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William Lyon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Pennsylvania
Our Model Tree links this William Lyon across the 1930 and 1940 US Censuses in Warren-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Pennsylvania |
| Surname | Lyon |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Youngsville Borough |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Youngsville 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Lyon | Head | — | 47 | ~1893 |
| Minnie Lyon | Spouse | — | 31 | ~1909 |
| Lloyd Lyon | Son | — | 18 | ~1922 |
| Charles Lyon | Son | — | 16 | ~1924 |
| Alice Lyon | Daughter | — | 5 | ~1935 |
| Cecil Lyon | Son | — | 11 | ~1929 |
| Merle Lyon | Son | — | 12 | ~1928 |
| Josephine Lyon | Daughter | — | 15 | ~1925 |
| William Lyon | Son | — | 14 | ~1926 |
| Allen Lyon | Son | — | 8 | ~1932 |
| John Lyon | Son | — | 3 | ~1937 |
| Gerald Lyon | Son | — | 13 | ~1927 |
Census Appearances
Son, age 4
Warren, Pennsylvania · implied b. ~1926 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Warren-County, Pennsylvania
Son, age 14
Warren-County, Pennsylvania · implied b. ~1926 — 12 household members
| Surname | Lyon |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Youngsville Borough |
| 1935 Residence (County) | Warren |
| Highest Grade | 3 |
| 1935 Residence | Same house |
| 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 Lyon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Lyon
Son · 1940 · age 14 · b. ~1926 · Pennsylvania
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Sibling
Lloyd Lyon
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Lyon
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Lyon
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Lyon
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lyon
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Lyon
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Lyon
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Lyon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Lyon
Sibling · 1940 · age 8
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 — Warren-County, Pennsylvania
Open full size
1940 US Federal Census — Warren-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03619-00532)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James E. Ferrin | 45 | Head | — | Pennsylvania |
| 2 | Winifred R. Ferrin | 13 | Wife | — | Pennsylvania |
| 3 | Arch W. Shattuck | 38 | Head | Machinist | New York |
| 4 | Martha K. Shattuck | 30 | Wife | — | Pennsylvania |
| 5 | Arch Jr. Shattuck | 9 | Son | — | Pennsylvania |
| 6 | Paul E. Shattuck | 6 | Son | — | Pennsylvania |
| 7 | John R. Shattuck | 1 | Son | — | Pennsylvania |
| 8 | Raymond A. Martin | 45 | Head | Heat Treater | Pennsylvania |
| 9 | Ruth M. Martin | 42 | Wife | — | Pennsylvania |
| 10 | Doris E. Martin | 19 | Daughter | — | Pennsylvania |
| 11 | Jean T. Martin | 17 | Daughter | — | Pennsylvania |
| 12 | Jay T. Cooper | 88 | Head | — | Pennsylvania |
| 13 | Mary J. Cooper | 79 | Wife | — | Pennsylvania |
| 14 | Glenn R. Heller | 24 | Head | Heat Treater | Pennsylvania |
| 15 | Ora J. Heller | 22 | Wife | — | Pennsylvania |
| 16 | William H. Heller | 4 | Son | — | Pennsylvania |
| 17 | Denise Heller | 2 | Daughter | — | Pennsylvania |
| 18 | Donald S. Lindgren | 31 | Head | Machinist | Pennsylvania |
| 19 | Dorothy E. Lindgren | 29 | Wife | — | Pennsylvania |
| 20 | James H. Lindgren | 10 | Son | — | Pennsylvania |
| 21 | Margaret A. Lindgren | 6 | Daughter | — | Pennsylvania |
| 22 | Joseph F. Lindgren | 5 | Son | — | Pennsylvania |
| 23 | William A. Lyon | 47 | Head | Carpenter | New York |
| 24 | Minnie M. Lyon | 31 | Wife | — | Pennsylvania |
| 25 | Lloyd L. Lyon | 18 | Son | Carpenter | Pennsylvania |
| 26 | Charles E. Lyon | 16 | Son | Carpenter | Pennsylvania |
| 27 | Josephine V. Lyon | 15 | Daughter | — | Pennsylvania |
| 28 | William Jr. Lyon THIS PERSON | 14 | Son | — | Pennsylvania |
| 29 | Gerald J. Lyon | 13 | Son | — | Pennsylvania |
| 30 | Merle L. Lyon | 12 | Son | — | Pennsylvania |
| 31 | Cecil J. Lyon | 11 | Son | — | Pennsylvania |
| 32 | Allen R. Lyon | 8 | Son | — | Pennsylvania |
| 33 | Alice L. Lyon | 5 | Daughter | — | Pennsylvania |
| 34 | John A. Lyon | 3 | Son | — | Pennsylvania |
| 35 | Ernest C. Rydholm | 38 | Head | Machine Operator | Pennsylvania |
| 36 | Lillian M. Rydholm | 26 | Wife | — | Pennsylvania |
| 37 | Oscar M. Olson | 59 | Father in law | Rubber | Sweden |
| 38 | Robert V. Mckinney | 51 | Head | Mechanic | Pennsylvania |
| 39 | Minnie E. Mckinney | 44 | Wife | — | Pennsylvania |
| 40 | Hulda S. Merrill | 46 | Head | — | Pennsylvania |
Related Census Records
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)