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Mary Morrison — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Boulder, Colorado
Our Model Tree links this Mary Morrison across the 1920 and 1930 US Censuses in Boulder, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 13
b. ~1917
Female
Daughter
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boulder, Colorado |
| Surname | Morrison |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Superior Town |
| Est. Birth Year | ~1917 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edna Morrison | Daughter | — | 24 | ~1906 |
| Ethel Morrison | Daughter | — | 9 | ~1921 |
| Mary Morrison | Daughter | — | 13 | ~1917 |
| William Morrison | Head | — | 43 | ~1887 |
| Arvil Morrison | Son | — | 19 | ~1911 |
| Herbert Morrison | Son | — | 2 | ~1928 |
| John Morrison | Son | — | 23 | ~1907 |
| Robert Morrison | Son | — | 5 | ~1925 |
| William Morrison | Son | — | 15 | ~1915 |
| Elizabeth Morrison | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Boulder, Colorado
Daughter, age 2
Boulder, Colorado · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrison |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Boulder, Colorado
Daughter, age 13
Boulder, Colorado · implied b. ~1917 — 10 household members
| Surname | Morrison |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Mary Morrison across 2 US Census years (1920 and 1930) in Boulder, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Morrison
Daughter · 1930 · age 13 · b. ~1917 · Colorado
★ You are viewing this record
Sibling
John Morrison
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arvil Morrison
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Morrison
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Morrison
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Morrison
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Morrison
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Morrison
Sibling · 1930 · age 24
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
1930 US Federal Census — Boulder, Colorado
Open full size
1930 US Federal Census — Boulder, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus230unit:1013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward Szymanski | 17 | Son | — | Colorado |
| 52 | Leo F. Szymanski | 16 | Son | — | Colorado |
| 53 | John Szymanski | 13 | Son | — | Colorado |
| 54 | Benedict Szymanski | 11 | Son | — | Colorado |
| 55 | Harry Szymanski | 10 | Son | — | Colorado |
| 56 | Theodore Szymanski | 6 | Son | — | Colorado |
| 57 | David W. Dillon | 52 | Head | Miner | Iowa |
| 58 | Maria J. Dillon | 56 | Wife | — | Kentucky |
| 59 | John Barfulon | 55 | Head | Miner | Poland |
| 60 | Mary Barfulon | 52 | Wife | — | Austria |
| 61 | Stanley Barfulon | 10 | Son | — | Colorado |
| 62 | Frank Stanley Barfulon | 9 | Son | — | Kansas |
| 63 | Frank Deborski | 70 | Head | — | Poland |
| 64 | Catherine Deborski | 70 | Wife | — | Poland |
| 65 | Wanda R. Deborski | 20 | Daughter | — | Colorado |
| 66 | Dominic Bruno | 47 | Head | — | Italy |
| 67 | Mike Bruno | 27 | Son | Miner | New York |
| 68 | Rosa Bruno | 21 | Daughter | — | Colorado |
| 69 | Anton Bruno | 18 | Son | Miner | Colorado |
| 70 | Josephine Bruno | 16 | Daughter | — | Colorado |
| 71 | Florina M. Bruno | 14 | Daughter | — | Colorado |
| 72 | Mary E. Bruno | 12 | Daughter | — | Colorado |
| 73 | Katherine Bruno | 10 | Daughter | — | Colorado |
| 74 | William J. Morrison | 43 | Head | Miner | Virginia |
| 75 | Elizabeth Morrison | 40 | Wife | — | Ohio |
| 76 | Edna F. Morrison | 24 | Daughter | — | Ohio |
| 77 | John R. Morrison | 23 | Son | Miner | Ohio |
| 78 | Arvil D. Morrison | 19 | Son | Miner | Colorado |
| 79 | William H. Morrison | 15 | Son | — | Colorado |
| 80 | Mary Lee Morrison THIS PERSON | 13 | Daughter | — | Colorado |
| 81 | Ethel M. Morrison | 9 | Daughter | — | Colorado |
| 82 | Robert Morrison | 5 | Son | — | Colorado |
| 83 | Herbert L. Morrison | 2 | Son | — | Colorado |
| 84 | Mary Francia | 50 | Head | — | Italy |
| 85 | Daniel Francia | 29 | Son | Miner | Colorado |
| 86 | Annie M. Francia | 27 | Daughter | — | Colorado |
| 87 | Nicholas Francia | 25 | Son | Miner | Colorado |
| 88 | Lena L. Francia | 22 | Daughter | — | Colorado |
| 89 | Ethel L. Francia | 20 | Son | — | Colorado |
| 90 | Michael E. Francia | 18 | Son | — | Colorado |
| 91 | Anthony L. Francia | 12 | Son | — | Colorado |
| 92 | Antonio Jurado | 56 | Head | Miner | Texas |
| 93 | Petra G. Jurado | 28 | Wife | — | Mexico |
| 94 | Carmen Jurado | 7 | Daughter | — | Colorado |
| 95 | Antonio Jurado | 6 | Son | — | Colorado |
| 96 | Adonis Jurado | 4 | Son | — | Colorado |
| 97 | Manuel Jurado | 2 | Son | — | Colorado |
| 98 | William Cullen | 75 | Head | Proprietor | Scotland |
| 99 | James Mclaughlin | 78 | H. Brother | Miner | Scotland |
| 100 | Thomas P. Kerr | 57 | Head | Miner | Scotland |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)