TM
Thelma Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Thelma Martin across the 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 9-person household.
Age 17
b. ~1913
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Dressmaker |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Dressmaker |
| Township / Ward | Marblehead Town |
| Est. Birth Year | ~1913 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Emma Martin | Daughter | — | 23 | ~1907 |
| Paul Martin | Son | — | 17 | ~1913 |
| Elizabeth Martin | Daughter | — | 12 | ~1918 |
| Doris Martin | Daughter | — | 14 | ~1916 |
| Julia Martin | Spouse | — | 53 | ~1877 |
| Thelma Martin | Daughter | — | 17 | ~1913 |
| Knott Martin | Son | — | 30 | ~1900 |
| Knott Martin | Head | — | 56 | ~1874 |
| Louise Martin | Daughter | — | 19 | ~1911 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 6
Essex, Massachusetts · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 17
Essex, Massachusetts · implied b. ~1913 — 9 household members
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Dressmaker |
| Industry | Private Family |
| 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 Thelma Martin across 2 US Census years (1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Martin
Daughter · 1930 · age 17 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
Louise Martin
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Knott Martin
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Martin
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Martin
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Martin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Martin
Sibling · 1930 · age 14
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 — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel901:0134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marjorie D Hamson | 13 | Daughter | — | Massachusetts |
| 2 | Richard B Hamson | 12 | Son | — | Massachusetts |
| 3 | Arthur G Hamson | 10 | Son | — | Massachusetts |
| 4 | Esther G Hamson | 9 | Daughter | — | Massachusetts |
| 5 | Phyllis D Hamson | 4 | Daughter | — | Massachusetts |
| 6 | Edward I Hedges | 57 | Head | Carpenter | Massachusetts |
| 7 | Rosemond C Hedges | 54 | Wife | — | New York |
| 8 | Milton O Hedges | 27 | Son | Architect | Massachusetts |
| 9 | George H Hickey | 70 | Head | — | Massachusetts |
| 10 | Sarah E Hickey | 68 | Wife | — | Massachusetts |
| 11 | Martha I Hickey | 46 | Daughter | Bookkeeper | Massachusetts |
| 12 | Helen S Hickey | 31 | Daughter | Clerk | Massachusetts |
| 13 | William H Duggan | 37 | Head | Gardener | Massachusetts |
| 14 | Mary E Duggan | 29 | Wife | — | New Hampshire |
| 15 | William L Duggan | 8 | Son | — | Massachusetts |
| 16 | Nathaniel H Perry | 67 | Head | Laborer | Massachusetts |
| 17 | Mary Perry | 66 | Wife | — | Massachusetts |
| 18 | George G Eustis | 31 | Head | Auto Driving | Massachusetts |
| 19 | Mildred A Eustis | 31 | Wife | — | Massachusetts |
| 20 | Ada E Urquhart | 27 | Boarder | Secretary | Canada English |
| 21 | James K Eustis | 52 | Head | Auto Driving | Massachusetts |
| 22 | Anna M Eustis | 53 | Wife | — | Massachusetts |
| 23 | Wm J Goldthwaite | 58 | Head | Builder | Massachusetts |
| 24 | Adelaide P Goldthwaite | 47 | Wife | — | Massachusetts |
| 25 | Marion E Bracey | 44 | Head | — | Massachusetts |
| 26 | Margaret M Cummings | 24 | Servant | Servant | Irish Free State |
| 27 | Patrick H Ross | 60 | Head | Laborer | Massachusetts |
| 28 | Catherine A Ross | 53 | Wife | — | Scotland |
| 29 | William D Ross | 13 | Son | — | Massachusetts |
| 30 | Edward J Walsh | 32 | Head | Chauffeur | Massachusetts |
| 31 | Rose E Walsh | 31 | Wife | — | Massachusetts |
| 32 | Knott V Martin | 56 | Head | Milk Dealer | Massachusetts |
| 33 | Julia Martin | 53 | Wife | — | Massachusetts |
| 34 | Knott V Martin | 30 | Son | Gardener | Massachusetts |
| 35 | Emma J Martin | 23 | Daughter | Servant | Massachusetts |
| 36 | Louise G Martin | 19 | Daughter | Bookkeeper | Massachusetts |
| 37 | Paul Martin | 17 | Son | — | Massachusetts |
| 38 | Thelma Martin THIS PERSON | 17 | Daughter | Dressmaker | Massachusetts |
| 39 | Doris E Martin | 14 | Daughter | — | Massachusetts |
| 40 | Elizabeth M Martin | 12 | Daughter | — | Massachusetts |
| 41 | Arthur A Barrett | 41 | Head | — | Massachusetts |
| 42 | Edward L Barrett | 15 | Son | — | Massachusetts |
| 43 | Eleanor L Barrett | 9 | Daughter | — | Massachusetts |
| 44 | Sarah L Sears | 61 | Aunt | — | Massachusetts |
| 45 | John J Monsen | 36 | Head | Manager | Massachusetts |
| 46 | Gertrude N Monsen | 33 | Wife | — | Massachusetts |
| 47 | Edward J Monsen | 13 | Son | — | Massachusetts |
| 48 | Helen G Monsen | 12 | Daughter | — | Massachusetts |
| 49 | Doris J Monsen | 10 | Son | — | Massachusetts |
| 50 | Harry N Monsen | 5 | Son | — | Massachusetts |
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)