TJ
Thelma Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Thelma Jones across the 1910, 1920, 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a daughter (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Jones |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bangor borough |
| 1935 Residence (County) | Northampton |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 751 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Bangor Borough |
| Est. Birth Year | ~1910 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Jones | Daughter | — | 24 | ~1916 |
| Thelma Jones | Daughter | — | 30 | ~1910 |
| Kathryn Jones | Daughter | — | 37 | ~1903 |
| Harry Jones | Head | — | 67 | ~1873 |
| Alvin Jones | Son | — | 33 | ~1907 |
| Margaret Jones | Spouse | — | 64 | ~1876 |
Census Appearances
1910
Northampton, Pennsylvania
Daughter, age 1
Northampton, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wales-Welsh |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Northampton, Pennsylvania
Daughter, age 10
Northampton, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Northampton, Pennsylvania
Daughter, age 19
Northampton, Pennsylvania · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northampton-County, Pennsylvania
Daughter, age 30
Northampton-County, Pennsylvania · implied b. ~1910 — 6 household members
| Surname | Jones |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bangor borough |
| 1935 Residence (County) | Northampton |
| Occupation | Bookkeeper |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 751 |
| Highest Grade | H 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 Thelma Jones across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Jones (~0.92 confidence) and father Harry Jones (~0.92 confidence) and father Harry Jones (~0.92 confidence) and father Harry Jones (~0.92 confidence) and mother Margaret Jones (~0.92 confidence) and mother Margaret Jones (~0.92 confidence) and mother Margaret Jones (~0.92 confidence) and mother Margaret Jones (~0.92 confidence). The pedigree spans 1 generation with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Jones
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Harry Jones
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Harry Jones
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Harry Jones
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Margaret Jones
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Margaret Jones
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Margaret Jones
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Margaret Jones
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Jones
Daughter · 1940 · age 30 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Kathryn Jones
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Jones
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Jones
Sibling · 1940 · age 24
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 — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03588-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Lobb | 58 | Head | Slater | Pennsylvania |
| 2 | Annie Lobb | 52 | Wife | — | England |
| 3 | Eva Wynne | 26 | Daughter | Examiner | Pennsylvania |
| 4 | Gary Wynne | 4 | Grandson | — | Pennsylvania |
| 5 | Samuel H. Hahn | 50 | Head | Molder | Pennsylvania |
| 6 | Mabel W. Hahn | 47 | Wife | — | Pennsylvania |
| 7 | Harrison Hahn | 12 | Son | — | Pennsylvania |
| 8 | Donald D. Davey | 31 | Head | Bookkeeper | Pennsylvania |
| 9 | Ruth Davey | 31 | Wife | Teacher | Pennsylvania |
| 10 | William W. Mcfreey | Mcfreery | 42 | Head | Knit-Wear Super | Pennsylvania |
| 11 | Hazel Mcfreey | Mcfreery | 34 | Wife | Hand-Sewer | New Jersey |
| 12 | Mary Mcfreey | Mcfreery | 15 | Daughter | — | Pennsylvania |
| 13 | William W. Jr. Mcfreey | Mcfreery | 14 | Son | — | Pennsylvania |
| 14 | Lorraine Mcfreey | Mcfreery | 6 | Daughter | — | Pennsylvania |
| 15 | William T. Harris | 41 | Head | Laborer | Pennsylvania |
| 16 | Esther Harris | 39 | Wife | Finisher | Pennsylvania |
| 17 | June Harris | 18 | Daughter | Trimmer | Pennsylvania |
| 18 | Harry R. Jones | 67 | Head | Slater | Wales |
| 19 | Margaret Jones | 64 | Wife | — | Pennsylvania |
| 20 | Kathryn Jones | 37 | Daughter | — | Pennsylvania |
| 21 | Alvin Jones | 33 | Son | Boarder | Pennsylvania |
| 22 | Thelma Jones THIS PERSON | 30 | Daughter | Bookkeeper | Pennsylvania |
| 23 | Genevieve Jones | 24 | Daughter | — | Pennsylvania |
| 24 | Francis D. Spry | 44 | Head | Estimating Engineer | Pennsylvania |
| 25 | Ethel M. Spry | 41 | Wife | — | Pennsylvania |
| 26 | Miriam J. Spry | 10 | Daughter | — | Pennsylvania |
| 27 | Miles F. Keller | 39 | Head | Laborer | Pennsylvania |
| 28 | Sadie D. Keller | 38 | Wife | — | Pennsylvania |
| 29 | Hugh D. Jones | 70 | Head | Laborer | Wales |
| 30 | Ella Jones | 68 | Wife | — | Pennsylvania |
| 31 | Russell E. Jones | 47 | Head | Trainman | Pennsylvania |
| 32 | Jennie C. Jones | 44 | Wife | — | Pennsylvania |
| 33 | Agnes H. Williams | 63 | Head | Agent | Pennsylvania |
| 34 | Ozzie Williams | 62 | Wife | — | Pennsylvania |
| 35 | Lizzie Saltern | 61 | Head | Slater | Pennsylvania |
| 36 | Theodosia Saltern | 41 | Wife | — | Pennsylvania |
| 37 | Hazel Saltern | 15 | Son | — | Pennsylvania |
| 38 | Robert Strimmel | 76 | Head | — | Pennsylvania |
| 39 | Arch Pritchard | 42 | Head | Trainman | Pennsylvania |
| 40 | Nettie W. Pritchard | 38 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Thelma + 3 siblings
Gen 1 · 8 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)