CT
Clara Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, New York
Our Model Tree links this Clara Thomas across the 1930 and 1940 US Censuses in Suffolk-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, New York |
| Surname | Thomas |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | St. James |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | St James |
| Est. Birth Year | ~1921 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Clara Thomas | Daughter | — | 19 | ~1921 |
| Lillian Thomas | Daughter | — | 21 | ~1919 |
| Evelyn Thomas | Daughter | — | 17 | ~1923 |
| Helen Thomas | Daughter | — | 18 | ~1922 |
| Alfred Thomas | Head | — | 52 | ~1888 |
| Alfred Thomas | Son | — | 24 | ~1916 |
| Rose Thomas | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Suffolk, New …
Daughter, age 9
Suffolk, New York · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Germany |
| Mother's Birthplace | New Jersey |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Suffolk-County, New …
Daughter, age 19
Suffolk-County, New York · implied b. ~1921 — 7 household members
| Surname | Thomas |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | St. James |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Clara Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clara Thomas
Daughter · 1940 · age 19 · b. ~1921 · New York
★ You are viewing this record
Sibling
Helen Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Thomas
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Thomas
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Thomas
Sibling · 1940 · age 17
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
1940 US Federal Census — Suffolk-County, New York
Open full size
1940 US Federal Census — Suffolk-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02788-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | August Herbert | 53 | Head | Clergyman | New York |
| 42 | Eleanor Herbert | 52 | Wife | — | Missouri |
| 43 | Paul Herbert | 14 | Son | — | New York |
| 44 | J. Joseph Herbert | 84 | Father | — | Germany |
| 45 | Charles Martin | 58 | Head | Carpenter | New York |
| 46 | Mary E. Martin | 55 | Wife | — | New York |
| 47 | George Martin | 34 | Son | Draftsman | New York |
| 48 | Dorothy C. Martin | 25 | Daughter | Teacher | New York |
| 49 | George Bailey | 11 | Boarder | — | New York |
| 50 | William Howell | 35 | Head | Proprietor | New York |
| 51 | Evelyn D. Howell | 31 | Wife | — | New York |
| 52 | Charles Howell | 59 | Father-in-law | Laborer | New York |
| 53 | Joseph A. Wolf | 31 | Head | Proprietor | New York |
| 54 | Doris G. Wolf | 27 | Wife | — | Massachusetts |
| 55 | Robert Wolf | 2 | Son | — | New York |
| 56 | Richard Wolf | 1 | Son | — | New York |
| 57 | Annie Wolf | 65 | Head | — | New York |
| 58 | Gertie Anna Wolf | 18 | Daughter | — | New York |
| 59 | Christ Dergesen | 36 | Head | Carpenter | New York |
| 60 | Edna Dergesen | 42 | Wife | — | New York |
| 61 | Matilda Hess | 50 | Head | — | Germany |
| 62 | Edward Hess | 20 | Brother | Laborer | New York |
| 63 | William Welsch | 63 | Head | Policeman | New York |
| 64 | Mary Welsch | 63 | Wife | — | New York |
| 65 | Carl M. Erikson | 61 | Head | Mason | Norway |
| 66 | Grace Erikson | 49 | Wife | — | New Jersey |
| 67 | Cabreda Erikson | 17 | Daughter | — | New Jersey |
| 68 | Alfred Thomas | 52 | Head | — | Germany |
| 69 | Rose Thomas | 44 | Wife | Laundress | New Jersey |
| 70 | Alfred Jr. Thomas | 24 | Son | Carpenter | New York |
| 71 | Lillian Thomas | 21 | Daughter | Laundress | New York |
| 72 | Clara Thomas THIS PERSON | 19 | Daughter | — | New York |
| 73 | Helen Thomas | 18 | Daughter | — | New York |
| 74 | Evelyn Thomas | 17 | Daughter | — | New York |
| 75 | Thomas Brennan | 62 | Head | Trucking | New York |
| 76 | Caroline A. Brennan | 45 | Wife | Attendant | New York |
| 77 | Thomas Brennan | 22 | Son | Deputy Sheriff | New York |
| 78 | Edward Brennan | 19 | Son | Laborer | New York |
| 79 | Sigmund Lebelinski | 50 | Head | Cabinet Maker | Russia |
| 80 | Bertha Lebelinski | 52 | Wife | — | Russia |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)