FK
Frank King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, Pennsylvania
Our Model Tree links this Frank King across the 1920, 1930 and 1940 US Censuses in Mercer-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Maurice & M — first a son (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Pennsylvania |
| Surname | King |
| Given Name | Frank A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Fredonia |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | New Worker |
| Industry | W.P.A |
| Class of Worker | GW |
| Hours Worked | 0 |
| Income (1939) | 75 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Fredonia |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| M King | Daughter | — | 14 | ~1926 |
| Virginia King | Daughter | — | 17 | ~1923 |
| M King | Head | — | 51 | ~1889 |
| Clarence King | Son | — | 11 | ~1929 |
| Frank King | Son | — | 19 | ~1921 |
| Leland King | Son | — | 15 | ~1925 |
Census Appearances
1920
Mercer, Pennsylvania
Son, age 2
Mercer, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Frank E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Mercer, Pennsylvania
Son, age 11
Mercer, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Frank L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mercer-County, Pennsylvania
Son, age 19
Mercer-County, Pennsylvania · implied b. ~1921 — 6 household members
| Surname | King |
| Given Name | Frank A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Fredonia |
| 1935 Residence (County) | Mercer |
| Occupation | New Worker |
| Industry | W.P.A |
| Class of Worker | GW |
| Hours Worked | 0 |
| Income (1939) | 75 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Frank King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Maurice King (~0.92 confidence) and mother M King (~0.92 confidence) and mother Mary King (~0.92 confidence) and mother Mary King (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Maurice King
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
M King
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary King
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary King
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank King
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
M King
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence King
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia King
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland King
Sibling · 1940 · age 15
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 — Mercer-County, Pennsylvania
Open full size
1940 US Federal Census — Mercer-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03570-00549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. Hollis Bear | 21 | son | — | Pennsylvania |
| 2 | Charles Amon | 42 | Head | Laborer | Pennsylvania |
| 3 | Lula M. Amon | 34 | wife | — | Pennsylvania |
| 4 | Jessie M. Amon | 18 | daughter | — | Pennsylvania |
| 5 | M. Eleanor Amon | 16 | daughter | — | Pennsylvania |
| 6 | Charles Jr. Amon | 14 | son | — | Pennsylvania |
| 7 | Fred E. Amon | 10 | son | — | Pennsylvania |
| 8 | Bonita M. Amon | 8 | daughter | — | Pennsylvania |
| 9 | Marian J. Amon | 5 | daughter | — | Pennsylvania |
| 10 | John A. Amon | 4 | son | — | Pennsylvania |
| 11 | Ruth A. Amon | 0 | daughter | — | Pennsylvania |
| 12 | William L. Jamieson | 42 | Head | Miller | Pennsylvania |
| 13 | Bula M. Jamieson | 43 | wife | — | Pennsylvania |
| 14 | John E. Jamieson | 15 | son | — | Pennsylvania |
| 15 | Henry E. Milehron | 53 | Head | — | Pennsylvania |
| 16 | Edna E. Milehron | 50 | wife | — | Pennsylvania |
| 17 | Albert E. Harsh | 22 | nephew | New Worker | Pennsylvania |
| 18 | S. Lois Patterson | 60 | Head | House Keeper | Pennsylvania |
| 19 | M. Oral Patterson | 58 | sister | Tel Operator | Pennsylvania |
| 20 | M. Mae King | 51 | Head | — | Pennsylvania |
| 21 | Frank A. King THIS PERSON | 19 | son | New Worker | Pennsylvania |
| 22 | Virginia M. King | 17 | daughter | Sewing | Pennsylvania |
| 23 | Leland C. King | 15 | son | — | Pennsylvania |
| 24 | M. Betty King | 14 | daughter | — | Pennsylvania |
| 25 | Clarence W. King | 11 | son | — | Pennsylvania |
| 26 | Mary J. Simmons | 67 | Head | — | Pennsylvania |
| 27 | Elmer A. Snyder | 55 | Head | Teacher | Pennsylvania |
| 28 | Leona R. Snyder | 51 | wife | — | Pennsylvania |
| 29 | Robert H. Rose | 73 | Head | — | Pennsylvania |
| 30 | Mae Rose | 64 | wife | — | Ohio |
| 31 | Robert J. Nist | 16 | son | — | Pennsylvania |
| 32 | James E. Nist | 14 | grand son | — | Pennsylvania |
| 33 | George A. Dean | 62 | Head | Skilled Labor | Pennsylvania |
| 34 | Maude Dean | 62 | wife | — | Pennsylvania |
| 35 | Nancy A. Dean | 23 | daughter | House Work | Pennsylvania |
| 36 | Jesse S. Mchenry | 36 | Head | Shovel Operator | Ohio |
| 37 | Mollie S. Mchenry | 37 | wife | — | Pennsylvania |
| 38 | Mervin E. Mchenry | 12 | son | — | Pennsylvania |
| 39 | Loealie E. Mchenry | 11 | son | — | Pennsylvania |
| 40 | Victor L. Mchenry | 10 | son | — | Pennsylvania |
Pedigree Summary
Frank + 4 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)