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Francis Murphy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Iowa
Our Model Tree links this Francis Murphy across the 1920, 1930 and 1940 US Censuses in Hamilton, Iowa (XGBoost, ~Confirmed), with identified parents Frances & Frank — first a son (b.~1906), then head of a 8-person household.
Age 24
b. ~1906
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Iowa |
| Surname | Murphy |
| Given Name | Francis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Rhode Island |
| Additional Details | |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Blairsburg Township |
| Est. Birth Year | ~1906 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Laura Murphy | Daughter | — | 14 | ~1916 |
| Dolores Murphy | Daughter | — | 12 | ~1918 |
| Frances Murphy | Head | — | 57 | ~1873 |
| Harry Murphy | Son | — | 21 | ~1909 |
| Arthur Murphy | Son | — | 32 | ~1898 |
| Francis Murphy | Son | — | 24 | ~1906 |
| John Murphy | Son | — | 18 | ~1912 |
| Mary Murphy | Spouse | — | 55 | ~1875 |
Census Appearances
Son, age 13
Hamilton, Iowa · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Frances |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Rhode Island |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Hamilton, Iowa
Son, age 24
Hamilton, Iowa · implied b. ~1906 — 8 household members
| Surname | Murphy |
| Given Name | Francis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Rhode Island |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Son, age 34
Hamilton-County, Iowa · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Blairsburg |
| 1935 Residence (County) | Hamilton |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Francis Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frances Murphy (~0.92 confidence) and father Frank Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence) and father William Greufe (~0.60 confidence) and mother Francis Greufe (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Father
Frances Murphy
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Frank Murphy
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
William Greufe
b. ~1894
Source father
● Household
· direct · ~0.6
Mother
Francis Greufe
b. ~1904
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Francis Murphy
Son · 1930 · age 24 · b. ~1906 · Iowa
★ You are viewing this record
Sibling
Laura Murphy
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Murphy
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Murphy
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Murphy
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Murphy
Sibling · 1930 · age 12
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
1930 US Federal Census — Hamilton, Iowa
Open full size
1930 US Federal Census — Hamilton, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel657:0148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wyatt E. Lyon | 47 | Head | Farmer | Iowa |
| 2 | Leda W. Lyon | 44 | Wife | — | Iowa |
| 3 | Mary E. Lyon | 17 | Daughter | — | Iowa |
| 4 | Harold E. Lyon | 16 | Son | — | Iowa |
| 5 | Donald M. Lyon | 14 | Son | — | Iowa |
| 6 | Ethel J. Lyon | 11 | Daughter | — | Iowa |
| 7 | Robert W. Lyon | 8 | Son | — | Iowa |
| 8 | Doris L. Lyon | 4 | Daughter | — | Iowa |
| 9 | Lester L. Berogan | 55 | Head | Farmer | Kansas |
| 10 | Maggie M. Berogan | 49 | Wife | — | Illinois |
| 11 | Ellis A. Berogan | 21 | Daughter | — | Iowa |
| 12 | Mildred M. Berogan | 18 | Daughter | — | Iowa |
| 13 | Mark L. Berogan | 15 | Son | — | Iowa |
| 14 | Amanda E. Evans | 75 | Mother-in-law | — | Missouri |
| 15 | Bryan Griffin | 31 | Head | Farmer | Illinois |
| 16 | Mary M. Griffin | 29 | Wife | — | Iowa |
| 17 | Ruth A. Griffin | 9 | Daughter | — | Iowa |
| 18 | Cathryn A. Griffin | 4 | Daughter | — | Iowa |
| 19 | Lee E. Griffin | 0 | Son | — | Iowa |
| 20 | Clinton Doolittle | 27 | Laborer | Laborer | Iowa |
| 21 | Clifford A. Barr | 33 | Head | Farmer | Illinois |
| 22 | Susie M. Barr | 34 | Wife | — | Iowa |
| 23 | Merl D. Barr | 6 | Son | — | Iowa |
| 24 | John H. Hutchinson | 77 | Head | — | Ohio |
| 25 | Amanda A. Hutchinson | 64 | Wife | — | Sweden |
| 26 | Henry V. Hutchinson | 37 | Son | Farmer | Iowa |
| 27 | Joseph Lamble | 42 | Head | Farmer | France |
| 28 | Alice Lamble | 42 | Wife | — | France |
| 29 | Paula J. Lamble | 7 | Daughter | — | Iowa |
| 30 | Mildred M. Lamble | 4 | Daughter | — | Iowa |
| 31 | Henry A. Venner | 28 | Head | Farmer | Iowa |
| 32 | Reva A. Venner | 23 | Wife | — | Iowa |
| 33 | Eleanor A. Venner | 1 | Daughter | — | Iowa |
| 34 | John A. Schroder | 49 | Head | Farmer | Iowa |
| 35 | Pauline M. Schroder | 50 | Wife | — | Iowa |
| 36 | Leo J. Schroder | 19 | Son | Laborer | Iowa |
| 37 | Dorothy M. Schroder | 12 | Daughter | — | Iowa |
| 38 | Lyle W. Schroder | 24 | Head | Farmer | Iowa |
| 39 | Harold H. Schroder | 23 | Brother | Laborer | Iowa |
| 40 | Frances P. Murphy | 57 | Head | Farmer | Illinois |
| 41 | Mary E. Murphy | 55 | Wife | — | Rhode Island |
| 42 | Arthur M. Murphy | 32 | Son | Laborer | Iowa |
| 43 | Francis J. Murphy THIS PERSON | 24 | Son | Laborer | Iowa |
| 44 | Harry J. Murphy | 21 | Son | Laborer | Iowa |
| 45 | John J. Murphy | 18 | Son | Laborer | Iowa |
| 46 | Laura B. Murphy | 14 | Daughter | — | Iowa |
| 47 | Dolores S. Murphy | 12 | Daughter | — | Iowa |
| 48 | William P. Breitenkamp | 32 | Head | Farmer | Iowa |
| 49 | Minnie P. Breitenkamp | 29 | Wife | — | Iowa |
| 50 | Ray E. Hutchinson | 41 | Lodger | Laborer | Iowa |
Related Census Records
Pedigree Summary
Francis + 5 siblings
Gen 1 · 5 parents
~0.79
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)