CS
Clarence Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Clarence Smith across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1909), then head of a 10-person household.
Age 21
b. ~1909
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Smith |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada-English |
| Additional Details | |
| Occupation | Laborer |
| Industry | Pipe factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Wakefield Town Pt |
| Est. Birth Year | ~1909 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Ursula Smith | Daughter | — | 18 | ~1912 |
| Laura Smith | Daughter | — | 11 | ~1919 |
| Frank Smith | Head | — | 46 | ~1884 |
| Elizabeth Smith | Other | — | 46 | ~1884 |
| Arthur Smith | Son | — | 13 | ~1917 |
| George Smith | Son | — | 7 | ~1923 |
| Kenneth Smith | Son | — | 15 | ~1915 |
| Frank Smith | Son | — | 16 | ~1914 |
| Edward Smith | Son | — | 9 | ~1921 |
| Clarence Smith | Son | — | 21 | ~1909 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada Fr |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 10
Middlesex, Massachusetts · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Clarence B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1909 — 10 household members
| Surname | Smith |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada-English |
| Occupation | Laborer |
| Industry | Pipe factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Clarence Smith across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Frank Smith (~0.92 confidence) and father Frank Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Smith
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Smith
Son · 1930 · age 21 · b. ~1909 · Massachusetts
★ You are viewing this record
Sibling
Frank Smith
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Smith
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ursula Smith
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Smith
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Smith
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Smith
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Smith
Sibling · 1930 · age 13
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:massachusettscensus00reel929:0892)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Irene Pothier | 38 | Roomer | Stitcher | Canada-English |
| 52 | Maude Pothier | 36 | Roomer | Stitcher | Canada-English |
| 53 | Jessica Hsieh | 23 | Roomer | Nurse | Massachusetts |
| 54 | Mary Kelly | 87 | Head | — | Irish Free State |
| 55 | Mary E. Kelly | 66 | Daughter | — | Massachusetts |
| 56 | Katherine Kelly | 56 | Daughter | Teacher | Massachusetts |
| 57 | Frank L. Smith | 46 | Head | Woodworker | Massachusetts |
| 58 | Elizabeth Smith | 46 | Wife-H | — | Canada-English |
| 59 | Clarence Smith THIS PERSON | 21 | Son | Laborer | Massachusetts |
| 60 | Ursula Smith | 18 | Daughter | House Maid | Massachusetts |
| 61 | Frank Smith | 16 | Son | Woodworker | Massachusetts |
| 62 | Kenneth Smith | 15 | Son | — | Massachusetts |
| 63 | Arthur Smith | 13 | Son | — | Massachusetts |
| 64 | Laura Smith | 11 | Daughter | — | Massachusetts |
| 65 | Edward Smith | 9 | Son | — | Massachusetts |
| 66 | George R. Smith | 7 | Son | — | Massachusetts |
| 67 | Louis De Cecca | 30 | Head | Laborer | Massachusetts |
| 68 | Bertha De Cecca | 26 | Wife-H | — | Massachusetts |
| 69 | James Herrick | 27 | Head | Salesman | Massachusetts |
| 70 | Mary Herrick | 29 | Wife-H | — | Massachusetts |
| 71 | Grace Herrick | 4 | Daughter | — | Massachusetts |
| 72 | Anna Webb | 30 | Head | Telephone Oper. | Canada-English |
| 73 | Leonora Webb | 26 | Sister | Stitcher | Canada-English |
| 74 | Bridget Webb | 22 | Sister | Tagger | Canada-English |
| 75 | John F. Mahoney | 53 | Head | Inspector | Massachusetts |
| 76 | Nora G. Mahoney | 50 | Wife-H | — | Massachusetts |
| 77 | John F. Jr. Mahoney | 18 | Son | — | Massachusetts |
| 78 | Alice F. Mahoney | 17 | Daughter | — | Massachusetts |
| 79 | William Mahoney | 11 | Son | — | Massachusetts |
| 80 | John J. Harrington | 55 | Brother-in-law | Upholsterer | Massachusetts |
| 81 | Daniel E. Harrington | 47 | Brother-in-law | Railway Mail | Massachusetts |
| 82 | Frank W. Seabury | 60 | Head | Painter | Maine |
| 83 | Catherine Seabury | 55 | Wife-H | — | Canada-English |
| 84 | Howard W. Seabury | 25 | Son | Meter Reader | Massachusetts |
| 85 | John J. Seabury | 23 | Son | Lineman | Massachusetts |
| 86 | George F. Dyer | 53 | Head | Core Maker | Connecticut |
| 87 | Sabina Dyer | 40 | Wife-H | — | Irish Free State |
| 88 | John F. Dyer | 22 | Son | Civil Engineer | Massachusetts |
| 89 | Elizabeth Dyer | 74 | Mother | — | Irish Free State |
| 90 | John Lynch | 47 | Head | Fireman-Stationary | Irish Free State |
| 91 | Mary Lynch | 53 | Wife-H | — | Massachusetts |
| 92 | William Lynch | 12 | Son | — | Irish Free State |
| 93 | Timothy Ingerton | 31 | Step-son | Stitcher | Irish Free State |
| 94 | David Ingerton | 27 | Step-son | Laborer | Massachusetts |
| 95 | William Ingerton | 24 | Step-son | Clerk-Office | Massachusetts |
| 96 | Garrett Higgins | 56 | Brother-in-law | Laborer | Massachusetts |
| 97 | George E. Halloran | 30 | Head | Electrical Operator | Massachusetts |
| 98 | Margaret M. Halloran | 30 | Wife-H | — | Massachusetts |
| 99 | Richard E. Halloran | 4 | Son | — | Massachusetts |
| 100 | William J. Halloran | 2 | Son | — | Massachusetts |
Pedigree Summary
Clarence + 7 siblings
Gen 1 · 4 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)