RF
Robert Fields — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Robert Fields across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 12-person household.
Age 1
b. ~1929
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Fields |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | New York |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Everett City |
| Est. Birth Year | ~1929 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| George Fields | Son | — | 7 | ~1923 |
| Paul Fields | Son | — | 5 | ~1925 |
| Ruth Fields | Daughter | — | 11 | ~1919 |
| William Fields | Son | — | 15 | ~1915 |
| William Fields | Son | — | ~1930 | |
| Robert Fields | Son | — | 1 | ~1929 |
| Lillian Fields | Daughter | — | 22 | ~1908 |
| Marion Fields | Daughter | — | 20 | ~1910 |
| Dorothy Fields | Daughter | — | 16 | ~1914 |
| Helen Fields | Daughter | — | 2 | ~1928 |
| George Fields | Head | — | 44 | ~1886 |
| Nellie Fields | Other | — | 41 | ~1889 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1929 — 12 household members
| Surname | Fields |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | New York |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 10
Middlesex-County, Massachusetts · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Field |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| 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 Robert Fields across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Fields
Son · 1930 · age 1 · b. ~1929 · Massachusetts
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Sibling
William Fields
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Fields
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Fields
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Fields
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Fields
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Fields
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Fields
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Fields
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Fields
Sibling · 1930 · age 16
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel918:0369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Louis T. Mccabe | 36 | Head | Manager | Canada English |
| 52 | Catherine C. Mccabe | 35 | Wife-H | — | Irish Free State |
| 53 | Edward T. Mccabe | 15 | Son | — | Massachusetts |
| 54 | John L. Mccabe | 14 | Son | — | Massachusetts |
| 55 | Mary L. Mccabe | 9 | Daughter | — | Massachusetts |
| 56 | Francis B. Mccabe | 4 | Son | — | Massachusetts |
| 57 | Vincent D. Mccabe | 2 | Son | — | Massachusetts |
| 58 | George I. Kendall | 45 | Head | Engineer | Maine |
| 59 | Sheila B. Kendall | 45 | Wife-H | — | Maine |
| 60 | Ralph E. Kendall | 18 | Son | — | Maine |
| 61 | Wendell W. Tobey | 19 | Nephew | Assembler | Maine |
| 62 | James J. Sheehy | 53 | Head | Laborer | Irish Free State |
| 63 | Catherine M. Sheehy | 52 | Wife-H | — | Irish Free State |
| 64 | Catherine M. Sheehy | 12 | Daughter | — | Massachusetts |
| 65 | Leslie F. Dunham | 25 | Head | Radio Ser. | Illinois |
| 66 | Anna Mae Dunham | 24 | Wife-H | — | Massachusetts |
| 67 | Leslie F. Jr. Dunham | 5 | Son | — | Massachusetts |
| 68 | James Cook | 46 | Head | Engineer | Italy |
| 69 | Teresa Cook | 40 | Wife-H | — | Italy |
| 70 | Ester M. Cook | 16 | Daughter | — | Massachusetts |
| 71 | Joseph Cook | 13 | Son | — | Massachusetts |
| 72 | Louis Yancey | 33 | Head | Clerk | Massachusetts |
| 73 | Mary F. Yancey | 21 | Wife-H | Clerk | Massachusetts |
| 74 | Doris M. Yancey | 1 | Daughter | — | Massachusetts |
| 75 | Hanna Herlihy | 69 | Head | — | Newfoundland |
| 76 | Irene T. Herlihy | 24 | Niece | Grad. Nurse | Newfoundland |
| 77 | James F. Herlihy | 18 | Nephew | — | Newfoundland |
| 78 | George E. Fields | 44 | Head | Dealer | Massachusetts |
| 79 | Nellie Fields | 41 | Wife-H | — | New York |
| 80 | Lillian A. Fields | 22 | Daughter | — | New York |
| 81 | Marion A. Fields | 20 | Daughter | Clerk | Massachusetts |
| 82 | Dorothy M. Fields | 16 | Daughter | — | Massachusetts |
| 83 | William F. Fields | 15 | Son | Messenger | Massachusetts |
| 84 | Ruth E. Fields | 11 | Daughter | — | Massachusetts |
| 85 | George E. Jr. Fields | 7 | Son | — | Massachusetts |
| 86 | Paul E. Fields | 5 | Son | — | Massachusetts |
| 87 | Helen E. Fields | 2 | Daughter | — | Massachusetts |
| 88 | Robert A. Fields THIS PERSON | 1 | Son | — | Massachusetts |
| 89 | William Fields | 0 | Son | — | Massachusetts |
| 90 | Margaret S. Dodds | 59 | Head-H | Saleslady | Scotland |
| 91 | Fred E. Dodds | 35 | Son | Actor | Massachusetts |
| 92 | Irene Edith M. Dodds | 17 | Daughter-in-law | — | Massachusetts |
| 93 | James Smallwood | 32 | Nephew | Carpenter | Scotland |
| 94 | Alice Marshall | 40 | Lodger | Teacher | Massachusetts |
| 95 | Mary E. Wither | 11 | Lodger | — | Massachusetts |
| 96 | Clifford J. Conrad | 40 | Head | Fireman | New York |
| 97 | Sadie M. Conrad | 40 | Wife-H | — | Massachusetts |
| 98 | Winifred J. Conrad | 13 | Daughter | Secretary | Massachusetts |
| 99 | Stanley J. Conrad | 12 | Son | — | Massachusetts |
| 100 | Alice B. Conrad | 72 | Mother | — | Canada English |
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)