MD
Margaret Duffy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Margaret Duffy across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents James & Mrs — first a daughter (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Duffy |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cuyahoga |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Demonstrator |
| Industry | Retail Cosmetics |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Demonstrator |
| Township / Ward | Cuyahoga |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Alta Duffy | Other | — | 48 | ~1892 |
| Mrs Duffy | Head | — | 56 | ~1884 |
| Margaret Duffy | Daughter | — | 24 | ~1916 |
Census Appearances
1920
Cuyahoga, Ohio
Daughter, age 3
Cuyahoga, Ohio · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Daughter, age 14
Cuyahoga, Ohio · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 24
Cuyahoga-County, Ohio · implied b. ~1916 — 3 household members
| Surname | Duffy |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cuyahoga |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Demonstrator |
| Industry | Retail Cosmetics |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Duffy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Duffy (~0.92 confidence) and mother Mrs Duffy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Duffy
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Mrs Duffy
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Duffy
Daughter · 1940 · age 24 · b. ~1916 · Ohio
★ 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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03055-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Robinson | 64 | wife | — | Ireland |
| 42 | Marie Robinson | 42 | daughter | Typist | Ohio |
| 43 | Simon S Robinson | 76 | brother | — | Ireland |
| 44 | Vernon Platt | 41 | Head | Sales Agent | Ohio |
| 45 | Mary A Platt | 42 | wife | — | Penna |
| 46 | Donald F Platt | 14 | son | — | Ohio |
| 47 | Robert C Platt | 9 | son | — | Ohio |
| 48 | Clarence C Curtis | 50 | head | Mgr. Cleve Trust | Ohio |
| 49 | Nellie Curtis | 49 | wife | — | Ohio |
| 50 | Jack Curtis | 25 | son | Clerk | Ohio |
| 51 | Anita Curtis | 23 | daughter in law | — | Ohio |
| 52 | Richard Curtis | 3 | grand-son | — | Ohio |
| 53 | James A Forrester | 55 | head | Mason | Scotland |
| 54 | Evelyn Forrester | 45 | wife | — | Isle of Man |
| 55 | Elizabeth Ab Forrester | 19 | daughter | — | Ohio |
| 56 | Victor Zehnder | 39 | head | Engineer | Ohio |
| 57 | Louise Zehnder | 32 | wife | — | Ohio |
| 58 | Rita Zehnder | 11 | daughter | — | Ohio |
| 59 | George Zehnder | 9 | son | — | Ohio |
| 60 | Margaret Zehnder | 3 | daughter | — | Ohio |
| 61 | Ada Zehnder | 1 | daughter | — | Ohio |
| 62 | Carl Zehnder | 0 | son | — | Ohio |
| 63 | Mrs M. B. Duffy | 56 | head | Teacher | Ohio |
| 64 | Alta Duffy | 48 | sister | Teacher | Ohio |
| 65 | Margaret Duffy THIS PERSON | 24 | daughter | Demonstrator | Ohio |
| 66 | Geo Kyrian | 55 | head | Bakery | Germany |
| 67 | Florence Kyrian | 56 | wife | — | England |
| 68 | Ellsworth Sanger | 47 | head | Millwright | Connecticut |
| 69 | Rose Sanger | 28 | wife | — | Penna |
| 70 | Jane Sanger | 22 | daughter | Seamstress | Ohio |
| 71 | Ralph Sanger | 16 | son | — | Ohio |
| 72 | B. Hugo Woodside | 26 | son in law | Driver | Missouri |
| 73 | Evelyn Woodside | 26 | daughter | — | Connecticut |
| 74 | Burton Woodside | 6 | grandson | — | Ohio |
| 75 | Bertha Haefele | 62 | head | — | Ohio |
| 76 | Alberta Haefele | 30 | daughter | Clerk | Ohio |
| 77 | Marjorie Haefele | 23 | daughter | Stock-Girl | Ohio |
| 78 | Carlton Haefele | 21 | son | — | Ohio |
| 79 | Francis W Hutchinson | 69 | head | Master Mechanic | Canada |
| 80 | Edith M Hutchinson | 65 | wife | — | Canada |
Pedigree Summary
Margaret
Gen 1 · 2 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)