GC
Gertrude Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Gertrude Clark across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edmund & Edmund — first a daughter (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Female
Daughter
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Clark |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Practical Nurse |
| Industry | Rest Home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Practical Nurse |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1906 |
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 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Trevie Clark | Head | — | 62 | ~1878 |
| Clyde Luce | Other | — | 50 | ~1890 |
| Gertrude Clark | Daughter | — | 34 | ~1906 |
Census Appearances
1920
Worcester, Massachusetts
Daughter, age 14
Worcester, Massachusetts · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Hampshire |
| Can Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Worcester, Massachusetts
Daughter, age 24
Worcester, Massachusetts · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Gertrude E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Hampshire |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Worcester-County, Massachusetts
Daughter, age 34
Worcester-County, Massachusetts · implied b. ~1906 — 3 household members
| Surname | Clark |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Occupation | Practical Nurse |
| Industry | Rest Home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Gertrude Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edmund Clark (~0.92 confidence) and father Edmund Clark (~0.92 confidence) and mother Sadie Clark (~0.92 confidence) and mother Trevie Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edmund Clark
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Edmund Clark
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Sadie Clark
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Trevie Clark
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Clark
Daughter · 1940 · age 34 · b. ~1906 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01712-00352)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John William Sr Connors | 47 | Head | Meat Salesman | Boston Mass |
| 2 | Julia Agnes Connors | 44 | Wife | — | Boston Mass |
| 3 | Emma Marie Connors | 22 | Daughter | Graduate Nurse | Boston Mass |
| 4 | Mary Agnes Connors | 18 | Daughter | New Worker | Boston Mass |
| 5 | Lillian Esther Connors | 17 | Daughter | — | Boston Mass |
| 6 | Helen Louise Connors | 11 | Daughter | — | Boston Mass |
| 7 | John William Jr Connors | 5 | Son | — | Boston Mass |
| 8 | Marcus W White | 62 | Head | Purchasing Agent | Mass |
| 9 | Amie White | 47 | Wife | — | Mass |
| 10 | Robert H White | 36 | Son | Filing Clerk | Mass |
| 11 | Ruth M White | 33 | Daughter | School Teacher | Mass |
| 12 | George Nyberg | 51 | Bro-in-law | — | Mass |
| 13 | William J Monahan | 56 | Head | Forman | Mass |
| 14 | Cathrine Monahan | 50 | Wife | — | Mass |
| 15 | Francis Monahan | 22 | Daughter | Stenographer | Mass |
| 16 | William Monahan | 19 | Son | — | Mass |
| 17 | Cathrine Monahan | 15 | Daughter | — | Mass |
| 18 | N Grace Thayer | 70 | Head | — | New Hampshire |
| 19 | Grace E Thayer | 43 | Daughter | File Clerk | Mass |
| 20 | Gertrude Thayer | 42 | Daughter | Book-Keeper | Mass |
| 21 | Frederick W Haetinger | 46 | Roomer | Store-Manager | Conn |
| 22 | Chase E Gronlund | 22 | Head | — | Sweden |
| 23 | Hulda M Gronlund | 63 | Wife | — | Sweden |
| 24 | Harriet G V Gronlund | 25 | Daughter | File Clerk | Mass |
| 25 | Agnes Fahlin | 73 | Head | — | Sweden |
| 26 | Louise Fahlin | 42 | Daughter | Book-Keeper | Mass |
| 27 | Dorothy Fahlin | 26 | Daughter | Dictaphone Op | Mass |
| 28 | Eugene Bellevue | 62 | Head | Air Brake Insp | Mass |
| 29 | Josephine Bellevue | 68 | Wife | — | Mass |
| 30 | Frederick P Flynn | 44 | Head | Machinist | Mass |
| 31 | Edith Flynn | 34 | Wife | — | Mass |
| 32 | Jean Flynn | 13 | Daughter | — | Mass |
| 33 | Henry Francis Wings | 29 | Head | Garage Mechanic | Conn |
| 34 | Grace Wings | 28 | Wife | — | Mass |
| 35 | Grace Wings | 3 | Daughter | — | Mass |
| 36 | James Wings | 0 | Son | — | Mass |
| 37 | Annah Collins | 47 | Head | Trained Nurse | Mass |
| 38 | Trevie Clark | 62 | Head | Sewing Project | New Hampshire |
| 39 | Gertrude Clark THIS PERSON | 34 | Daughter | Practical Nurse | New Hampshire |
| 40 | Clyde Luce | 50 | Roomer | Electrician | Maine |
Pedigree Summary
Gertrude
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 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)