MW
Margaret Walsh — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Walsh across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Stephen & Ellen — first a daughter (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Female
Daughter
Born: Mass.
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Walsh |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Mass. |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
| Township / Ward | Boston City |
| Est. Birth Year | ~1911 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Barbara Walsh | Daughter | — | 12 | ~1928 |
| Anna Walsh | Daughter | — | 15 | ~1925 |
| Margaret Walsh | Daughter | — | 29 | ~1911 |
| Catherine Walsh | Daughter | — | 27 | ~1913 |
| James Walsh | Head | — | 47 | ~1893 |
| Joseph Walsh | Son | — | 7 | ~1933 |
| Barbara Walsh | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 9
Suffolk, Massachusetts · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Mass |
| Mother's Birthplace | Mass |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1930
Suffolk, Massachusetts
Daughter, age 18
Suffolk, Massachusetts · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Mass |
| Mother's Birthplace | Mass |
| Occupation | Nurse |
| Industry | Private 8796 |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1940
Suffolk-County, Massachusetts
Daughter, age 29
Suffolk-County, Massachusetts · implied b. ~1911 — 7 household members
| Surname | Walsh |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Mass. |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
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 Walsh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Stephen Walsh (~0.92 confidence) and mother Ellen Walsh (~0.92 confidence) and mother Mary Walsh (~0.92 confidence) and father William Walsh (~0.92 confidence) and mother Barbara Walsh (~0.92 confidence) and father James Walsh (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Stephen Walsh
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Ellen Walsh
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Walsh
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
William Walsh
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Barbara Walsh
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
James Walsh
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
Margaret Walsh
Daughter · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Anna Walsh
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Walsh
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Walsh
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Walsh
Sibling · 1940 · age 7
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
40 people indexed on this census page (nara:1940:m-t0627-01676-00399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Mcpherson | 22 | Head | Roofer'S Helper | Mass. |
| 2 | Ann O. Mcpherson | 22 | Wife | — | Mass. |
| 3 | Herbert Jr. Mcpherson | 0 | Son | — | Mass. |
| 4 | John Connell | 65 | Head | Laborer | Eire |
| 5 | Edward Connell | 27 | Son | Book-Keeper | Mass. |
| 6 | Veronica Connell | 21 | Daughter | — | Mass. |
| 7 | Frederick Taylor | 26 | Son-in-law | Postal Laborer | Mass. |
| 8 | Marion Taylor | 23 | Daughter | — | Mass. |
| 9 | Beverly Taylor | 2 | Grand-daughter | — | Mass. |
| 10 | Louis Shapiro | 72 | Head | — | Poland |
| 11 | Sarah Shapiro | 51 | Daughter | — | Poland |
| 12 | David H. Shapiro | 47 | Son | — | Poland |
| 13 | Bernard H. Shapiro | 42 | Son | Tobacco Salesman | Rhode Island |
| 14 | Ernest Shapiro | 39 | Son | — | Rhode Island |
| 15 | John O'Brien | 51 | Head | Janitor | Mass. |
| 16 | Mary O'Brien | 33 | Wife | — | Mass. |
| 17 | John J. O'Brien | 18 | Son | New Worker | Mass. |
| 18 | Robert O'Brien | 17 | Son | — | Mass. |
| 19 | John D. Tenghery | 45 | Head | Inspector | Mass. |
| 20 | Margaret Tenghery | 45 | Wife | — | Mass. |
| 21 | Richard Tenghery | 6 | Son | — | Mass. |
| 22 | Paul Tenghery | 4 | Son | — | Mass. |
| 23 | Timothy O'Sullivan | 65 | Head | Watchman | Eire |
| 24 | Minnie (A.) O'Sullivan | 57 | Wife | — | Eire |
| 25 | William Nolan | 15 | Boarder | — | Mass. |
| 26 | James Walsh | 47 | Head | — | Eire |
| 27 | Barbara Walsh | 49 | Wife | — | Eire |
| 28 | Margaret Walsh THIS PERSON | 29 | Daughter | — | Mass. |
| 29 | Catherine Walsh | 27 | Daughter | — | Mass. |
| 30 | Anna Walsh | 15 | Daughter | — | Mass. |
| 31 | Barbara Walsh | 12 | Daughter | — | Mass. |
| 32 | Joseph Walsh | 7 | Son | — | Mass. |
| 33 | Ernest Costa | 23 | Head | Elevator Operator | Mass. |
| 34 | Ruth B. Costa | 21 | Wife | — | Mass. |
| 35 | Hugh Leonard | 57 | Head | Carpenter | Eire |
| 36 | Helen Q. Leonard | 54 | Wife | Waitress | Scotland |
| 37 | William Redwine | 48 | Head | Salesman | Illinois |
| 38 | Anna Redwine | 44 | Wife | Seamstress | Illinois |
| 39 | Frederick Redwine | 19 | Son | — | Mass. |
| 40 | Ernest J. Redwine | 18 | Son | — | Mass. |
Pedigree Summary
Margaret + 4 siblings
Gen 1 · 6 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)