JN
John Nolan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this John Nolan across the 1910, 1920 and 1930 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed), with identified parents Michael & Michael — first a son (b.~1907), then head of a 6-person household.
Age 23
b. ~1907
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Nolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Insurance Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Prospect Park Borough Part |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Nolan | Daughter | — | 28 | ~1902 |
| Catherine Nolan | Daughter | — | 10 | ~1920 |
| Alice Nolan | Daughter | — | 24 | ~1906 |
| Michael Nolan | Head | — | 57 | ~1873 |
| Catherine Nolan | Other | — | 55 | ~1875 |
| John Nolan | Son | — | 23 | ~1907 |
Census Appearances
1910
Delaware, Pennsylvania
Son, age 3
Delaware, Pennsylvania · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Delaware, Pennsylvania
Son, age 13
Delaware, Pennsylvania · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| 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
Son, age 23
Delaware, Pennsylvania · implied b. ~1907 — 6 household members
| Surname | Nolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Insurance Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 John Nolan across 3 US Census years (1910, 1920 and 1930) in Delaware, Pennsylvania, using XGBoost record linkage. Identified parents: father Michael Nolan (~0.92 confidence) and father Michael Nolan (~0.92 confidence) and mother Catherine Nolan (~0.92 confidence) and mother Catherine Nolan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Nolan
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Michael Nolan
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Catherine Nolan
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Catherine Nolan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nolan
Son · 1930 · age 23 · b. ~1907 · Pennsylvania
★ You are viewing this record
Sibling
Mary Nolan
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Nolan
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Nolan
Sibling · 1930 · 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
1930 US Federal Census — Delaware, Pennsylvania
Open full size
1930 US Federal Census — Delaware, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2032:0452)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jones Gordon Jones | 1 | Son | — | Pennsylvania |
| 2 | Everett H Healtime | 44 | Head | Clerk | Ohio |
| 3 | Fannie E Healtime | 48 | Wife-H | — | Ohio |
| 4 | Lucille Healtime | 27 | Daughter | — | Indiana |
| 5 | Mary E Healtime | 23 | Daughter | Business Manager | Indiana |
| 6 | Michael Nolan | 57 | Head | — | Pennsylvania |
| 7 | Catherine Nolan | 55 | Wife-H | Advertising Agent | Pennsylvania |
| 8 | Mary Nolan | 28 | Daughter | — | Pennsylvania |
| 9 | Alice Nolan | 24 | Daughter | Stenographer | Pennsylvania |
| 10 | John Nolan THIS PERSON | 23 | Son | Stenographer | Pennsylvania |
| 11 | Catherine Nolan | 10 | Daughter | Secretary | Pennsylvania |
| 12 | Edgar Rodentaugh | 42 | Head | — | Pennsylvania |
| 13 | Fannie Rodentaugh | 41 | Wife-H | Conductor | Pennsylvania |
| 14 | Alice Rodentaugh | 16 | Daughter | Graduate Nurse | Pennsylvania |
| 15 | Elizabeth Rodentaugh | 13 | Daughter | — | Pennsylvania |
| 16 | Alice Housum | 72 | Mother-in-law | — | Pennsylvania |
| 17 | Bernard Pletz | 31 | Head | — | Pennsylvania |
| 18 | Myra Pletz | 26 | Wife-H | Foreman | Pennsylvania |
| 19 | J Norman Ludwick | 34 | Head | — | Pennsylvania |
| 20 | Florence Ludwick | 33 | Wife-H | Buyer | Pennsylvania |
| 21 | Samuel G Gross | 46 | Head | — | Pennsylvania |
| 22 | Cora Gross | 45 | Wife-H | Mill Wright | Pennsylvania |
| 23 | Charles H Rodgers | 39 | Head | — | Pennsylvania |
| 24 | Mary Rodgers | 37 | Wife-H | Machinist | Pennsylvania |
| 25 | Robert M Rodgers | 68 | Father-in-law | — | Pennsylvania |
| 26 | Clara Rodgers | 27 | Sister-in-law | Winder | Pennsylvania |
| 27 | Archibald Donald | 44 | Head | Civil Engineer | England |
| 28 | Kate S Donald | 41 | Wife-H | — | England |
| 29 | George M Donald | 14 | Son | — | England |
| 30 | William Calloway | 49 | Head | Manager | Delaware |
| 31 | Blossom Kohl | 47 | Sister-in-law | — | Michigan |
| 32 | Paul Kohl | 15 | Nephew | — | Pennsylvania |
| 33 | Frank Slebor | 34 | Head | Clerk | England |
| 34 | Georgia Slebor | 33 | Wife-H | — | Pennsylvania |
| 35 | Elmer Slebor | 14 | Son | — | Pennsylvania |
| 36 | Edwin Slebor | 9 | Son | — | Pennsylvania |
| 37 | Arthur Hartman | 23 | Step-Brother | Clerk | Pennsylvania |
| 38 | Raymond J Barnes | 38 | Head | Clerk | Pennsylvania |
| 39 | Dorothy J Barnes | 35 | Wife-H | — | Pennsylvania |
| 40 | Robert L Barnes | 12 | Son | — | Pennsylvania |
| 41 | Beatrice Barnes | 11 | Daughter | — | Pennsylvania |
| 42 | Martha Barnes | 8 | Daughter | — | Pennsylvania |
| 43 | Earl Watkins | 43 | Head | Machinist | Pennsylvania |
| 44 | Maude Watkins | 42 | Wife-H | — | Pennsylvania |
| 45 | Anna Watkins | 18 | Daughter | Stenographer | Pennsylvania |
| 46 | La Rue Watkins | 17 | Daughter | Rate Clerk | Pennsylvania |
| 47 | Emily Watkins | 10 | Daughter | — | Pennsylvania |
| 48 | Roy Balaley | 39 | Head | Clerk | Pennsylvania |
| 49 | Nellie Balaley | 40 | Wife-H | — | Pennsylvania |
| 50 | Charles Balaley | 8 | Son | — | Pennsylvania |
Pedigree Summary
John + 3 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 1930 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)