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Margaret Lyons — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Lyons across the 1910, 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Frank — first a spouse (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Lyons |
| Given Name | Margaret L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1909 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| James Lyons | Head | — | 30 | ~1910 |
| Arline Lyons | Daughter | — | 5 | ~1935 |
| Margaret Lyons | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age
Essex, Massachusetts · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Margaret E |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Daughter, age 11
Suffolk, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 21
Suffolk, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Margaret G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Bookkeeper |
| Industry | Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 31
Suffolk-County, Massachusetts · implied b. ~1909 — 3 household members
| Surname | Lyons |
| Given Name | Margaret L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| 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 Margaret Lyons across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Charles Lyons (~0.92 confidence) and father Frank Lyons (~0.92 confidence) and mother Catherine Lyons (~0.92 confidence) and mother Teresa Lyons (~0.92 confidence) and mother Theresa Lyons (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Lyons
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Frank Lyons
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Catherine Lyons
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Teresa Lyons
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Theresa Lyons
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Lyons
Spouse · 1940 · age 31 · b. ~1909 · 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-t0627-01669-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Wirtmann | 60 | Head | Leather Cutter | Germany |
| 2 | Mary Wirtmann | 32 | Daughter | Printer | Germany |
| 3 | Herbert Sartory | 73 | Uncle | Printer | Germany |
| 4 | Louise Fickles | 49 | Head | — | Massachusetts |
| 5 | Caroline Fickles | 48 | Sister | Maid | Massachusetts |
| 6 | Eva Fickles | 42 | Sister | Seamstress | Massachusetts |
| 7 | Thomas E. Goode | 59 | Head | Electrotype Finisher | Massachusetts |
| 8 | Celia Goode | 58 | Wife | — | Irish Free State |
| 9 | Dorothy Goode | 24 | Daughter | Typist | Massachusetts |
| 10 | Thomas Goode | 23 | Son | Elevator Operator | Massachusetts |
| 11 | George Dempsey | 52 | Head | Waiter | Canada-English |
| 12 | Agnes Dempsey | 36 | Wife | — | Canada-English |
| 13 | Velma Dempsey | 14 | Daughter | — | Massachusetts |
| 14 | George Jr. Dempsey | 10 | Son | — | Massachusetts |
| 15 | Richard Coulter | 28 | Head | Brewery Worker | New Hampshire |
| 16 | Helen Coulter | 30 | Wife | — | Massachusetts |
| 17 | Virginia Coulter | 2 | Daughter | — | Massachusetts |
| 18 | Ellen Coulter | 0 | Daughter | — | Massachusetts |
| 19 | John F. Young | 22 | Lodger | Blind Assembler | Massachusetts |
| 20 | John Carter | 43 | Head | Shoe Liner | Massachusetts |
| 21 | Margaret Carter | 37 | Wife | — | Massachusetts |
| 22 | Joseph Carter | 19 | Son | Laborer | Massachusetts |
| 23 | Helen Carter | 17 | Daughter | — | Massachusetts |
| 24 | John Carter | 15 | Son | — | Massachusetts |
| 25 | Margaret Carter | 13 | Daughter | — | Massachusetts |
| 26 | Martin J. Connor | 40 | Head | Foreman-Retail Milk Route | Massachusetts |
| 27 | Nellie L. Connor | 37 | Wife | — | Massachusetts |
| 28 | Joan Connor | 8 | Daughter | — | Massachusetts |
| 29 | James E. Lyons | 30 | Head | Pricing Clerk | Massachusetts |
| 30 | Margaret L. Lyons THIS PERSON | 31 | Wife | — | Massachusetts |
| 31 | Arline M. Lyons | 5 | Daughter | — | Massachusetts |
| 32 | Mary Neuman | 76 | Head | — | Germany |
| 33 | Margaret Hall | 41 | Daughter | Sewing | Massachusetts |
| 34 | Edward Hood | 26 | Head | Attendant | Massachusetts |
| 35 | Eleanor Hood | 26 | Wife | Nurse On Call | Vermont |
| 36 | Lawrence Sexton | 22 | Brother-in-law | Filing Clerk | Vermont |
| 37 | Mary A. Carroll | 72 | Head | — | Canada-English |
| 38 | Owen J. Carroll | 39 | Son | — | Massachusetts |
| 39 | Rhea Carroll | 28 | Daughter | Filing Clerk | Massachusetts |
| 40 | Margaret Carroll | 24 | Daughter | — | Massachusetts |
Pedigree Summary
Margaret
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)