CC
Catherine Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Catherine Clark across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & George — first a daughter (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Clark |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | LAWRENCE CITY |
| 1935 Residence (County) | ESSEX |
| Additional Details | |
| Occupation | Nurse |
| Industry | School |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 240 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Nurse |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Catherine Clark | Daughter | — | 24 | ~1916 |
| Regina Clark | Daughter | — | 23 | ~1917 |
| Ethel Clark | Daughter | — | 20 | ~1920 |
| Catherine Clark | Spouse | — | 47 | ~1893 |
| Edward Clark | Head | — | 59 | ~1881 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 4
Essex, Massachusetts · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Catharine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 15
Essex, Massachusetts · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Catherine |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 24
Essex-County, Massachusetts · implied b. ~1916 — 5 household members
| Surname | Clark |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | LAWRENCE CITY |
| 1935 Residence (County) | ESSEX |
| Occupation | Nurse |
| Industry | School |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 240 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| 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 Catherine Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Clark (~0.92 confidence) and father George Clark (~0.92 confidence) and father George Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother Catherine Clark (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Clark
b. ~1881
Source father
● Household
· direct · ~0.92
Father
George Clark
b. ~1882
Source father
● Household
· direct · ~0.92
Father
George Clark
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Catherine Clark
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Catherine Clark
Daughter · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Regina Clark
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Clark
Sibling · 1940 · age 20
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01582-00675)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marguerite Cooney | 46 | Wife | — | Massachusetts |
| 2 | Marguerite Cooney | 23 | Daughter | Inker | Massachusetts |
| 3 | Ruth Eileen Cooney | 21 | Daughter | — | Massachusetts |
| 4 | Roberta Cooney | 17 | Daughter | — | Massachusetts |
| 5 | George Cooney | 15 | Son | — | Massachusetts |
| 6 | Thomas Donovan | 64 | Head | Wool Feeder | Irish Free State |
| 7 | Katherine Donovan | 32 | Daughter | Sales Girl | Massachusetts |
| 8 | John J. Donovan | 28 | Son | Wool Inspector | Massachusetts |
| 9 | Walter A Donovan | 26 | Son | Operative | Massachusetts |
| 10 | John A. Hogan | 35 | Head | Second Hand | Massachusetts |
| 11 | Mary Hogan | 34 | Wife | — | Massachusetts |
| 12 | Joan Hogan | 5 | Son | — | Massachusetts |
| 13 | Francis Hogan | 2 | Son | — | Massachusetts |
| 14 | Patrick Keefe | 63 | Father-in-law | — | Irish Free State |
| 15 | Catherine Keefe | 24 | Sister-in-law | Reeler | Massachusetts |
| 16 | Catherine Hennessey | 47 | Head | Checking | Rhode Island |
| 17 | Annie Hennessey | 70 | Mother | — | Irish Free State |
| 18 | Edward L. Clark | 59 | Head | Yarn Sorter | Massachusetts |
| 19 | Catherine Clark | 47 | Wife | — | England |
| 20 | Regina Clark | 23 | Daughter | Yarn Handler | Massachusetts |
| 21 | Catherine Clark THIS PERSON | 24 | Daughter | Nurse | Massachusetts |
| 22 | Ethel Clark | 20 | Daughter | New Worker | Massachusetts |
| 23 | James H Duffy | 70 | Head | — | Ireland |
| 24 | Delia Duffy | 68 | Wife | — | Ireland |
| 25 | Daniel P. Mccabe | 73 | Head | Chauffeur | Ireland |
| 26 | Charlotte Mccabe | 67 | Wife | — | England |
| 27 | John W. J. Mccarthy | 39 | Head | Supervisor | Massachusetts |
| 28 | Irene Mccarthy | 39 | Wife | — | Massachusetts |
| 29 | Claire Mccarthy | 11 | Daughter | — | Massachusetts |
| 30 | John Mccarthy | 8 | Son | — | Massachusetts |
| 31 | Joseph Mccarthy | 3 | Son | — | Massachusetts |
| 32 | Nora Danahy | 75 | Head | — | Irish Free State |
| 33 | Timothy F Danahy | 38 | Son | Wool Sorter | Massachusetts |
| 34 | Julia Danahy | 34 | Daughter | Specker | Massachusetts |
| 35 | Abbie Walsh | 47 | Head | — | Irish Free State |
| 36 | David Walsh | 18 | Son | New Worker | Massachusetts |
| 37 | Anna Walsh | 16 | Daughter | — | Massachusetts |
| 38 | Eugene Walsh | 15 | Son | — | Massachusetts |
| 39 | John Walsh | 12 | Son | — | Massachusetts |
| 40 | Abigail Walsh | 10 | Daughter | — | Massachusetts |
Pedigree Summary
Catherine + 2 siblings
Gen 1 · 6 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)