WM
William Mann — 1920 US Census Record
Model Tree available1920 United States Federal Census · Washington, Oregon
Our Model Tree links this William Mann across the 1900, 1910 and 1920 US Censuses in Washington, Oregon (XGBoost, ~Confirmed), with identified parents Frank & Grant — first a son (b.~1899), then head of a 9-person household.
Age 21
b. ~1899
Male
Son
Born: Oregon
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, Oregon |
| Surname | Mann |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Additional Details | |
| Occupation | Mail Carrier |
| Industry | Rural route |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Mail Carrier |
| Township / Ward | South Cornelius Precinct |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mann | Daughter | — | 26 | ~1894 |
| Ray Mann | Son | — | 18 | ~1902 |
| Loyde Mann | Son | — | 13 | ~1907 |
| Grant Mann | Son | — | 7 | ~1913 |
| William Mann | Son | — | 21 | ~1899 |
| Mattie Mann | Daughter | — | 10 | ~1910 |
| Joseph Mann | Son | — | 23 | ~1897 |
| Grant Mann | Head | — | 54 | ~1866 |
| Martha Mann | Spouse | — | 53 | ~1867 |
Census Appearances
1900
Washington, Oregon
Son, age 2
Washington, Oregon · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oregon |
| Birth Month | Apr |
| Birth Year | 1898 |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1910
Washington, Oregon
Son, age 11
Washington, Oregon · implied b. ~1899 — 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 | 11 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1920
Washington, Oregon
Son, age 21
Washington, Oregon · implied b. ~1899 — 9 household members
| Surname | Mann |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Occupation | Mail Carrier |
| Industry | Rural route |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 3 US Census years (1900, 1910 and 1920) in Washington, Oregon, using XGBoost record linkage. Identified parents: father Frank Mann (~0.92 confidence) and father Grant Mann (~0.92 confidence) and father Grant Mann (~0.92 confidence) and mother Martha Mann (~0.92 confidence) and mother Martha Mann (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Mann
b. ~1840
Source father
● Household
· direct · ~0.92
Father
Grant Mann
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Grant Mann
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Martha Mann
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Martha Mann
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mann
Son · 1920 · age 21 · b. ~1899 · Oregon
★ You are viewing this record
Sibling
Joseph Mann
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Mann
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loyde Mann
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Mann
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grant Mann
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mann
Sibling · 1920 · age 26
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
1920 US Federal Census — Washington, Oregon
Open full size
1920 US Federal Census — Washington, Oregon
Page Contents
27 people indexed on this census page (ia:1920:14thcensusofpopu1505unit:1063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Duncalf | 81 | Head | Retired Miner | England |
| 52 | Mary Duncalf | 72 | Wife | None | England |
| 53 | Frank S. Hulsman | 31 | Head | Farmer | Oregon |
| 54 | Bernadine M. Hulsman | 27 | Wife | None | Ohio |
| 55 | Mildred E. Hulsman | 3 | Daughter | None | Oregon |
| 56 | John L. Hulsman | 33 | Head | Farmer | Oregon |
| 57 | Lottie E. Hulsman | 27 | Wife | None | Oregon |
| 58 | William F. Dehorn | 29 | Head | Farmer | Nebraska |
| 59 | Emma Dehorn | 23 | Wife | None | Oregon |
| 60 | Melvin Dehorn | 1 | Son | None | Oregon |
| 61 | William F. Hamelman | 25 | Head | Farmer | Oregon |
| 62 | Gesine A. Hamelman | 28 | Wife | None | Oregon |
| 63 | Edward Hamelman | 18 | Hired man | Laborer | Oklahoma |
| 64 | William F. Wilkins | 41 | Head | Farmer | Germany |
| 65 | Meta Wilkins | 40 | Wife | None | Germany |
| 66 | Theodore M. Wilkins | 16 | Son | None | Oregon |
| 67 | Grant Mann | 54 | Head | Farmer | Oregon |
| 68 | Martha Mann | 53 | Wife | None | Oregon |
| 69 | Joseph Mann | 23 | Son | Laborer | Oregon |
| 70 | Margaret Mann | 26 | Daughter | Student | Oregon |
| 71 | William Mann THIS PERSON | 21 | Son | Mail Carrier | Oregon |
| 72 | Ray Mann | 18 | Son | Confectioner | Oregon |
| 73 | Loyde Mann | 13 | Son | None | Oregon |
| 74 | Mattie Mann | 10 | Daughter | None | Oregon |
| 75 | Grant Jr. Mann | 7 | Son | None | Oregon |
| 76 | Harry D. Bonzo | 43 | Head | Electrical | Kansas |
| 77 | Leona M. Bonzo | 20 | Daughter | None | Kansas |
Pedigree Summary
William + 6 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)