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.~1923), then head of a 11-person household.
Age 17
b. ~1923
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Pennsylvania |
| Surname | Mann |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | York |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Wrightsville Boro |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Edna Mann | Daughter | — | 19 | ~1921 |
| X Cancelled | Other | — | — | |
| Doris Mann | Daughter | — | 11 | ~1929 |
| David Mann | Son | — | 14 | ~1926 |
| Marvin Mann | Son | — | 13 | ~1927 |
| Charles Young | Other | — | 45 | ~1895 |
| X Cancelled | Other | — | — | |
| William Mann | Head | — | 45 | ~1895 |
| William Mann | Son | — | 17 | ~1923 |
| Ruby Mann | Daughter | — | 15 | ~1925 |
| Bertha Mann | Spouse | — | 45 | ~1895 |
Census Appearances
1930
York, Pennsylvania
Son, age 7
York, Pennsylvania · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
York-County, Pennsylvania
Son, age 17
York-County, Pennsylvania · implied b. ~1923 — 11 household members
| Surname | Mann |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | York |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 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 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Ruby Mann
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Mann
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Mann
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Mann
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Mann
Sibling · 1940 · age 14
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-t0627-03645-00120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Lou Dellinger | 4 | Granddaughter | — | Pennsylvania |
| 42 | James H. Abel | 33 | Head | Tinner | Pennsylvania |
| 43 | Beulah M. Abel | 34 | Wife | — | Pennsylvania |
| 44 | Diane G. Abel | 5 | Son | — | Pennsylvania |
| 45 | Steve S. Wilson | 47 | Head | Clerk | Pennsylvania |
| 46 | Lillian V. Wilson | 46 | Wife | — | Pennsylvania |
| 47 | Robert G. Crist | 22 | Stepson | Molder | Pennsylvania |
| 48 | Roy Abel | 51 | Head | Mail Carrier | Pennsylvania |
| 49 | Carl Whiteleather | 39 | Head | Clerk | Pennsylvania |
| 50 | Ruth E. Whiteleather | 32 | Wife | — | Pennsylvania |
| 51 | Carl Jr. Whiteleather | 14 | Son | — | Pennsylvania |
| 52 | Gordon E. Whiteleather | 11 | Son | — | Pennsylvania |
| 53 | Joyce E. Whiteleather | 5 | Daughter | — | Pennsylvania |
| 54 | William H. Mann | 45 | Head | Molder | Pennsylvania |
| 55 | Bertha Mann | 45 | Wife | — | Pennsylvania |
| 56 | Edna E. Mann | 19 | Daughter | Redrawer | Pennsylvania |
| 57 | William Jr. Mann THIS PERSON | 17 | Son | New Worker | Pennsylvania |
| 58 | Ruby G. Mann | 15 | Daughter | — | Pennsylvania |
| 59 | David H. Mann | 14 | Son | — | Pennsylvania |
| 60 | Marvin H. Mann | 13 | Son | — | Pennsylvania |
| 61 | Doris H. Mann | 11 | Daughter | — | Pennsylvania |
| 62 | Charles E. Young | 45 | Lodger | Molder | Pennsylvania |
| 63 | X Cancelled | None | X | X | X |
| 64 | X Cancelled | None | X | X | X |
| 65 | Jennie A. Hilt | 52 | Head | — | Pennsylvania |
| 66 | Gerald Hilt | 20 | Son | Weaver | Pennsylvania |
| 67 | Sarah F. Baker | 26 | Daughter | — | Pennsylvania |
| 68 | George H. Baker | 43 | Son-in-law | Welder | Pennsylvania |
| 69 | John R. Baker | 5 | Grandson | — | Pennsylvania |
| 70 | Howard J. Stoner | 52 | Head | Molder | Pennsylvania |
| 71 | Nellie M. Stoner | 42 | Wife | — | Pennsylvania |
| 72 | Anna Mary Stoner | 18 | Daughter | Knitter | Pennsylvania |
| 73 | Jane E. Stoner | 17 | Daughter | Redrawer | Pennsylvania |
| 74 | William E. Stoner | 16 | Son | New Worker | Pennsylvania |
| 75 | Ethel M. Stoner | 12 | Daughter | — | Pennsylvania |
| 76 | Sidney L. Stoner | 4 | Son | — | Pennsylvania |
| 77 | Winfield S. Welsh | 67 | Head | Watchman | Pennsylvania |
| 78 | Ida M. Welsh | 67 | Wife | — | Pennsylvania |
| 79 | Melvin S. Welsh | 23 | Son | Laborer | Pennsylvania |
| 80 | Barbara E. Welsh | 22 | Daughter | Quiller | 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)