RT
Ralph Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Ralph Thompson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 3-person household.
Age 52
b. ~1878
Male
Head
Born: Maine
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Thompson |
| Given Name | Ralph C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 24 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Commercial Traveler |
| Industry | Kitchen Ware |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 48 |
| Radio Set | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Commercial Traveler |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1878 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Thompson | Son | — | 13 | ~1917 |
| Kathryn Thompson | Spouse | — | 50 | ~1880 |
| Ralph Thompson | Head | — | 52 | ~1878 |
Census Appearances
1910
Middlesex, Massachusetts
Head, age 30
Middlesex, Massachusetts · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maine |
| Years Married | 1 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Pattern maker |
| Industry | Machine shop |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1920
Middlesex, Massachusetts
Head, age 42
Middlesex, Massachusetts · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Commercial Traveler |
| Industry | Hats |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Head, age 52
Middlesex, Massachusetts · implied b. ~1878 — 3 household members
| Surname | Thompson |
| Given Name | Ralph C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 24 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Commercial Traveler |
| Industry | Kitchen Ware |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 48 |
| Radio Set | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Ralph Thompson across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Ralph Thompson
Head · 1930 · age 52 · b. ~1878 · 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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel928:0859)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matilda Daniels | 41 | Wife | — | Massachusetts |
| 2 | Warren S Daniels | 17 | Son | — | Massachusetts |
| 3 | Doris M Daniels | 15 | Daughter | — | Massachusetts |
| 4 | Alice Daniels | 12 | Daughter | — | Massachusetts |
| 5 | Ralph C Thompson THIS PERSON | 52 | Head | Commercial Traveler | Maine |
| 6 | Kathryn J Thompson | 50 | Wife | — | Massachusetts |
| 7 | Ralph C Jr Thompson | 13 | Son | — | Massachusetts |
| 8 | Paul E Parsons | 41 | Head | Machinist | Massachusetts |
| 9 | Jane T Parsons | 41 | Wife | — | Massachusetts |
| 10 | Paul H Parsons | 23 | Son | Chauffeur | Massachusetts |
| 11 | Clara K Parsons | 14 | Daughter | — | Massachusetts |
| 12 | Patrick J Nolan | 63 | Head | Stock Man | Irish Free State |
| 13 | Celia F Nolan | 47 | Wife | — | Massachusetts |
| 14 | John Nolan | 27 | Son | Salesman | Massachusetts |
| 15 | Mary C Nolan | 25 | Daughter | Clerical Work | Massachusetts |
| 16 | William H Nolan | 23 | Son | Paymaster | Massachusetts |
| 17 | Charles J Nolan | 19 | Son | Machine Tender | Massachusetts |
| 18 | Francis J Nolan | 18 | Son | Machine Tender | Massachusetts |
| 19 | Celia Nolan | 15 | Daughter | — | Massachusetts |
| 20 | Edgar H Nolan | 12 | Son | — | Massachusetts |
| 21 | Eleanor L Nolan | 8 | Daughter | — | Massachusetts |
| 22 | Clara Nolan | 5 | Daughter | — | Massachusetts |
| 23 | David Rosenberg | 30 | Head | Proprietor | England |
| 24 | Jennie Rosenberg | 27 | Wife | — | England |
| 25 | Libbie Rosenberg | 3 | Daughter | — | Massachusetts |
| 26 | Louis A Rosenberg | 1 | Son | — | Massachusetts |
| 27 | George H Movers | 72 | Head | — | New York |
| 28 | Mary A Movers | 75 | Wife | — | New York |
| 29 | William J Simpson | 46 | Head | Salesman | Massachusetts |
| 30 | Charlotte Simpson | 33 | Wife | — | Massachusetts |
| 31 | James L King | 45 | Head | Foreman | Vermont |
| 32 | Mildred King | 36 | Wife | — | Massachusetts |
| 33 | Edgar C King | 22 | Son | Salesman | New Hampshire |
| 34 | Alfred H King | 21 | Son | — | New Hampshire |
| 35 | Russell King | 8 | Son | — | Massachusetts |
| 36 | Louis G Taylor | 52 | Head | Master Mechanic | Massachusetts |
| 37 | Ruth E Taylor | 50 | Wife | — | Massachusetts |
| 38 | Ivan Taylor | 20 | Son | Salesman | Massachusetts |
| 39 | Raymond A Taylor | 19 | Son | — | Massachusetts |
| 40 | Ida C Fisher | 64 | Head | — | Canada English |
| 41 | Walter E Davis | 55 | Brother | Moulder | Vermont |
| 42 | Lizzie M Davis | 69 | Sister | — | New York |
| 43 | John E Macdonald | 47 | Head | Engineer | Massachusetts |
| 44 | Agnes J Macdonald | 42 | Wife | — | Massachusetts |
| 45 | John E Jr Macdonald | 17 | Son | — | Massachusetts |
| 46 | Robert C Macdonald | 16 | Daughter | — | Massachusetts |
| 47 | Constance Macdonald | 13 | Daughter | — | Massachusetts |
| 48 | Marguerite L Macdonald | 9 | Daughter | — | Massachusetts |
| 49 | Katherine Macdonald | 6 | Daughter | — | Massachusetts |
| 50 | James F Macdonald | 4 | Son | — | 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)