WD
William Dunlap — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Lancaster, Pennsylvania
Our Model Tree links this William Dunlap across the 1910 and 1920 US Censuses in Lancaster, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1901), then head of a 6-person household.
Age 19
b. ~1901
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Lancaster, Pennsylvania |
| Surname | Dunlap |
| Given Name | William J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | clerk |
| Industry | milk company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Lancaster City |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Annie Dunlap | Spouse | — | 41 | ~1879 |
| William Dunlap | Son | — | 19 | ~1901 |
| Edith Dunlap | Daughter | — | 12 | ~1908 |
| Harry Dunlap | Son | — | 9 | ~1911 |
| Margie Dunlap | Daughter | — | 15 | ~1905 |
| William Dunlap | Head | — | 47 | ~1873 |
Census Appearances
1910
Lancaster, Pennsylvania
Son, age 10
Lancaster, Pennsylvania · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lancaster, Pennsylvania
Son, age 19
Lancaster, Pennsylvania · implied b. ~1901 — 6 household members
| Surname | Dunlap |
| Given Name | William J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | clerk |
| Industry | milk company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Dunlap across 2 US Census years (1910 and 1920) in Lancaster, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Dunlap
Son · 1920 · age 19 · b. ~1901 · Pennsylvania
★ You are viewing this record
Sibling
Margie Dunlap
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Dunlap
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Dunlap
Sibling · 1920 · age 9
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 — Lancaster, Pennsylvania
Open full size
1920 US Federal Census — Lancaster, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1583unit:0618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jasper Munnall | 31 | son | None | Pennsylvania |
| 52 | Earl Munnall | 21 | son | Tool Maker | Pennsylvania |
| 53 | James Munnall | 19 | son | None | Pennsylvania |
| 54 | William Dunlap | 47 | Head | Salesman | Pennsylvania |
| 55 | Annie R. Dunlap | 41 | wife | None | Pennsylvania |
| 56 | William J. Dunlap THIS PERSON | 19 | son | Clerk | Pennsylvania |
| 57 | Margie F. Dunlap | 15 | daughter | None | Pennsylvania |
| 58 | Edith M. Dunlap | 12 | daughter | None | Pennsylvania |
| 59 | Harry F. Dunlap | 9 | son | None | Pennsylvania |
| 60 | Harry H. Gregg | 31 | Head | Carpenter | Pennsylvania |
| 61 | Bertha M. Gregg | 27 | wife | None | Pennsylvania |
| 62 | Abram C. Brubaker | 33 | boarder | Color Mixer | Pennsylvania |
| 63 | Fannie Brubaker | 35 | boarder | None | Pennsylvania |
| 64 | Jacob Hinkle | 36 | Head | Motorman | Pennsylvania |
| 65 | Anna Hinkle | 31 | wife | None | Pennsylvania |
| 66 | Jacob J. Hinkle | 3 | son | None | Pennsylvania |
| 67 | Elmer Eshleman | 32 | Head | Motorman | Pennsylvania |
| 68 | Anna Eshleman | 31 | wife | None | Pennsylvania |
| 69 | Lansing Eshleman | 12 | daughter | None | Pennsylvania |
| 70 | Elizabeth Eshleman | 4 | daughter | None | Pennsylvania |
| 71 | William Mcclune | 44 | Head | Pattern Maker | Pennsylvania |
| 72 | Maude Mcclune | 44 | wife | None | Pennsylvania |
| 73 | Roy R. Mcclune | 21 | son | Tin Smith | Pennsylvania |
| 74 | Florence Mcclune | 19 | daughter-in-law | Tester | Pennsylvania |
| 75 | Harry W. Mcclune | 19 | son | Cutter | Pennsylvania |
| 76 | Paul L. Mcclune | 17 | son | Platerer | Pennsylvania |
| 77 | Frank L. Mcclune | 16 | son | Block Cutter | Pennsylvania |
| 78 | Howard E. Mcclune | 14 | son | None | Pennsylvania |
| 79 | Blanche Mcclune | 11 | daughter | None | Pennsylvania |
| 80 | James G. Robbins | 39 | Head | Inventor | Pennsylvania |
| 81 | Margaret C. Robbins | 33 | wife | None | Pennsylvania |
| 82 | Joseph H. Robbins | 71 | Head | None | Pennsylvania |
| 83 | Elizabeth Robbins | 69 | wife | None | Pennsylvania |
| 84 | John A. Dissinger | 61 | Head | Dealer | Pennsylvania |
| 85 | Mary Dissinger | 57 | wife | None | Pennsylvania |
| 86 | Edgar W. Goeb | 24 | step-son | Sorter | Pennsylvania |
| 87 | Mary Goeb | 23 | daughter-in-law | None | Pennsylvania |
| 88 | Joseph Mcfarland | 38 | Head | Conductor | Pennsylvania |
| 89 | Ethel Mcfarland | 34 | wife | None | Maryland |
| 90 | Margaret Mcfarland | 71 | aunt | None | Pennsylvania |
| 91 | Edwin J. Auer | 37 | Head | Contractor-Builder | Pennsylvania |
| 92 | Jennie K. Auer | 37 | wife | None | Pennsylvania |
| 93 | Annie Kehler | 62 | mother-in-law | Dressmaker | Pennsylvania |
| 94 | Willis W. Baldwin | 45 | Head | Conductor | Pennsylvania |
| 95 | Catherine C. Baldwin | 45 | wife | None | Pennsylvania |
| 96 | Robert R. Baldwin | 14 | son | Candy Maker | Pennsylvania |
| 97 | Edna I. Hayes | 26 | daughter | None | Pennsylvania |
| 98 | Eugene W. Hayes | 6 | grandson | None | Pennsylvania |
| 99 | Anna Grater | 27 | boarder | Needle Worker | Germany |
| 100 | Margaret H. Marks | 62 | Head | None | Pennsylvania |
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)