FP
Fred Parker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Ohio
Our Model Tree links this Fred Parker across the 1920, 1930 and 1940 US Censuses in Knox-County, Ohio (XGBoost, ~Confirmed), with identified parents Fred & Anna — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Ohio |
| Surname | Parker |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | College Township |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Class of Worker | S |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | College Township |
| Est. Birth Year | ~1919 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Anna Parker | Spouse | — | 54 | ~1886 |
| Fred Parker | Son | — | 21 | ~1919 |
| Edward Parker | Son | — | 18 | ~1922 |
| Frederick Parker | Head | — | 56 | ~1884 |
| Charles Parker | Son | — | 13 | ~1927 |
Census Appearances
1920
Knox, Ohio
Son, age 1
Knox, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Frederick N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Knox, Ohio
Son, age 12
Knox, Ohio · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Frederick N. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Knox-County, Ohio
Son, age 21
Knox-County, Ohio · implied b. ~1919 — 5 household members
| Surname | Parker |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | College Township |
| 1935 Residence (County) | Knox |
| Class of Worker | S |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Fred Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Parker (~0.92 confidence) and mother Anna Parker (~0.92 confidence) and mother Hana Parker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Parker
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Anna Parker
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Hana Parker
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Parker
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Charles Parker
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Parker
Sibling · 1940 · age 18
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 — Knox-County, Ohio
Open full size
1940 US Federal Census — Knox-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03093-00474)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ethel Mcnabb | 33 | Wife | — | Ohio |
| 2 | Richard Mcnabb | 7 | Son | — | Ohio |
| 3 | Frederick Parker | 56 | Head | Janitor | Ohio |
| 4 | Anna Parker | 54 | Wife | — | Ohio |
| 5 | Fred Parker THIS PERSON | 21 | Son | — | Ohio |
| 6 | Edward Parker | 18 | Son | — | Ohio |
| 7 | Charles Parker | 13 | Son | — | Ohio |
| 8 | Harold Mccall | 39 | Head | Boiler Operator | Ohio |
| 9 | Irene Mccall | 35 | Wife | — | Ohio |
| 10 | Boyd Mccall | 6 | Son | — | Ohio |
| 11 | Dorothea Mccall | 5 | Daughter | — | Ohio |
| 12 | Charles Hillier | 54 | Head | Mail Carrier | Ohio |
| 13 | Lulu Hillier | 46 | Wife | — | Ohio |
| 14 | Helen Hillier | 16 | Daughter | — | Ohio |
| 15 | Richard Hillier | 10 | Son | — | Ohio |
| 16 | Parvin Davidson | 62 | Head | Paper Hanger | Ohio |
| 17 | Nellie Davidson | 57 | Wife | — | Ohio |
| 18 | Jane Davidson | 22 | Daughter | — | Ohio |
| 19 | Francis Davidson | 18 | Son | — | Ohio |
| 20 | Frances Stearns | 80 | Head | — | Ohio |
| 21 | William Rowley | 61 | Head | Farmer | Ohio |
| 22 | Alice Rowley | 59 | Wife | — | England |
| 23 | Daniel E. Uncle | 70 | Head | Farmer | Ohio |
| 24 | Fannie Uncle | 50 | Wife | — | Kentucky |
| 25 | Forrest Eley | 44 | Head | Salesman | Ohio |
| 26 | Jane Eley | 43 | Wife | — | Ohio |
| 27 | Margaret Eley | 22 | Daughter | Clerk | Ohio |
| 28 | Clifford Eley | 16 | Son | — | Ohio |
| 29 | Charles Rowley | 57 | Head | Farmer | Ohio |
| 30 | Stella Rowley | 56 | Wife | — | Ohio |
| 31 | Claude Downing | 45 | Head | Engineer | Ohio |
| 32 | Nancy Downing | 43 | Wife | — | Ohio |
| 33 | Rose Downing | 20 | Daughter | Nurse (Practical) | Ohio |
| 34 | Norma Jean Downing | 11 | Daughter | — | Ohio |
| 35 | Minnie Pilkington | 72 | Head | — | Ohio |
| 36 | John Outenad | 71 | Head | Farmer | Ohio |
| 37 | Bessie Outenad | 63 | Wife | — | Ohio |
| 38 | Loren Williams | 44 | Head | — | West Virginia |
| 39 | Virgie Williams | 42 | Wife | — | Maryland |
| 40 | Carl Williams | 4 | Son | — | Ohio |
Related Census Records
Pedigree Summary
Fred + 2 siblings
Gen 1 · 3 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)