HM
Helen Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Palo-Alto-County, Iowa
Our Model Tree links this Helen Murphy across the 1920, 1930 and 1940 US Censuses in Palo-Alto-County, Iowa (XGBoost, ~Confirmed), with identified parents Daniel & Bridget — first a spouse (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Palo-Alto-County, Iowa |
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Emmetsburg Twp |
| Est. Birth Year | ~1912 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Joan Murphy | Daughter | — | 4 | ~1936 |
| Barbara Murphy | Daughter | — | 2 | ~1938 |
| Mary Murphy | Daughter | — | 1 | ~1939 |
| Hildy Murphy | Head | — | 31 | ~1909 |
| Helen Murphy | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Palo Alto, …
Daughter, age 8
Palo Alto, Iowa · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Palo Alto, …
Daughter, age 18
Palo Alto, Iowa · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Palo-Alto-County, Iowa
Spouse, age 28
Palo-Alto-County, Iowa · implied b. ~1912 — 5 household members
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Highest Grade | H-4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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: father Daniel Murphy (~0.92 confidence) and mother Bridget Murphy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Murphy
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Bridget Murphy
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Murphy
Spouse · 1940 · age 28 · b. ~1912 · Iowa
★ 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 — Palo-Alto-County, Iowa
Open full size
1940 US Federal Census — Palo-Alto-County, Iowa
Page Contents
19 people indexed on this census page (nara:1940:m-t0627-01189-00147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alis Badger | 27 | Head | Farm Labor | Missouri |
| 2 | Rena Birkland | 41 | Head | Farmer | Wisconsin |
| 3 | Kenneth Birkland | 12 | son | — | Iowa |
| 4 | Bonnie Birkland | 3 | daughter | — | Iowa |
| 5 | Emmet Wilson | 31 | Lodger | Farm Labor | Wisconsin |
| 6 | Marion Gappa | 20 | daughter | School Teacher | Iowa |
| 7 | Elaine Gappa | 18 | daughter | — | Iowa |
| 8 | Shirley Gappa | 13 | daughter | — | Iowa |
| 9 | Mankin Boyd | 25 | Head | Farmer | Illinois |
| 10 | William Boyd | 64 | father | Farmer | Illinois |
| 11 | Mary Boyd | 67 | mother | — | Illinois |
| 12 | Hildy Murphy | 31 | Head | Farmer | Iowa |
| 13 | Helen Murphy THIS PERSON | 28 | wife | — | Iowa |
| 14 | Joan Murphy | 4 | daughter | — | Iowa |
| 15 | Barbara Murphy | 2 | daughter | — | Iowa |
| 16 | Mary Murphy | 1 | daughter | — | Iowa |
| 17 | Oscar Holmberg | 56 | Head | Farmer | Sweden |
| 18 | Emma Holmberg | 53 | wife | — | Sweden |
| 19 | Clive Jackson | 56 | Lodger | Tiler | Iowa |
Pedigree Summary
Helen
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)