MR
Mary Randall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Randall across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.
Age 70
b. ~1870
Female
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Randall |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford, city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| Est. Birth Year | ~1870 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Randall | Head | — | 70 | ~1870 |
| Charles Peterkin | Other | — | 43 | ~1897 |
| Ethel Peterkin | Daughter | — | 45 | ~1895 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 45
Middlesex, Massachusetts · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Randall |
| Given Name | Mary P. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Spouse, age 55
Middlesex, Massachusetts · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Randall |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 18 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 70
Middlesex-County, Massachusetts · implied b. ~1870 — 3 household members
| Surname | Randall |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford, city |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 8 |
| 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 Mary Randall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Randall
Head · 1940 · age 70 · b. ~1870 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01612-00951)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J O'Neil | 50 | Brother-in-law | Salesman | New York |
| 2 | Dominic Lucia | 48 | Head | Contractor | Italy |
| 3 | Eva M Lucia | 39 | Wife | — | Vermont |
| 4 | Charles A Lucia | 17 | Son | New Worker | Massachusetts |
| 5 | Patrick C Lucia | 15 | Son | — | Massachusetts |
| 6 | Dominic Jr Lucia | 11 | Son | — | Massachusetts |
| 7 | Edward E Lucia | 9 | Son | — | Massachusetts |
| 8 | Anthony Lucia | 5 | Son | — | Massachusetts |
| 9 | Ralph Cosentino | 20 | Son-in-law | Laborer | Massachusetts |
| 10 | Mary Cosentino | 18 | Daughter | — | Massachusetts |
| 11 | Mary Randall THIS PERSON | 70 | Head | — | Massachusetts |
| 12 | Charles Jr Peterkin | 43 | Son-in-law | Sea Captain | Texas |
| 13 | Ethel M Peterkin | 45 | Daughter | — | Massachusetts |
| 14 | Walter W Fowler | 64 | Head | Stationary Engineer | Massachusetts |
| 15 | Hazel M Fowler | 36 | Wife | Bookkeeper | Massachusetts |
| 16 | Gladys R Fowler | 22 | Daughter | Clerk | Massachusetts |
| 17 | Robert Burrows | 36 | Son-in-law | Builder | Massachusetts |
| 18 | Alice F Burrows | 32 | Daughter | — | Massachusetts |
| 19 | Sylvester G Swett | 77 | Lodger | Clerk | Massachusetts |
| 20 | Marion W Perry | 48 | Head | Stenographer | Massachusetts |
| 21 | Cynthia Perry | 17 | Daughter | — | Massachusetts |
| 22 | Henry T Hormel | 62 | Head | Clerk | Massachusetts |
| 23 | May A Hormel | 58 | Wife | — | Massachusetts |
| 24 | Clifford L Hormel | 25 | Daughter | X-Ray Technician | Massachusetts |
| 25 | Beatrice E Hormel | 29 | Daughter | Clerk | Massachusetts |
| 26 | Thelma Mcdaniels | 20 | Lodger | Clerk | Massachusetts |
| 27 | Edgar N Champion | 33 | Head | Carpenter | Canada-English |
| 28 | Marion R Champion | 34 | Wife | — | Massachusetts |
| 29 | Iris M Champion | 5 | Daughter | — | Massachusetts |
| 30 | Lula A Mery | 70 | Head | — | Massachusetts |
| 31 | John Goldberg | 30 | Head | Store Owner | Massachusetts |
| 32 | Beatrice Goldberg | 26 | Wife | — | Massachusetts |
| 33 | Stanley G Goldberg | 10 | Son | — | Massachusetts |
| 34 | John A Mone | 57 | Head | Police Officer | Massachusetts |
| 35 | Blanche E Mone | 53 | Wife | — | Massachusetts |
| 36 | Arthur L Mone | 24 | Son | — | Massachusetts |
| 37 | Philip P Mone | 16 | Son | — | Massachusetts |
| 38 | Thomas P Mone | 13 | Son | — | Massachusetts |
| 39 | Louis Igar | 41 | Head | Painter | Russia |
| 40 | Sarah Igar | 35 | Wife | — | Russia |
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)