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William Nolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this William Nolan across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hatfield Borough |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Hatfield Borough |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edwin Nolan | Son | — | 21 | ~1919 |
| Robert Nolan | Son | — | 4 | ~1936 |
| Florence Nolan | Daughter | — | 12 | ~1928 |
| Elizabeth Nolan | Spouse | — | 45 | ~1895 |
| John Nolan | Son | — | 16 | ~1924 |
| William Nolan | Son | — | 14 | ~1926 |
| Edwin Nolan | Head | — | 48 | ~1892 |
| Thomas Nolan | Son | — | 10 | ~1930 |
| Richard Nolan | Son | — | 5 | ~1935 |
| Horace Nolan | Son | — | 17 | ~1923 |
| Gertrude Nolan | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Montgomery, Pennsylvania
Son, age 5
Montgomery, Pennsylvania · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Son, age 14
Montgomery-County, Pennsylvania · implied b. ~1926 — 11 household members
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hatfield Borough |
| 1935 Residence (County) | Montgomery |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 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 William Nolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Nolan
Son · 1940 · age 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Edwin Nolan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Nolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Nolan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Nolan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Nolan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Nolan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horace Nolan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Nolan
Sibling · 1940 · age 12
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03578-00783)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edwin J. Nolan | 48 | Head | Machinist Helper | Pennsylvania |
| 2 | Elizabeth G. Nolan | 45 | Wife | — | Pennsylvania |
| 3 | Edwin J. Jr. Nolan | 21 | Son | Pharmacist | Pennsylvania |
| 4 | Gertrude Nolan | 19 | Daughter | Laborer | Pennsylvania |
| 5 | Horace B. Nolan | 17 | Son | Florist | Pennsylvania |
| 6 | John Nolan | 16 | Son | — | Pennsylvania |
| 7 | William Nolan THIS PERSON | 14 | Son | — | Pennsylvania |
| 8 | Florence Nolan | 12 | Daughter | — | Pennsylvania |
| 9 | Thomas Nolan | 10 | Son | — | Pennsylvania |
| 10 | Richard Nolan | 5 | Son | — | Pennsylvania |
| 11 | Robert Nolan | 4 | Son | — | Pennsylvania |
| 12 | Harry J. Secrist | 47 | Head | Loom Fixing | Pennsylvania |
| 13 | Mabel L. Secrist | 46 | Wife | — | England |
| 14 | Harry C. Secrist | 23 | Son | Weaver | Pennsylvania |
| 15 | Isabel M. Secrist | 22 | Daughter | Examiner | Pennsylvania |
| 16 | Bernice E. Secrist | 17 | Daughter | — | Pennsylvania |
| 17 | Milton G. Moser | 56 | Head | — | Pennsylvania |
| 18 | Maggie L. Moser | 57 | Wife | — | Pennsylvania |
| 19 | Milton M. Moser | 23 | Son | Border | Pennsylvania |
| 20 | Wilbur E. Smith | 34 | Head | Clerk | Pennsylvania |
| 21 | Martha S. Smith | 34 | Wife | — | Pennsylvania |
| 22 | Robert H. Smith | 9 | Son | — | Pennsylvania |
| 23 | Thelma L. Smith | 6 | Daughter | — | Pennsylvania |
| 24 | Bernard W. Haines | 45 | Head | Laborer | Virginia |
| 25 | Mary L. Haines | 44 | Wife | — | Pennsylvania |
| 26 | Marguerite L. Haines | 16 | Daughter | — | Pennsylvania |
| 27 | Bernard W. Jr. Haines | 14 | Son | — | Pennsylvania |
| 28 | John W. Haines | 11 | Son | — | Pennsylvania |
| 29 | Elizabeth S. Haines | 5 | Daughter | — | Pennsylvania |
| 30 | Clara E. Haines | 3 | Daughter | — | Pennsylvania |
| 31 | Catharine E. Haines | 86 | Mother | — | Virginia |
| 32 | Laden L. Bergey | 34 | Head | Cementer | Pennsylvania |
| 33 | Sadie L. Bergey | 31 | Wife | Laborer | Pennsylvania |
| 34 | Virginia D. Bergey | 15 | Daughter | — | Pennsylvania |
| 35 | Robert S. Bergey | 10 | Son | — | Pennsylvania |
| 36 | Gloria F. Bergey | 9 | Daughter | — | Pennsylvania |
| 37 | Wesley Wilson | 25 | Head | Logger | Pennsylvania |
| 38 | Edith Wilson | 23 | Wife | — | Pennsylvania |
| 39 | Janice M. Wilson | 4 | Daughter | — | Pennsylvania |
| 40 | Judith M. Wilson | 2 | Daughter | — | Pennsylvania |
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)