WM
William Mullen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this William Mullen across the 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1902), then head of a 6-person household.
Age 18
b. ~1902
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | Mullen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | King Of Prussia Port Kennedy |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Elizabeth Mullen | Daughter | — | 14 | ~1906 |
| William Mullen | Head | — | 48 | ~1872 |
| William Mullen | Son | — | 18 | ~1902 |
| Mildred Mullen | Daughter | — | 7 | ~1913 |
| Mary Mullen | Spouse | — | 44 | ~1876 |
| Dorothy Mullen | Daughter | — | 10 | ~1910 |
Census Appearances
1910
Montgomery, Pennsylvania
Son, age 9
Montgomery, Pennsylvania · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Son, age 18
Montgomery, Pennsylvania · implied b. ~1902 — 6 household members
| Surname | Mullen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | General Farm |
| 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 Mullen across 2 US Census years (1910 and 1920) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Mullen
Son · 1920 · age 18 · b. ~1902 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Mullen
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mullen
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mullen
Sibling · 1920 · age 7
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 — Montgomery, Pennsylvania
Open full size
1920 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1606unit:0656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Brommley | 6 | Son | — | Pennsylvania |
| 52 | Edith Brommley | 3 | Daughter | — | Pennsylvania |
| 53 | Ethel Brommley | 2 | Daughter | — | Pennsylvania |
| 54 | William Mullen | 48 | Head | Farmer | Pennsylvania |
| 55 | Mary Mullen | 44 | Wife | — | Pennsylvania |
| 56 | William Mullen THIS PERSON | 18 | Son | Laborer | Pennsylvania |
| 57 | Elizabeth Mullen | 14 | Daughter | — | Pennsylvania |
| 58 | Dorothy Mullen | 10 | Daughter | — | Pennsylvania |
| 59 | Mildred Mullen | 7 | Daughter | — | Pennsylvania |
| 60 | William Meade | 49 | Head | Laborer | Maryland |
| 61 | Mamie Meade | 20 | Daughter | — | Maryland |
| 62 | Fred Fisher | 28 | Head | Farmer | New Jersey |
| 63 | Florence Fisher | 27 | Wife | — | Pennsylvania |
| 64 | Fred Fisher | 8 | Son | — | Pennsylvania |
| 65 | William Fisher | 7 | Son | — | Pennsylvania |
| 66 | Elmer Fisher | 3 | Son | — | Pennsylvania |
| 67 | Edna Fisher | 1 | Daughter | — | Pennsylvania |
| 68 | Howard Fisher | 0 | Son | — | Pennsylvania |
| 69 | John Anderson | 61 | Head | Farmer | Pennsylvania |
| 70 | Eliza Anderson | 61 | Wife | — | Pennsylvania |
| 71 | Mary Anderson | 31 | Daughter | Bookkeeper | Pennsylvania |
| 72 | Martha Anderson | 23 | Daughter | Teacher | Pennsylvania |
| 73 | Alberta Anderson | 22 | Daughter | Teacher | Pennsylvania |
| 74 | Frank Anderson | 21 | Son | Laborer | Pennsylvania |
| 75 | John Anderson | 18 | Son | — | Pennsylvania |
| 76 | Robert Tingler | 8 | Boarder | — | Pennsylvania |
| 77 | Daniel Daltin | 23 | Head | Laborer | South Carolina |
| 78 | Mary Daltin | 21 | Wife | — | Maryland |
| 79 | John M Peard | 31 | Head | Farmer | Maryland |
| 80 | Lillian M Peard | 23 | Wife | — | Pennsylvania |
| 81 | Russell Peard | 4 | Son | — | Pennsylvania |
| 82 | Dorothy Peard | 2 | Daughter | — | Pennsylvania |
| 83 | Pearl Peard | 0 | Daughter | — | Pennsylvania |
| 84 | Elma Graham | 17 | Boarder | Servant | Pennsylvania |
| 85 | David Groover | 42 | Head | Laborer | Pennsylvania |
| 86 | Mary Groover | 37 | Wife | — | Pennsylvania |
| 87 | John Mccracken | 30 | Head | Manager | Maryland |
| 88 | Ethel Mccracken | 28 | Wife | — | New Jersey |
| 89 | Robert Mccracken | 2 | Son | — | Maryland |
| 90 | Roland Haines | 17 | Boarder | Laborer | Maryland |
| 91 | Grover Johnson | 35 | Head | Laborer | Pennsylvania |
| 92 | Grace Johnson | 32 | Wife | — | Pennsylvania |
| 93 | Mildred Johnson | 8 | Daughter | — | Pennsylvania |
| 94 | Russell Johnson | 6 | Son | — | Pennsylvania |
| 95 | Gladys Johnson | 4 | Daughter | — | Pennsylvania |
| 96 | Mabel Johnson | 1 | Daughter | — | Pennsylvania |
| 97 | Mary Sederis | 46 | Head | Interviewer | Pennsylvania |
| 98 | Anna Sederis | 42 | Daughter | — | Pennsylvania |
| 99 | Clarence Andrew | 22 | Nephew | Bookkeeper | Pennsylvania |
| 100 | Philip Anderson | 42 | Head | Doctor | 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)