KM
Katherine Murphy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Katherine Murphy across the 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 4-person household.
Age 43
b. ~1887
Female
Spouse
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1887 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| John Murphy | Son | — | 16 | ~1914 |
| David Murphy | Head | — | 43 | ~1887 |
| Mary Murphy | Daughter | — | 14 | ~1916 |
| Katherine Murphy | Spouse | — | 43 | ~1887 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 35
Suffolk, Massachusetts · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Katherine A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Spouse, age 43
Suffolk, Massachusetts · implied b. ~1887 — 4 household members
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 53
Suffolk-County, Massachusetts · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Katharine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Machine Operator |
| Industry | Chocolate factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 832 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Katherine 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
Katherine Murphy
Spouse · 1930 · age 43 · b. ~1887 · Massachusetts
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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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel953:0210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jennie Giuffre | 28 | Sister-in-law | Asst Paymaster | Massachusetts |
| 52 | Frank Daley | 32 | Head | Deputy Coll. | Massachusetts |
| 53 | Mary Daley | 61 | Mother | — | Northern Ireland |
| 54 | Margaret Daley | 26 | Sister | Operator | Massachusetts |
| 55 | Alice Daley | 24 | Sister | Operator | Massachusetts |
| 56 | Salvatore La Camera | 38 | Head | Barber | Italy |
| 57 | Katherine La Camera | 35 | Wife | — | Massachusetts |
| 58 | Marie La Camera | 6 | Daughter | — | Massachusetts |
| 59 | Katherine La Camera | 5 | Daughter | — | Massachusetts |
| 60 | Anthony La Camera | 3 | Son | — | Massachusetts |
| 61 | Margaret La Camera | 1 | Daughter | — | Massachusetts |
| 62 | Peter La Camera | 20 | Brother | Carpenter | Italy |
| 63 | Anthony La Camera | 64 | Father | — | Italy |
| 64 | Mary Casey | 76 | Head | — | Irish Free State |
| 65 | Mary M. Casey | 27 | Daughter | Stenographer | Massachusetts |
| 66 | Andrew Christie | 46 | Head | Waiter | Canada English |
| 67 | Catherine Christie | 49 | Wife | Waitress | Irish Free State |
| 68 | Gerald A. Barry | 29 | Lodger | Bus Driver | Massachusetts |
| 69 | Joseph T. Le Blanc | 25 | Head | Carpenter | Canada French |
| 70 | Ruth Le Blanc | 27 | Wife | — | Massachusetts |
| 71 | Francis J. Le Blanc | 1 | Son | — | Massachusetts |
| 72 | Felix Boisdeau | 27 | Boarder | Driver | Massachusetts |
| 73 | Charles E. Harmon | 27 | Head | Note Teller | Massachusetts |
| 74 | Annie H. Harmon | 25 | Wife | — | Scotland |
| 75 | Gloria A. Harmon | 5 | Daughter | — | Massachusetts |
| 76 | Shirley Harmon | 4 | Daughter | — | Massachusetts |
| 77 | Charles V. Mouzat | 59 | Head | Fisherman | Canada English |
| 78 | Eliza W. Mouzat | 47 | Wife | — | Canada English |
| 79 | George J. Mouzat | 23 | Son | Machinist | Canada English |
| 80 | James J. Finnegan | 33 | Head | Superintendent | Massachusetts |
| 81 | Mary W. Finnegan | 30 | Wife | — | Massachusetts |
| 82 | Thomas J. Finnegan | 3 | Son | — | Massachusetts |
| 83 | Mary T. Gillis | 66 | Head | — | Massachusetts |
| 84 | Mary G. Mccartney | 35 | Boarder | Cashier | Massachusetts |
| 85 | Earl A. Hill | 41 | Head | Janitor | Maine |
| 86 | Norma M. Hill | 36 | Wife | — | Canada English |
| 87 | Earl G. Hill | 15 | Son | — | Massachusetts |
| 88 | David J. Murphy | 43 | Head | Chief Draftsman | Massachusetts |
| 89 | Katherine Murphy THIS PERSON | 43 | Wife | — | Massachusetts |
| 90 | John J. Murphy | 16 | Son | — | Massachusetts |
| 91 | Mary K. Murphy | 14 | Daughter | — | Massachusetts |
| 92 | Charles J. Mccarthy | 54 | Head | Window Trimmer | Massachusetts |
| 93 | Mary J. Mccarthy | 44 | Wife | — | Massachusetts |
| 94 | Edward J. Mccarthy | 18 | Son | Clerk | Massachusetts |
| 95 | Leo J. Mccarthy | 15 | Son | — | Massachusetts |
| 96 | Paul F. Mccarthy | 4 | Son | — | Massachusetts |
| 97 | Albert J. Holland | 41 | Head | Salesman | Massachusetts |
| 98 | Anna E. Holland | 35 | Wife | — | Massachusetts |
| 99 | Alan J. Holland | 13 | Son | — | Massachusetts |
| 100 | Margaret Holland | 12 | Daughter | — | Massachusetts |
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)