MN
Mary Nolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Nolan across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 11-person household.
Age 52
b. ~1888
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Nolan |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Chelsea |
| Est. Birth Year | ~1888 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Nolan | Daughter | — | 14 | ~1926 |
| Louise Nolan | Daughter | — | 16 | ~1924 |
| Barbara Nolan | Daughter | — | 8 | ~1932 |
| Alice Nolan | Daughter | — | 10 | ~1930 |
| Mary Nolan | Daughter | — | 22 | ~1918 |
| Edward Nolan | Son | — | 12 | ~1928 |
| Clifford Nolan | Son | — | 20 | ~1920 |
| John Nolan | Son | — | 28 | ~1912 |
| William Nolan | Son | — | 25 | ~1915 |
| Lawrence Nolan | Son | — | 18 | ~1922 |
| Mary Nolan | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 42
Suffolk, Massachusetts · implied b. ~1888 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 52
Suffolk-County, Massachusetts · implied b. ~1888 — 11 household members
| Surname | Nolan |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Highest Grade | H 4 |
| 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 Nolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Nolan
Spouse · 1940 · age 52 · b. ~1888 · 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 — 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-t0627-01642-00351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary A Nolan THIS PERSON | 52 | Wife | — | Massachusetts |
| 42 | John Nolan | 28 | Son | Shipper | Massachusetts |
| 43 | William Nolan | 25 | Son | — | Massachusetts |
| 44 | Mary Nolan | 22 | Daughter | Waitress | Massachusetts |
| 45 | Clifford Nolan | 20 | Son | Laborer | Massachusetts |
| 46 | Lawrence Nolan | 18 | Son | — | Massachusetts |
| 47 | Louise Nolan | 16 | Daughter | Clerk | Massachusetts |
| 48 | Margaret Nolan | 14 | Daughter | — | Massachusetts |
| 49 | Edward Nolan | 12 | Son | — | Massachusetts |
| 50 | Alice Nolan | 10 | Daughter | — | Massachusetts |
| 51 | Barbara Nolan | 8 | Daughter | — | Massachusetts |
| 52 | George B Pratt | 69 | Head | Overseer | Vermont |
| 53 | Mattie C Pratt | 69 | Wife | — | Massachusetts |
| 54 | Samuel Schultz | 58 | Head | — | Russia |
| 55 | Jessie Schultz | 51 | Wife | — | Russia |
| 56 | Morris Dorfman | 33 | Boarder | — | New York |
| 57 | Samuel Samuel | 35 | Son-in-law | Salesman | Russia |
| 58 | Newhall Samuel | 5 | Grandson | — | Massachusetts |
| 59 | Michael Dorfman | 32 | Head | Attendant | Massachusetts |
| 60 | Dorothy Dorfman | 30 | Wife | — | Pennsylvania |
| 61 | Samuel Dorfman | 2 | Son | — | Massachusetts |
| 62 | Morris Epstein | 28 | Head | Sheet Metal Worker | Russia |
| 63 | Rose Epstein | 28 | Wife | — | Massachusetts |
| 64 | Alan Epstein | 2 | Son | — | Massachusetts |
| 65 | Clifford Plotnick | 25 | Head | Salesman | Massachusetts |
| 66 | Gertrude Plotnick | 22 | Wife | — | Massachusetts |
| 67 | Roberta Plotnick | 2 | Daughter | — | Massachusetts |
| 68 | Benjamin Hering | 27 | Head | Baker | Massachusetts |
| 69 | Minnie Hering | 25 | Wife | Bookkeeper | Massachusetts |
| 70 | Milton Regan | 25 | Head | Engineer | New York |
| 71 | Lillian Regan | 21 | Wife | — | Massachusetts |
| 72 | Louis Lantz | 30 | Head | Salesman | Massachusetts |
| 73 | Edith Lantz | 28 | Wife | — | Massachusetts |
| 74 | Barry Lantz | 1 | Son | — | Massachusetts |
| 75 | Jacob Freedman | 53 | Head | Salesman | Russia |
| 76 | Minnie Freedman | 53 | Wife | — | Russia |
| 77 | Mollie Popovsky | 30 | Daughter | — | Massachusetts |
| 78 | Harry Popovsky | 32 | Son-in-law | Salesman | Russia |
| 79 | Alvin Popovsky | 4 | Grandson | — | Massachusetts |
| 80 | Samuel Vobletson | 45 | Head | Salesman | Russia |
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)