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Harry Murphy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Harry Murphy across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 3-person household.
Age 29
b. ~1901
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Murphy |
| Given Name | Harry C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Tailor |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1400 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Tailor |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1901 |
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 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Murphy | Head | — | 29 | ~1901 |
| Allie Murphy | Spouse | — | 28 | ~1902 |
| Carroll Murphy | Daughter | — | 5 | ~1925 |
Census Appearances
1920
Polk, Iowa
Other, age 20
Polk, Iowa · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Harry |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Head, age 29
Polk, Iowa · implied b. ~1901 — 3 household members
| Surname | Murphy |
| Given Name | Harry C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Tailor |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1400 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Head, age 41
Polk-County, Iowa · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Henry, C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Wood work Finisher |
| Industry | Frame and Counter Works |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1500 |
| 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 Harry Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harry Murphy
Head · 1930 · age 29 · b. ~1901 · Iowa
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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
46 people indexed on this census page (ia:1930:iowacensus00reel677:0219)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harrison M Piper | 41 | Head | Porter | Iowa |
| 2 | Lois C Piper | 46 | Wife | — | Iowa |
| 3 | Raymond Piper | 19 | Son | Clerk | Iowa |
| 4 | Earl W Piper | 16 | Son | — | Iowa |
| 5 | Evelyn J Piper | 12 | Daughter | — | Iowa |
| 6 | Edward L Piper | 10 | Son | — | Iowa |
| 7 | Nelson A Piper | 6 | Son | — | Iowa |
| 8 | Ann Piper | 4 | Daughter | — | Iowa |
| 9 | Ethel M Piper | 1 | Daughter | — | Iowa |
| 10 | Harry E Haus | 21 | Head | Sorter | Iowa |
| 11 | Evelyn Haus | 20 | Wife | Inspector | Iowa |
| 12 | Leroy Haus | 1 | Son | — | Iowa |
| 13 | Carl C Doolittle | 43 | Head | Repairer | Iowa |
| 14 | Iona B Doolittle | 42 | Wife | — | Iowa |
| 15 | Lloyd C Doolittle | 22 | Son | Operator | Iowa |
| 16 | Margaret Doolittle | 20 | Daughter | — | Iowa |
| 17 | Martha Doolittle | 14 | Daughter | — | Iowa |
| 18 | Ruth Doolittle | 11 | Daughter | — | Iowa |
| 19 | Doris Doolittle | 8 | Daughter | — | Iowa |
| 20 | Mary Doolittle | 5 | Daughter | — | Iowa |
| 21 | Lois Doolittle | 2 | Daughter | — | Iowa |
| 22 | Anna Mclaughlin | 69 | Head | — | New York |
| 23 | Anna Terry | 59 | Head | — | Pennsylvania |
| 24 | Mildred Terry | 21 | Daughter | Packer | Kansas |
| 25 | Robert H Jenkins | 20 | Head | Printer | Iowa |
| 26 | Lucile Jenkins | 20 | Wife | Stenographer | Iowa |
| 27 | Harry Nottingham | 46 | Head | Metal Worker | New York |
| 28 | Iva Nottingham | 46 | Wife | — | Iowa |
| 29 | Alice Nottingham | 14 | Daughter | — | Iowa |
| 30 | Ray B Ryan | 37 | Head | Brakeman | Iowa |
| 31 | Goldie Ryan | 26 | Wife | — | Iowa |
| 32 | Robert Ryan | 5 | Son | — | Iowa |
| 33 | Richard Ryan | 2 | Son | — | Iowa |
| 34 | Harold Ryan | 0 | Son | — | Iowa |
| 35 | Harry C Murphy THIS PERSON | 29 | Head | Tailor | Iowa |
| 36 | Allie Murphy | 28 | Wife | — | Iowa |
| 37 | Carroll M Murphy | 5 | Daughter | — | Iowa |
| 38 | Everett Balmer | 34 | Head | Mechanic | Iowa |
| 39 | Nellie Balmer | 34 | Wife | — | Iowa |
| 40 | Gustaf Johnson | 26 | Head | Cabinet Maker | Sweden |
| 41 | Ester Johnson | 26 | Wife | — | Sweden |
| 42 | Einar Johnson | 5 | Son | — | Iowa |
| 43 | Mary A Johnson | 2 | Daughter | — | Iowa |
| 44 | Eleanor Johnson | 1 | Daughter | — | Iowa |
| 45 | Charles Peterson | 57 | Head | Laborer | Sweden |
| 46 | Cordelia Peterson | 58 | Wife | Pastor | Iowa |
Related Census Records
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)