HG
Helen Graham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Helen Graham across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Graham |
| Given Name | Helen P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Revere 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| John Reardon | Other | — | 26 | ~1914 |
| Mary Reardon | Spouse | — | 24 | ~1916 |
| Elizabeth Hawes | Other | — | 80 | ~1860 |
| Joan Graham | Daughter | — | 14 | ~1926 |
| Grace Graham | Daughter | — | 19 | ~1921 |
| Ruth Graham | Daughter | — | 25 | ~1915 |
| John Reardon | Son | — | ~1940 | |
| Helen Graham | Daughter | — | 16 | ~1924 |
| Virginia Graham | Daughter | — | 13 | ~1927 |
| Frederick Graham | Head | — | 49 | ~1891 |
| Margaret Graham | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 5
Suffolk, Massachusetts · implied b. ~1925 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 11 household members
| Surname | Graham |
| Given Name | Helen P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere City |
| 1935 Residence (County) | Suffolk |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 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 Helen Graham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Graham
Daughter · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
John Reardon
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Graham
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Graham
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Graham
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Graham
Sibling · 1940 · age 14
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
39 people indexed on this census page (nara:1940:m-t0627-01643-00574)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman A. Joyce | 16 | Head | — | Massachusetts |
| 42 | Lawrence J. Joyce | 15 | Son | — | Massachusetts |
| 43 | Marilyn Joyce | 9 | Daughter | — | Massachusetts |
| 44 | Kenneth A. Bishop | 27 | Head | Pharmacist | Maryland |
| 45 | Rita M. Bishop | 26 | Wife | Clerk | Massachusetts |
| 46 | Frederick V. Graham | 49 | Head | State Super | Massachusetts |
| 47 | Margaret E. Graham | 46 | Wife | — | Massachusetts |
| 48 | Ruth L. Graham | 25 | Daughter | Checker | Massachusetts |
| 49 | Grace M. Graham | 19 | Daughter | Inspector | Massachusetts |
| 50 | Helen P. Graham THIS PERSON | 16 | Daughter | — | Massachusetts |
| 51 | Joan M. Graham | 14 | Daughter | — | Massachusetts |
| 52 | Virginia Graham | 13 | Daughter | — | Massachusetts |
| 53 | John P. Reardon | 26 | Son in law | Laborer | Massachusetts |
| 54 | Mary E. Reardon | 24 | Wife | — | Massachusetts |
| 55 | John P. Jr. Reardon | 0 | Son | — | Massachusetts |
| 56 | Elizabeth Hawes | 80 | Aunt | — | Newfoundland |
| 57 | George H. Rony | 61 | Head | Mail Clerk | Massachusetts |
| 58 | Annie M. Rony | 66 | Wife | — | England |
| 59 | Mary A. Rony | 84 | Mother | — | Massachusetts |
| 60 | Alphonso J. Smart | 41 | Head | Treasurer | Massachusetts |
| 61 | Alice L. Smart | 43 | Wife | — | Massachusetts |
| 62 | John R. Smart | 17 | Son | — | Massachusetts |
| 63 | William L. Pike | 39 | Head | Paper Cutter | Massachusetts |
| 64 | Myrtle I. Pike | 35 | Wife | — | Canada English |
| 65 | Richard H. Pike | 2 | Son | — | Massachusetts |
| 66 | Thomas J. Mathews | 49 | Head | Truck Driver | Massachusetts |
| 67 | Mary J. Mathews | 52 | Wife | — | Massachusetts |
| 68 | Mary R. Mathews | 20 | Daughter | Stenographer | Massachusetts |
| 69 | Margaret K. Mathews | 19 | Daughter | Stenographer | Massachusetts |
| 70 | Daniel P. Mccarthy | 55 | Head | Laborer | Eire |
| 71 | Margaret T. Mccarthy | 43 | Wife | — | Massachusetts |
| 72 | Daniel P. Mccarthy | 18 | Son | N.Y.A. | Massachusetts |
| 73 | John J. Mccarthy | 16 | Son | — | Massachusetts |
| 74 | Irene J. Mccarthy | 11 | Daughter | — | Massachusetts |
| 75 | Margaret Mccarthy | 10 | Daughter | — | Massachusetts |
| 76 | Clarence C. Phinney | 58 | Head | Motorman | Canada English |
| 77 | Alice W. Phinney | 41 | Wife | — | Massachusetts |
| 78 | Donald Phinney | 20 | Son | Machinist | Massachusetts |
| 79 | Kenneth Phinney | 18 | Son | — | Massachusetts |
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)