crowley | 61 | Head | — | Northern Ireland |
| 19 | Martin Crowley | 30 | Son | Salesman | Massachusetts |
| 20 | Margaret Crowley | 27 | Daughter | Machinist | Massachusetts |
| 21 | Maurice Crowley | 21 | Son | Laborer | Massachusetts |
| 22 | Michael Hurley | 23 | Son in law | Laborer | Massachusetts |
| 23 | Agnes Hurley | 25 | Daughter | — | Massachusetts |
| 24 | Martin Scully | 33 | Boarder | Fireman | Massachusetts |
| 25 | John Power THIS PERSON | 40 | Head | — | Massachusetts |
| 26 | Agnes Power | 36 | Wife | — | Massachusetts |
| 27 | Madelyn Power | 14 | Daughter | — | Massachusetts |
| 28 | Joseph Power | 11 | Son | — | Massachusetts |
| 29 | James Power | 10 | Son | — | Massachusetts |
| 30 | Robert Power | 8 | Son | — | Massachusetts |
| 31 | Margaret Power | 1 | Daughter | — | Massachusetts |
| 32 | Francis Sullivan | 40 | Head | Machinist Helper | Massachusetts |
| 33 | Catherine Sullivan | 38 | Wife | — | Massachusetts |
| 34 | James Mcgrath | 65 | Head | Roofer | Eire |
| 35 | Mary Mcgrath | 65 | Wife | — | Eire |
| 36 | Marie Kennel | 16 | Grandchild | — | Massachusetts |
| 37 | Patrick Dunne | 58 | Head | Telephone Oper. | Massachusetts |
| 38 | Catherine Dunne | 55 | Sister | Janitor | Massachusetts |
| 39 | Jeremiah Hurley | 39 | Head | Inspector | Massachusetts |
| 40 | Margaret Hurley | 38 | Wife | — | 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)