RM
Richard Murphy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Richard Murphy across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Forrest & Roma — first a son (b.~1913), then head of a 5-person household.
Age 17
b. ~1913
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Murphy |
| Given Name | Richard P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1913 |
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 1930 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Helen Ryden | Other | — | 24 | ~1906 |
| Forrest Murphy | Head | — | 43 | ~1887 |
| Richard Murphy | Son | — | 17 | ~1913 |
| Winifred Murphy | Daughter | — | 11 | ~1919 |
| Roma Murphy | Spouse | — | 39 | ~1891 |
Census Appearances
1920
Polk, Iowa
Son, age 6
Polk, Iowa · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 17
Polk, Iowa · implied b. ~1913 — 5 household members
| Surname | Murphy |
| Given Name | Richard P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 27
Polk-County, Iowa · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | R. F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Manager |
| Industry | School Supplies |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 1800 |
| Highest Grade | C-5 |
| 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 Richard Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Forrest Murphy (~0.92 confidence) and mother Roma Murphy (~0.92 confidence) and mother Bess Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Forrest Murphy
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Roma Murphy
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Bess Murphy
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Murphy
Son · 1930 · age 17 · b. ~1913 · Iowa
★ You are viewing this record
Sibling
Winifred Murphy
Sibling · 1930 · age 11
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 — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel673:0807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Forrest L. Murphy | 43 | Head | Lumberman | Indiana |
| 2 | Roma L. Murphy | 39 | Wife | — | Iowa |
| 3 | Richard P. Murphy THIS PERSON | 17 | Son | — | Iowa |
| 4 | Winifred J. Murphy | 11 | Daughter | — | Iowa |
| 5 | Helen M. Ryden | 24 | Boarder | Waitress | Iowa |
| 6 | Louis A. Bleyk | 62 | Head | Owner | Iowa |
| 7 | Elizabeth W. Bleyk | 60 | Wife | — | Iowa |
| 8 | Elizabeth Ford | 22 | Lodger | Clerk | Iowa |
| 9 | Myron W. Draner | 62 | Head | Custodian | Vermont |
| 10 | Ziza M. Draner | 44 | Wife | — | Iowa |
| 11 | Gertrude L. Draner | 10 | Daughter | — | Iowa |
| 12 | Myron W. Draner | 7 | Son | — | Iowa |
| 13 | Fannie F. Irwin | 56 | Head | — | Iowa |
| 14 | Marjorie L. Irwin | 22 | Daughter | Secretary | Iowa |
| 15 | Guilla F. Munro | 29 | Daughter | Secretary | Iowa |
| 16 | Betty J. Munro | 7 | Granddaughter | — | Iowa |
| 17 | Daniel P. Runking | 68 | Head | Municipal Bond | Iowa |
| 18 | Anna Runking | 67 | Wife | — | Iowa |
| 19 | Hoyt C. Runking | 40 | Son | Promoter | Iowa |
| 20 | Hoyt X. Runking | 12 | Grandson | — | Iowa |
| 21 | Harold E. Morey | 43 | Head | Clerk | Illinois |
| 22 | Lucille C. Morey | 28 | Wife | — | Oregon |
| 23 | William L. Regan | 49 | Lodger | Dry Cleaner | Illinois |
| 24 | Nellie O. Regan | 46 | Lodger | — | Iowa |
| 25 | Carl R. Brown | 37 | Head | Accountant | Iowa |
| 26 | Grace F. Brown | 38 | Wife | — | Illinois |
| 27 | Kenneth E. Brown | 4 | Son | — | Iowa |
| 28 | Wallace A. Brown | 0 | Son | — | Iowa |
| 29 | Claude A. Patterson | 43 | Lodger | Teacher | Illinois |
| 30 | Miriam A. Wagner | 69 | Head | Contractor | Illinois |
| 31 | Rose Wagner | 65 | Wife | — | Illinois |
| 32 | Truman Nicholson | 52 | Head | Commercial | Iowa |
| 33 | Jeanette J. Nicholson | 47 | Wife | — | Indiana |
| 34 | James E. Bowers | 57 | Head | Office Manager | Iowa |
| 35 | Flora S. Bowers | 51 | Wife | — | Iowa |
| 36 | Gilbert S. Bowers | 23 | Son | Musician | Iowa |
| 37 | Milo S. Bowers | 19 | Son | — | Iowa |
| 38 | William Stakes | 36 | Lodger | — | Iowa |
| 39 | Marie E. Hawthorn | 46 | Head | Owner | Iowa |
| 40 | Charles W. Hawthorn | 26 | Son | — | Iowa |
| 41 | James C. Powell | 21 | Son | — | Tennessee |
| 42 | Edna M. Powell | 20 | Daughter | — | Tennessee |
| 43 | Charles O. Stoaks | 49 | Lodger | Manager | Iowa |
| 44 | Richard O. Stoaks | 23 | Lodger | Clerk | Iowa |
| 45 | Walter Stastney | 24 | Lodger | Laborer | Czechoslovakia |
| 46 | Carl J. Brehm | 34 | Head | Salesman | Iowa |
| 47 | Charlotte Brehm | 34 | Wife | — | Iowa |
| 48 | Carl J. Jr. Brehm | 5 | Son | — | Iowa |
| 49 | Jack B. Brehm | 2 | Son | — | Iowa |
| 50 | Florence Cherry | 31 | Lodger | — | Iowa |
Pedigree Summary
Richard + 1 sibling
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 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)