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John Mckay — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Missouri
Our Model Tree links this John Mckay across the 1920 and 1930 US Censuses in Marion, Missouri (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 18
b. ~1912
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Missouri |
| Surname | McKay |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Service Man |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Service Man |
| Township / Ward | Hannibal City |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charles Mckay | Head | — | 41 | ~1889 |
| Katherine Mckay | Other | — | 70 | ~1860 |
| Nesta Mckay | Daughter | — | 7 | ~1923 |
| Charles Mckay | Son | — | 16 | ~1914 |
| Katherine Mckay | Daughter | — | 11 | ~1919 |
| Lawrence Mckay | Son | — | 14 | ~1916 |
| I Mckay | Spouse | — | 35 | ~1895 |
| John Mckay | Son | — | 18 | ~1912 |
Census Appearances
1920
Marion, Missouri
Son, age 8
Marion, Missouri · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Marion, Missouri
Son, age 18
Marion, Missouri · implied b. ~1912 — 8 household members
| Surname | McKay |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Service Man |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Mckay across 2 US Census years (1920 and 1930) in Marion, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
John Mckay
Son · 1930 · age 18 · b. ~1912 · Missouri
★ You are viewing this record
Sibling
Nesta Mckay
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Mckay
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mckay
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mckay
Sibling · 1930 · age 16
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 — Marion, Missouri
Open full size
1930 US Federal Census — Marion, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1211:0714)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles B Mcmahon | 33 | Head | Clerk | New Mexico |
| 2 | M Bessie Mcmahon | 34 | Wife | — | Iowa |
| 3 | Louise Gray | 81 | Grandmother | — | Maryland |
| 4 | Charles E Mckay | 41 | Head | Proprietor | Missouri |
| 5 | I Florence Mckay | 35 | Wife | — | Missouri |
| 6 | John E Mckay THIS PERSON | 18 | Son | Service Man | Missouri |
| 7 | Charles R Mckay | 16 | Son | Service Man | Missouri |
| 8 | Lawrence L Mckay | 14 | Son | — | Missouri |
| 9 | Katherine A Mckay | 11 | Daughter | — | Missouri |
| 10 | Nesta G Mckay | 7 | Daughter | — | Missouri |
| 11 | Katherine Mckay | 70 | Mother | — | Illinois |
| 12 | Fred E C Sadler | 41 | Head | Mechanic | Germany |
| 13 | Laura R Sadler | 38 | Wife | — | England |
| 14 | Lawrence F Sadler | 15 | Son | — | Minnesota |
| 15 | Robert P Sadler | 11 | Son | — | Minnesota |
| 16 | Elinor C Sadler | 9 | Daughter | — | Minnesota |
| 17 | Jack E Sadler | 7 | Son | — | Minnesota |
| 18 | Hannette E Sadler | 5 | Son | — | Minnesota |
| 19 | John A Stack | 42 | Head | Fireman | Iowa |
| 20 | Mary E Stack | 39 | Wife | — | Pennsylvania |
| 21 | Mary J Stack | 17 | Daughter | — | Missouri |
| 22 | Elizabeth B Stack | 13 | Daughter | — | Missouri |
| 23 | Sally A Stack | 4 | Daughter | — | Missouri |
| 24 | Fred R Payne | 36 | Head | Officer | Missouri |
| 25 | Anna E Payne | 32 | Wife | — | Missouri |
| 26 | George D Payne | 31 | Brother | Brakeman | Missouri |
| 27 | George W Payne | 76 | Father | — | Missouri |
| 28 | James W Mudd | 44 | Head | Fireman | Missouri |
| 29 | Ida S Mudd | 38 | Wife | — | Missouri |
| 30 | Hayden E A Mudd | 51 | Roomer | Carpenter | Missouri |
| 31 | Annie I Childs | 76 | Mother-in-law | — | Missouri |
| 32 | William H Brown | 51 | Head | Conductor | Missouri |
| 33 | Augusta E Brown | 40 | Wife | — | Missouri |
| 34 | Dorothy E Brown | 16 | Daughter | — | Missouri |
| 35 | Charles A Peterson | 56 | Head | Asst Foreman | Iowa |
| 36 | Maud Peterson | 56 | Wife | — | Illinois |
| 37 | Thos S Pulliam | 52 | Head | Foreman | Ohio |
| 38 | Leona E Pulliam | 40 | Wife | Dressmaker | Missouri |
| 39 | Dorothy J Pulliam | 15 | Daughter | — | Missouri |
| 40 | Vera J Pulliam | 14 | Daughter | — | Missouri |
| 41 | Ralph E Hughes | 38 | Head | Chemist | Pennsylvania |
| 42 | Lena M Hughes | 35 | Wife | — | Ohio |
| 43 | Martina E Hughes | 5 | Daughter | — | New Jersey |
| 44 | Robert W Hughes | 0 | Son | — | Missouri |
| 45 | Elmer Hilts | 48 | Head | Blacksmith | Missouri |
| 46 | Gertrude Hilts | 48 | Wife | — | Missouri |
| 47 | James Gregory | 25 | Son-in-law | Chief Yardmaster | Missouri |
| 48 | Ruth Gregory | 21 | Daughter | — | Missouri |
| 49 | James R Gregory | 1 | Grandson | — | Missouri |
| 50 | Lloyd Martin | 16 | Lodger | — | Missouri |
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)