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Margaret Lyons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berkshire-County, Massachusetts
Our Model Tree links this Margaret Lyons across the 1930 and 1940 US Censuses in Berkshire-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Berkshire-County, Massachusetts |
| Surname | Lyons |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lee |
| 1935 Residence (County) | Berkshire |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cheshire |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Nora Lyons | Spouse | — | 34 | ~1906 |
| Thomas O'Brien | Other | — | 67 | ~1873 |
| John Lyons | Son | — | 6 | ~1934 |
| Helen Lyons | Daughter | — | 5 | ~1935 |
| Thomas Lyons | Head | — | 37 | ~1903 |
| Phillip Lyons | Son | — | ~1940 | |
| Margaret Lyons | Daughter | — | 10 | ~1930 |
| Anna Lyons | Daughter | — | 12 | ~1928 |
| Thomas Lyons | Son | — | 8 | ~1932 |
Census Appearances
1930
Berkshire, Massachusetts
Daughter, age
Berkshire, Massachusetts · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Berkshire-County, Massachusetts
Daughter, age 10
Berkshire-County, Massachusetts · implied b. ~1930 — 9 household members
| Surname | Lyons |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lee |
| 1935 Residence (County) | Berkshire |
| Highest Grade | No 3 |
| 1935 Residence | Massachusetts |
| 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 Margaret Lyons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Lyons
Daughter · 1940 · age 10 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
Anna Lyons
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lyons
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lyons
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Lyons
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lyons
Sibling · 1940 · age 8
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 — Berkshire-County, Massachusetts
Open full size
1940 US Federal Census — Berkshire-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01567-00397)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jeanette B Amidon | 75 | Head | — | Massachusetts |
| 42 | Charles B Leazer | 54 | Head | Laborer | Vermont |
| 43 | Nellie D Leazer | 43 | Wife | Finisher | Vermont |
| 44 | Charles W Jr Leazer | 21 | Son | Assembler | Massachusetts |
| 45 | Frank B Salvi | 73 | Head | — | Italy |
| 46 | Frank Jr Salvi | 38 | Son | Laborer | Massachusetts |
| 47 | Peter Bassi | 51 | Roomer | Laborer | Switzerland |
| 48 | Dominic Francesconi | 59 | Head | Shipping Clerk | Italy |
| 49 | Irma Francesconi | 61 | Wife | — | Italy |
| 50 | Peter Massaconi | 56 | Head | — | Italy |
| 51 | Rose Massaconi | 50 | Wife | — | Italy |
| 52 | Peter V Massaconi | 26 | Son | Laborer | Massachusetts |
| 53 | Marie R Massaconi | 22 | Daughter | Librarian | Massachusetts |
| 54 | Emma C Massaconi | 20 | Daughter | Cleaner | Massachusetts |
| 55 | Michael Massaconi | 19 | Son | Mechanic | Massachusetts |
| 56 | Charles Massaconi | 17 | Son | Laborer | Massachusetts |
| 57 | Rita Massaconi | 12 | Daughter | — | Massachusetts |
| 58 | Edna Massaconi | 10 | Daughter | — | Massachusetts |
| 59 | Elmer B Tracy | 53 | Head | Laborer | Massachusetts |
| 60 | Mildred Tracy | 44 | Wife | — | Connecticut |
| 61 | Vivian Tracy | 16 | Daughter | — | Connecticut |
| 62 | Deanna Tracy | 14 | Daughter | — | Connecticut |
| 63 | Paul Tracy | 12 | Son | — | Massachusetts |
| 64 | Patricia Tracy | 11 | Daughter | — | Massachusetts |
| 65 | Preston Tracy | 9 | Son | — | Massachusetts |
| 66 | Stanley Tracy | 7 | Son | — | Massachusetts |
| 67 | Elodie Tracy | 5 | Daughter | — | Massachusetts |
| 68 | Ernest Tracy | 3 | Son | — | Massachusetts |
| 69 | Dorothy Tracy | 1 | Daughter | — | Massachusetts |
| 70 | Thomas J Lyons | 37 | Head | — | Massachusetts |
| 71 | Nora F Lyons | 34 | Wife | — | Massachusetts |
| 72 | Anna Lyons | 12 | Daughter | — | Massachusetts |
| 73 | Margaret Lyons THIS PERSON | 10 | Daughter | — | Massachusetts |
| 74 | Thomas Lyons | 8 | Son | — | Massachusetts |
| 75 | John Lyons | 6 | Son | — | Massachusetts |
| 76 | Helen Lyons | 5 | Daughter | — | Massachusetts |
| 77 | Phillip Lyons | 0 | Son | — | Massachusetts |
| 78 | Thomas F O'Brien | 67 | Uncle | — | Massachusetts |
| 79 | Bridget Driscoll | 49 | Head | Teacher | Massachusetts |
| 80 | Rose Massaconi | 24 | Roomer | School Teacher | 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)