MJ
Mabel Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Mabel Jones across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a daughter (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Jones |
| Given Name | Mabel A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Reel |
| Industry | Viscose |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 585 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Reel |
| Township / Ward | Chester |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mabel | Age | Birth yr |
|---|---|---|---|---|
| Mabel Jones | Daughter | — | 32 | ~1908 |
| Mary Jones | Head | — | 64 | ~1876 |
Census Appearances
1920
Montgomery, Pennsylvania
Daughter, age 13
Montgomery, Pennsylvania · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Daughter, age 23
Delaware, Pennsylvania · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Reeler |
| Industry | Silk Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 32
Delaware-County, Pennsylvania · implied b. ~1908 — 2 household members
| Surname | Jones |
| Given Name | Mabel A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Occupation | Reel |
| Industry | Viscose |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 585 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Mabel Jones across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Mary Jones (~0.92 confidence) and mother Mary Jones (~0.92 confidence) and father Jones 211 392 402 (~0.92 confidence) and mother Annie Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Jones
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Jones
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Jones 211 392 402
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Annie Jones
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mabel Jones
Daughter · 1940 · age 32 · b. ~1908 · Pennsylvania
★ 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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03487-00546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Harpel | 4 | Daughter | — | Pennsylvania |
| 42 | Cora A. Pierce | 55 | Head | — | New York |
| 43 | Margaret A. Pierce | 72 | Sister | — | New York |
| 44 | John Daniels | 52 | Head | Foreman | New Jersey |
| 45 | Anna Daniels | 47 | Wife | — | Pennsylvania |
| 46 | John Daniels | 27 | Son | Clerk | Pennsylvania |
| 47 | Ellen Daniels | 23 | Daughter | — | Pennsylvania |
| 48 | Edward Price | 74 | Head | Clerk | Pennsylvania |
| 49 | Harriet Price | 63 | Wife | — | Pennsylvania |
| 50 | Helen Ward | 39 | Daughter | Salesgirl | Pennsylvania |
| 51 | William Ward | 17 | Son | — | Pennsylvania |
| 52 | Ella Lafey | 79 | Head | — | Pennsylvania |
| 53 | Ann Lamont | 39 | Boarder | Stenographer | Pennsylvania |
| 54 | Llewellyn Sherwood | 57 | Head | Machinist | Delaware |
| 55 | Bertha Sherwood | 56 | Wife | — | Delaware |
| 56 | Harvey Jackson | 24 | Son | Machinist | Delaware |
| 57 | Mary (A.) Jackson | 21 | Daughter | — | Delaware |
| 58 | E. H. Harkness | 53 | Head | Clerk | Pennsylvania |
| 59 | Mary E. Harkness | 30 | Wife | — | Maryland |
| 60 | Joseph John Harkness | 9 | Son | — | Pennsylvania |
| 61 | Patricia Harkness | 5 | Daughter | — | Pennsylvania |
| 62 | Mary J. Friel | 63 | Head | — | Pennsylvania |
| 63 | Hugh J. Friel | 58 | Brother | Carpenter | Pennsylvania |
| 64 | James D. Friel | 34 | Nephew | Laborer | Pennsylvania |
| 65 | Gertrude C. Friel | 28 | Niece | Salesgirl | Pennsylvania |
| 66 | George Fifer | 41 | Head | Button Reamer | N. Dakota |
| 67 | Jane Fifer | 40 | Wife | — | Pennsylvania |
| 68 | James Fifer | 4 | Son | — | Pennsylvania |
| 69 | Lucy Semanis | 67 | Roomer | None | Maryland |
| 70 | Clarence Middleton | 60 | Head | Watchman | Pennsylvania |
| 71 | Catherine Middleton | 56 | Wife | — | Delaware |
| 72 | Hazel Middleton | 30 | Daughter | — | Pennsylvania |
| 73 | Richard Southby | 36 | Lodger | Helper | England |
| 74 | Frances A. Hall | 27 | Head | Electrician | Pennsylvania |
| 75 | Helen Hall | 29 | Wife | — | Pennsylvania |
| 76 | Nancy J. Hall | 5 | Daughter | — | Pennsylvania |
| 77 | Mary Jones | 64 | Head | Clerk | Pennsylvania |
| 78 | Mabel A. Jones THIS PERSON | 32 | Daughter | Reel | Pennsylvania |
| 79 | Perry Kiley | 35 | Head | Welder | Pennsylvania |
| 80 | Alethea Kiley | 33 | Wife | — | Pennsylvania |
Pedigree Summary
Mabel
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)