HM
Helen Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Helen Murphy across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Mary & John — first a daughter (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Private Secretary |
| Industry | Hospital Staff |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2311 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Private Secretary |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1910 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Murphy | Daughter | — | 30 | ~1910 |
| John Murphy | Head | — | 55 | ~1885 |
| Mary Murphy | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 10
Wayne, Michigan · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 20
Wayne, Michigan · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 30
Wayne-County, Michigan · implied b. ~1910 — 3 household members
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Private Secretary |
| Industry | Hospital Staff |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2311 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Helen Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
John Murphy
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Murphy
Daughter · 1940 · age 30 · b. ~1910 · Michigan
★ 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01851-01041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Ludwig | 79 | mother | — | Germany |
| 2 | Edward B. Hastings | 62 | Head | Public School Teacher | Michigan |
| 3 | Margaret Hastings | 55 | Wife | — | Michigan |
| 4 | Virginia Hastings | 22 | Daughter | Public School Teacher | Michigan |
| 5 | Edward Hastings | 15 | Son | — | Michigan |
| 6 | John Murphy | 55 | Head | Wholesale Broker | Michigan |
| 7 | Mary F. Murphy | 57 | Wife | — | Michigan |
| 8 | Helen Murphy THIS PERSON | 30 | Daughter | Private Secretary | Michigan |
| 9 | Horace J. Haber | 32 | Head | Blue Print | Tennessee |
| 10 | Lillian M. Haber | 30 | Wife | — | Michigan |
| 11 | Jonathan J. Haber | 3 | Son | — | Michigan |
| 12 | Sol Selik | 29 | Head | Photographer | Michigan |
| 13 | Mae Selik | 29 | Wife | — | Canada English |
| 14 | Burton Edward Selik | 1 | Son | — | Michigan |
| 15 | Esther Roth | 59 | Mother-in-law | — | Russia |
| 16 | Saul Roth | 37 | Brother-in-law | Manufacturer | Canada English |
| 17 | Morris Roth | 32 | Brother-in-law | Chemist | Canada English |
| 18 | Edward S. Weinberg | 29 | Head | Die Setter | Michigan |
| 19 | Janet Weinberg | 22 | Wife | — | Michigan |
| 20 | Marilyn Weinberg | 2 | Daughter | — | Michigan |
| 21 | Nathan Pearlman | 27 | Lodger | — | Poland |
| 22 | Michael A. Boe | 54 | Head | Statistician | Indiana |
| 23 | Bessie S. Boe | 52 | Wife | — | Kansas |
| 24 | Miriam A. Boe | 22 | Daughter | Bookkeeper | Indiana |
| 25 | Myrtle Bergman | 51 | Head | Saleslady | Michigan |
| 26 | Clifford E. Coon | 57 | Head | Credit Manager | Missouri |
| 27 | Margaret R. Coon | 53 | Wife | — | Indiana |
| 28 | Ralph W. Bargan | 33 | Son | Assembly Man | Indiana |
| 29 | Jerry Maroni | 52 | Head | Shearer | Italy |
| 30 | Anna Maroni | 48 | Wife | — | Italy |
| 31 | William Vinton | 57 | Head | Caretaker | England |
| 32 | Margaret Vinton | 61 | Wife | — | Michigan |
| 33 | Francis L. Smith | 26 | Head | Mechanic | Michigan |
| 34 | Anna M. Smith | 27 | Wife | — | Washington |
| 35 | Barbara Ann Smith | 5 | Daughter | — | Michigan |
| 36 | Joseph A. Erickson | 41 | Head | Fireman | Michigan |
| 37 | Jessie Erickson | 25 | Wife | — | Canada English |
| 38 | Ardith Erickson | 4 | Daughter | — | Michigan |
| 39 | Walter H. Wilson | 52 | Head | Manager | Michigan |
| 40 | Elizabeth Wilson | 51 | Wife | — | Canada English |
Pedigree Summary
Helen
Gen 1 · 3 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)