WM
William Mclean — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Montgomery, Illinois
Our Model Tree links this William Mclean across the 1910 and 1920 US Censuses in Montgomery, Illinois (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 8-person household.
Age 13
b. ~1907
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Illinois |
| Surname | McLean |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Pitman Twp |
| Est. Birth Year | ~1907 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Eileen Mclean | Daughter | — | 4 | ~1916 |
| Mary Mclean | Daughter | — | 6 | ~1914 |
| Dorothy Mclean | Daughter | — | 3 | ~1917 |
| Martin Mclean | Head | — | 37 | ~1883 |
| Joseph Mclean | Son | — | 2 | ~1918 |
| Aloysius Mclean | Son | — | ~1920 | |
| William Mclean | Son | — | 13 | ~1907 |
| Bridget Mclean | Spouse | — | 38 | ~1882 |
Census Appearances
1910
Montgomery, Illinois
Son, age 3
Montgomery, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Montgomery, Illinois
Son, age 13
Montgomery, Illinois · implied b. ~1907 — 8 household members
| Surname | McLean |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Mclean across 2 US Census years (1910 and 1920) in Montgomery, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
William Mclean
Son · 1920 · age 13 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
Dorothy Mclean
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Mclean
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mclean
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aloysius Mclean
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mclean
Sibling · 1920 · age 2
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, Illinois
Open full size
1920 US Federal Census — Montgomery, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu394unit:0724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Leona Fuchs | 1 | Daughter | — | Illinois |
| 52 | Pauline Fuchs | 0 | Daughter | — | Illinois |
| 53 | Edward Beeler | 43 | Head | Farmer | Illinois |
| 54 | Alice Beeler | 43 | Wife | — | Illinois |
| 55 | Garnet A. Beeler | 14 | Daughter | Farmer | Illinois |
| 56 | Herman R. Fuchs | 34 | Head | — | Illinois |
| 57 | Minnie A. Fuchs | 29 | Wife | — | Illinois |
| 58 | Alfred L. Fuchs | 1 | Son | Farmer | Illinois |
| 59 | Louis C. Nobbe | 22 | Head | — | Illinois |
| 60 | Adelia A. Nobbe | 23 | Wife | — | Illinois |
| 61 | William J. Nobbe | 0 | Son | — | Illinois |
| 62 | William H. Nobbe | 56 | Head | — | Illinois |
| 63 | Lena Nobbe | 49 | Wife | — | Illinois |
| 64 | Linda Nobbe | 18 | Daughter | — | Illinois |
| 65 | Charles H. Pearman | 63 | Head | Farmer | Kentucky |
| 66 | Emma Pearman | 55 | Wife | — | Illinois |
| 67 | William E. Pearman | 25 | Son | Farm Laborer | Illinois |
| 68 | Ernest H. Niemeyer | 42 | Head | Farmer | Illinois |
| 69 | Lizzie Niemeyer | 39 | Wife | — | Illinois |
| 70 | Clarence Niemeyer | 11 | Son | — | Illinois |
| 71 | Franklin Niemeyer | 9 | Son | — | Illinois |
| 72 | Raymond Niemeyer | 7 | Son | — | Illinois |
| 73 | Arthur Niemeyer | 5 | Son | — | Illinois |
| 74 | Ester Niemeyer | 3 | Daughter | — | Illinois |
| 75 | Henry Sr. Marten | 78 | Head | Farmer | Germany |
| 76 | Henry Jr. Marten | 45 | Son | Farmer | Illinois |
| 77 | Lena Marten | 42 | Daughter | — | Illinois |
| 78 | Martha Marten | 38 | Daughter | — | Illinois |
| 79 | Martin F. Mclean | 37 | Head | Farmer | Illinois |
| 80 | Bridget E. Mclean | 38 | Wife | — | Illinois |
| 81 | William J. Mclean THIS PERSON | 13 | Son | — | Illinois |
| 82 | Mary M. Mclean | 6 | Daughter | — | Illinois |
| 83 | Eileen L. Mclean | 4 | Daughter | — | Illinois |
| 84 | Dorothy A. Mclean | 3 | Daughter | — | Illinois |
| 85 | Joseph Mclean | 2 | Son | — | Illinois |
| 86 | Aloysius Mclean | 0 | Son | — | Illinois |
| 87 | Edward Stevens | 36 | Head | Farmer | Illinois |
| 88 | Ada B. Stevens | 37 | Wife | — | Illinois |
| 89 | Irene Stevens | 14 | Daughter | — | Illinois |
| 90 | John R. Stevens | 11 | Son | — | Illinois |
| 91 | Helen Stevens | 8 | Daughter | — | Illinois |
| 92 | Francis Stevens | 7 | Daughter | — | Illinois |
| 93 | Mone Manning | 47 | Head | Farmer | Kentucky |
| 94 | Flora Manning | 38 | Wife | — | Kentucky |
| 95 | Chandler Manning | 16 | Son | — | Kentucky |
| 96 | Wilburn Manning | 14 | Son | — | Kentucky |
| 97 | Martha Manning | 12 | Daughter | — | Illinois |
| 98 | Herman Manning | 10 | Son | — | Illinois |
| 99 | Woodrow W. Manning | 1 | Son | — | Illinois |
| 100 | Franklin Marten | 33 | Head | Farmer | Illinois |
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)