ED
Edward Duffy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this Edward Duffy across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed), with identified parents Lawrence — first a head (b.~1896), then head of a 6-person household.
Age 44
b. ~1896
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Occupation | Electrical Engineer |
| Industry | Public Service |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Electrical Engineer |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1896 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Alma Duffy | Daughter | — | 12 | ~1928 |
| James Duffy | Son | — | 7 | ~1933 |
| Mildred Duffy | Daughter | — | 10 | ~1930 |
| Jessie Duffy | Spouse | — | 39 | ~1901 |
| Edward Duffy | Head | — | 44 | ~1896 |
| Mary Duffy | Son | — | 4 | ~1936 |
Census Appearances
1920
Orleans, Louisiana
Son, age 24
Orleans, Louisiana · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Other, age 34
Orleans, Louisiana · implied b. ~1896 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | R |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Louisiana |
| Occupation | Engineer |
| Industry | Electrical |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 40 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Head, age 44
Orleans-County, Louisiana · implied b. ~1896 — 6 household members
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Occupation | Electrical Engineer |
| Industry | Public Service |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Edward Duffy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lawrence Duffy (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lawrence Duffy
b. ~1860
Source father
● Household
· direct · ~0.92
This person
Anchor record
Edward Duffy
Head · 1940 · age 44 · b. ~1896 · Louisiana
★ 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 — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01419-00245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Martin | 44 | Head | Inspector | Mississippi |
| 2 | Josephine Martin | 45 | Wife | — | Louisiana |
| 3 | Clarence James Martin | 9 | Son | — | Louisiana |
| 4 | Sidney Schnable | 65 | Head | Bookkeeper | Louisiana |
| 5 | Edward Duffy THIS PERSON | 44 | Head | Electrical Engineer | Louisiana |
| 6 | Jessie G. Duffy | 39 | Wife | — | Alabama |
| 7 | Alma L. Duffy | 12 | Daughter | — | Louisiana |
| 8 | Mildred J. Duffy | 10 | Daughter | — | Louisiana |
| 9 | James C. Duffy | 7 | Son | — | Louisiana |
| 10 | Mary J. Duffy | 4 | Son | — | Louisiana |
| 11 | Mary Ehrhardt | 69 | Head | — | Louisiana |
| 12 | Miriam Ehrhardt | 29 | Daughter | Secretary | Louisiana |
| 13 | Giuseppe Collura | 63 | Head | — | Italy |
| 14 | Marie Collura | 53 | Wife | — | Italy |
| 15 | Michael Collura | 21 | Son | Salesman | Louisiana |
| 16 | Joseph Collura | 18 | Son | — | Louisiana |
| 17 | Linton J. Collura | 14 | Son | — | Louisiana |
| 18 | Jacinto Brookhoven | 43 | Head | Musician | Louisiana |
| 19 | Florence Brookhoven | 39 | Wife | — | Louisiana |
| 20 | Lucian J. Brookhoven | 17 | Son | — | Louisiana |
| 21 | Florence Brookhoven | 15 | Daughter | — | Louisiana |
| 22 | Alphonse Hihneman | 67 | Father-in-law | — | Louisiana |
| 23 | Katherine Hihneman | 63 | Mother-in-law | — | Louisiana |
| 24 | Camille Hihneman | 44 | Sister-in-law | Dipper | Louisiana |
| 25 | Albert Hihneman | 24 | Brother-in-law | General Office | Louisiana |
| 26 | Olga Tequina | 30 | Lodger | Packer | New York |
| 27 | Raymond De Roche | 30 | Head | Meter Inspector | Louisiana |
| 28 | Elsie De Roche | 31 | Wife | — | Louisiana |
| 29 | Raymond Jr. De Roche | 12 | Son | — | Louisiana |
| 30 | Thomas De Roche | 11 | Son | — | Louisiana |
| 31 | Eustachio Quintas | 52 | Head | Carpenter | Spain |
| 32 | Concepcion Quintas | 49 | Wife | Nurse | Mexico |
| 33 | Joseph Quintas | 21 | Son | Shipping Clerk | Louisiana |
| 34 | Amparo Quintas | 18 | Daughter | Net Worker | Louisiana |
| 35 | Charles H. Apple | 44 | Head | Civil Engineer | Illinois |
| 36 | Florence Apple | 37 | Wife | — | Mississippi |
| 37 | Lela Barnette | 41 | Head | Secretary | Louisiana |
| 38 | George X. Barnette | 23 | Son | Salesman | Louisiana |
| 39 | Jack Barnette | 20 | Son | Apprentice | Louisiana |
| 40 | Pearl Leftwich | 53 | Cousin | Granite Cutter | Louisiana |
Pedigree Summary
Edward
Gen 1 · 1 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)