JM
John Mccormack — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kenton-County, Kentucky
Our Model Tree links this John Mccormack across the 1920, 1930 and 1940 US Censuses in Kenton-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kenton-County, Kentucky |
| Surname | McCormack |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Covington City |
| 1935 Residence (County) | Kenton |
| Additional Details | |
| Occupation | Time Study Man |
| Industry | Radio |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 94 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Time Study Man |
| Township / Ward | Covington City |
| Est. Birth Year | ~1918 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mccormack | Daughter | — | 18 | ~1922 |
| John Mccormack | Head | — | 49 | ~1891 |
| Thomas Mccormack | Son | — | 20 | ~1920 |
| Patricia Mccormack | Daughter | — | 11 | ~1929 |
| Kathleen Mccormack | Daughter | — | 9 | ~1931 |
| Margaret Mccormack | Spouse | — | 47 | ~1893 |
| Eileen Mccormack | Daughter | — | 14 | ~1926 |
| Rosa Mccormack | Daughter | — | 7 | ~1933 |
| John Mccormack | Son | — | 22 | ~1918 |
Census Appearances
Son, age 2
Kenton, Kentucky · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Kenton, Kentucky
Son, age 12
Kenton, Kentucky · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | John J. Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Kenton-County, Kentucky
Son, age 22
Kenton-County, Kentucky · implied b. ~1918 — 9 household members
| Surname | McCormack |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Covington City |
| 1935 Residence (County) | Kenton |
| Occupation | Time Study Man |
| Industry | Radio |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 94 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 John Mccormack across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mccormack (~0.92 confidence) and father John Mccormick (~0.92 confidence) and mother Margaret Mccormack (~0.92 confidence) and mother Margaret Mccormick (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mccormack
b. ~1892
Source father
● Household
· direct · ~0.92
Father
John Mccormick
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Margaret Mccormack
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mccormick
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mccormack
Son · 1940 · age 22 · b. ~1918 · Kentucky
★ You are viewing this record
Sibling
Eileen Mccormack
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Mccormack
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Mccormack
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccormack
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccormack
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Mccormack
Sibling · 1940 · age 9
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 — Kenton-County, Kentucky
Open full size
1940 US Federal Census — Kenton-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01324-00405)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Robinson | 17 | Son | — | Kentucky |
| 2 | Wm J White | 42 | Head | Driver Truck | Kentucky |
| 3 | Freda White | 38 | Wife | Saleslady | Kentucky |
| 4 | Wm E White | 20 | Son | New Worker | Kentucky |
| 5 | Dorothy White | 19 | Daughter | Typist | Kentucky |
| 6 | Clyde T Ryles | 64 | Father-in-law | Waiter | Kentucky |
| 7 | Anna Ryles | 57 | Mother-in-law | — | Kentucky |
| 8 | Nellie Caldwell | 58 | Head | — | Kentucky |
| 9 | Augusta White | 92 | Mother | — | Kentucky |
| 10 | Rosie Pope | 2 | Nurse | Nurse | Kentucky |
| 11 | Bruce Robinson | 30 | Head | Stock Foreman | Kentucky |
| 12 | Anna Robinson | 30 | Wife | Clerk | Kentucky |
| 13 | Peggy Robinson | 4 | Daughter | — | Kentucky |
| 14 | Henry C White | 65 | Head | Medical D | Kentucky |
| 15 | Edith M White | 54 | Wife | — | Kentucky |
| 16 | Joe L White | 34 | Son | — | Kentucky |
| 17 | Eva White | 30 | Daughter-in-law | Saleslady | Kentucky |
| 18 | Eva Jo White | 9 | Granddaughter | — | Kentucky |
| 19 | Paul C Williamson | 30 | Son-in-law | Clerk | Ohio |
| 20 | Virginia Williamson | 28 | Daughter | — | Kentucky |
| 21 | Paula Williamson | 2 | Granddaughter | — | Kentucky |
| 22 | Robert B Sams | 56 | Head | Flagman | Kentucky |
| 23 | Pearl H Sams | 52 | Wife | — | Kentucky |
| 24 | Frank Berger | 22 | Head | Lithographer | Kentucky |
| 25 | Florence Berger | 21 | Wife | — | Ohio |
| 26 | Robert D Berger | 5 | Son | — | Kentucky |
| 27 | John Mccormack | 49 | Head | Switchman | Kentucky |
| 28 | Margaret Mccormack | 47 | Wife | — | Kentucky |
| 29 | John Jr Mccormack THIS PERSON | 22 | Son | Time Study Man | Kentucky |
| 30 | Thomas Mccormack | 20 | Son | Car Knocker | Kentucky |
| 31 | Margaret Mccormack | 18 | Daughter | Housemaid | Kentucky |
| 32 | Eileen Mccormack | 14 | Daughter | — | Kentucky |
| 33 | Patricia Mccormack | 11 | Daughter | — | Kentucky |
| 34 | Kathleen Mccormack | 9 | Daughter | — | Kentucky |
| 35 | Rosa Mary Mccormack | 7 | Daughter | — | Kentucky |
| 36 | Shelby D Boggess | 40 | Head | Carpenter | Kentucky |
| 37 | Mayme Boggess | 40 | Wife | — | Kentucky |
| 38 | Paul Boggess | 18 | Son | Instructor | Kentucky |
| 39 | Shelby Jr Boggess | 17 | Son | — | Kentucky |
| 40 | Jenny D Kemmis | 68 | Head | — | Kentucky |
Related Census Records
Pedigree Summary
John + 6 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 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)