WM
William Mann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · York-County, Pennsylvania
Our Model Tree links this William Mann across the 1930 and 1940 US Censuses in York-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Pennsylvania |
| Surname | Mann |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | York City |
| 1935 Residence (County) | York |
| Additional Details | |
| Highest Grade | S-5 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | York City |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mann | Daughter | — | 16 | ~1924 |
| Emery Jacoby | Other | — | 62 | ~1878 |
| Catherine Mann | Spouse | — | 38 | ~1902 |
| William Mann | Son | — | 13 | ~1927 |
| Norman Mann | Son | — | 20 | ~1920 |
| Mabel Mann | Daughter | — | 16 | ~1924 |
| Benjamin Mann | Head | — | 43 | ~1897 |
| George Mann | Son | — | 18 | ~1922 |
| Edward Mann | Son | — | 12 | ~1928 |
Census Appearances
1930
York, Pennsylvania
Son, age 3
York, Pennsylvania · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | William |
| 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 |
1940
York-County, Pennsylvania
Son, age 13
York-County, Pennsylvania · implied b. ~1927 — 9 household members
| Surname | Mann |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | York City |
| 1935 Residence (County) | York |
| Highest Grade | S-5 |
| 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 Mann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mann
Son · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Norman Mann
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Mann
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mann
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mann
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mann
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 — York-County, Pennsylvania
Open full size
1940 US Federal Census — York-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03645-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Janet Stauffer | 13 | daughter | — | Pennsylvania |
| 2 | Lois Stauffer | 12 | daughter | — | Pennsylvania |
| 3 | Lynn Stauffer | 9 | son | — | Pennsylvania |
| 4 | Clair Stauffer | 7 | son | — | Pennsylvania |
| 5 | Edward Stauffer | 4 | son | — | Pennsylvania |
| 6 | Wilbur Myers | 27 | Head | Laborer | Pennsylvania |
| 7 | Evelyn Myers | 19 | Wife | — | Pennsylvania |
| 8 | Robert Myers | 2 | son | — | Pennsylvania |
| 9 | Kenneth Myers | 1 | son | — | Pennsylvania |
| 10 | Cynthia Myers | 0 | daughter | — | Pennsylvania |
| 11 | Earl Miller | 49 | Head | Truck Driver | Pennsylvania |
| 12 | Annie Miller | 52 | Wife | — | Pennsylvania |
| 13 | William Mccleary | 27 | Head | Mechanic | Pennsylvania |
| 14 | Pauline Mccleary | 22 | Wife | — | Pennsylvania |
| 15 | William J. Mccleary | 3 | son | — | Pennsylvania |
| 16 | Doris Mccleary | 1 | daughter | — | Pennsylvania |
| 17 | Peter Russo | 35 | Head | Proprietor Mechanic | Pennsylvania |
| 18 | Mary Russo | 34 | Wife | — | Pennsylvania |
| 19 | Antoinette Russo | 12 | daughter | — | Pennsylvania |
| 20 | Joseph Russo | 8 | son | — | Pennsylvania |
| 21 | Edward Linebaugh | 70 | Head | — | Pennsylvania |
| 22 | Mary Linebaugh | 63 | Wife | Saleswoman | Pennsylvania |
| 23 | Margaret Linebaugh | 18 | daughter | Sewer | Pennsylvania |
| 24 | W. William Smith | 23 | son | Messenger | Pennsylvania |
| 25 | William Koch | 43 | Head | Laborer | Pennsylvania |
| 26 | Emma Koch | 39 | Wife | — | Pennsylvania |
| 27 | William Jr. Koch | 18 | son | — | Pennsylvania |
| 28 | Benjamin F. Mann | 43 | Head | Machine Operator | Pennsylvania |
| 29 | Catherine Mann | 38 | Wife | — | Pennsylvania |
| 30 | Catherine Mann | 16 | daughter | — | Pennsylvania |
| 31 | Mabel Mann | 16 | daughter | — | Pennsylvania |
| 32 | Emery Jacoby | 62 | father-in-law | Operator | Pennsylvania |
| 33 | William Mann THIS PERSON | 13 | son | — | Pennsylvania |
| 34 | George Mann | 18 | son | Laborer | Pennsylvania |
| 35 | Norman W. Mann | 20 | son | Blacksmith | Pennsylvania |
| 36 | Edward Mann | 12 | son | — | Pennsylvania |
| 37 | Presley Mcferren | 54 | Head | Machinist | Pennsylvania |
| 38 | Elsie Mcferren | 42 | Wife | Sewer | Pennsylvania |
| 39 | James M. Topper | 40 | Head | Laborer | Pennsylvania |
| 40 | Anna Topper | 39 | Wife | Laborer | 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)