FJ
Frederick Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dorchester-County, Maryland
Our Model Tree links this Frederick Jones across the 1920, 1930 and 1940 US Censuses in Dorchester-County, Maryland (XGBoost, ~Confirmed), with identified parents J & Joshua — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dorchester-County, Maryland |
| Surname | Jones |
| Given Name | Frederick C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Cambridge town |
| 1935 Residence (County) | Dorchester |
| Additional Details | |
| Highest Grade | S 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Cambridge Town |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Christina Jones | Spouse | — | 54 | ~1886 |
| Frederick Jones | Son | — | 21 | ~1919 |
| J Jones | Head | — | 62 | ~1878 |
Census Appearances
1920
Dorchester, Maryland
Son, age 1
Dorchester, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Frederick D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Dorchester, Maryland
Son, age 11
Dorchester, Maryland · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Frederick B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Dorchester-County, Maryland
Son, age 21
Dorchester-County, Maryland · implied b. ~1919 — 3 household members
| Surname | Jones |
| Given Name | Frederick C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Cambridge town |
| 1935 Residence (County) | Dorchester |
| Highest Grade | S 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Frederick Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father J Jones (~0.92 confidence) and father Joshua Jones (~0.92 confidence) and mother Christina Jones (~0.92 confidence) and mother Ida Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
J Jones
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Joshua Jones
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Christina Jones
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Ida Jones
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Jones
Son · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dorchester-County, Maryland
Open full size
1940 US Federal Census — Dorchester-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01547-00285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | A. Augustus Stewart | 32 | Son-in-law | Bank Teller | Maryland |
| 42 | Frances M. Stewart | 29 | Daughter | Teacher | Maryland |
| 43 | James T. Benton | 13 | Nephew | — | Maryland |
| 44 | J. Richard Jones | 62 | Head | Lawyer | Maryland |
| 45 | Christina G. Jones | 54 | Wife | — | Maryland |
| 46 | Frederick C. Jones THIS PERSON | 21 | Son | — | Maryland |
| 47 | George H. Meekins | 62 | Head | Manager | Maryland |
| 48 | Stella T. Meekins | 49 | Wife | — | Texas |
| 49 | H. Tinsley Meekins | 27 | Son | Salesman | Maryland |
| 50 | Beverley V. Meekins | 19 | Daughter | — | Maryland |
| 51 | Sarah V. Byrd | 79 | Head | — | Maryland |
| 52 | Carl L. Beach | 56 | Head | Owner | Virginia |
| 53 | Alma V. Beach | 49 | Wife | — | Maryland |
| 54 | Howell M. Moore | 73 | Head | Owner | Maryland |
| 55 | Hazel C. Moore | 47 | Daughter | — | Maryland |
| 56 | Philip N. Linthicum | 35 | Head | Mechanic | Maryland |
| 57 | Rebecca S. Linthicum | 33 | Wife | — | Maryland |
| 58 | Shirley G. Linthicum | 11 | Niece | — | Maryland |
| 59 | Cazel L. Dail | 44 | Head | Clerk For City | Maryland |
| 60 | Lucy R. Dail | 41 | Wife | — | Maryland |
| 61 | Carl L. Dail | 1 | Son | — | Maryland |
| 62 | Bernard C. Stockton | 40 | Head | Salesman | North Carolina |
| 63 | Mattie H. Stockton | 35 | Wife | — | Maryland |
| 64 | Shirley L. Stockton | 7 | Daughter | — | Maryland |
| 65 | Bernard C. Jr. Stockton | 5 | Son | — | Maryland |
| 66 | Loretta Ann Stockton | 1 | Daughter | — | Maryland |
| 67 | Annie B. Baker | 73 | Mother-in-law | — | Maryland |
| 68 | Raleigh Hurley | 50 | Head | Laborer | Maryland |
| 69 | Katie H. Hurley | 48 | Wife | — | Maryland |
| 70 | Geraldine Hurley | 6 | Daughter | — | Maryland |
| 71 | Gene Proper | 9 | Cousin | — | Maryland |
| 72 | William Henry | 82 | Father-in-law | — | Maryland |
| 73 | Harvey P. Wilson | 35 | Head | Salesman | Maryland |
| 74 | Lena R. Wilson | 36 | Wife | — | Maryland |
| 75 | Elizabeth R. Wilson | 4 | Daughter | — | Maryland |
| 76 | John Calvin Peters | 30 | Head | Assistant Superintendent | Maryland |
| 77 | Mathilde L. Peters | 26 | Wife | — | Washington D. C. |
| 78 | Joan C. Peters | 7 | Daughter | — | D. C. |
| 79 | Jacquelin A. Peters | 4 | Daughter | — | Maryland |
Pedigree Summary
Frederick
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)