KS
Katherine Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allamakee, Iowa
Our Model Tree links this Katherine Sullivan across the 1930 and 1940 US Censuses in Allamakee, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 10-person household.
Age 44
b. ~1886
Female
Spouse
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allamakee, Iowa |
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Lafayette Township |
| Est. Birth Year | ~1886 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Sullivan | Daughter | — | 16 | ~1914 |
| Rita Sullivan | Daughter | — | 5 | ~1925 |
| Joseph Sullivan | Son | — | 14 | ~1916 |
| Katherine Sullivan | Spouse | — | 44 | ~1886 |
| Margie Sullivan | Daughter | — | 2 | ~1928 |
| Mary Sullivan | Daughter | — | 12 | ~1918 |
| Earl Sullivan | Son | — | 10 | ~1920 |
| Joe Sullivan | Head | — | 48 | ~1882 |
| Leo Sullivan | Son | — | 8 | ~1922 |
| Anna Sullivan | Daughter | — | 17 | ~1913 |
Census Appearances
1930
Allamakee, Iowa
Spouse, age 44
Allamakee, Iowa · implied b. ~1886 — 10 household members
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Allamakee-County, Iowa
Spouse, age 53
Allamakee-County, Iowa · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Kathryn |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allamakee |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Katherine Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Katherine Sullivan
Spouse · 1930 · age 44 · b. ~1886 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Allamakee, Iowa
Open full size
1930 US Federal Census — Allamakee, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel640:0894)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph F. Manning | 39 | Head | Farmer | Iowa |
| 2 | Lottie M. Manning | 32 | Wife | — | Iowa |
| 3 | Emil J. Steiber | 48 | Boarder | Laborer | Iowa |
| 4 | Willis H. Jones | 68 | Head | Farmer | Iowa |
| 5 | Cassie E. Jones | 58 | Brother | Laborer | Iowa |
| 6 | Eugene Brennan | 36 | Head | Farmer | Iowa |
| 7 | Dorothy Brennan | 24 | Wife | — | Iowa |
| 8 | Marguerite M. Brennan | 2 | Daughter | — | Iowa |
| 9 | Stephen Thornton | 58 | Boarder | Laborer | Iowa |
| 10 | Thomas F. Crowe | 61 | Head | Farmer | Iowa |
| 11 | Mary M. Crowe | 58 | Wife | — | Iowa |
| 12 | Raymond P. Crowe | 20 | Son | Laborer | Iowa |
| 13 | Roy J. Crowe | 20 | Son | Laborer | Iowa |
| 14 | Martin J. Thornton | 56 | Head | Farmer | Iowa |
| 15 | John Thornton | 49 | Brother | Laborer | Iowa |
| 16 | Beatrice Connelly | 45 | Sister | — | Iowa |
| 17 | Michael J. Guider | 61 | Head | Farmer | Iowa |
| 18 | Katherine T. Guider | 54 | Wife | — | Iowa |
| 19 | Myron J. Guider | 22 | Son | Laborer | Iowa |
| 20 | Herbert J. Guider | 17 | Son | Laborer | Iowa |
| 21 | Joseph C. Guider | 12 | Son | — | Iowa |
| 22 | Jesse M. Mohn | 40 | Head | Farmer | Indiana |
| 23 | Lillian J. Mohn | 34 | Wife | — | Iowa |
| 24 | Marie F. Mohn | 15 | Daughter | — | Iowa |
| 25 | Douglas D. Mohn | 13 | Son | — | Iowa |
| 26 | Job R. Mohn | 11 | Son | — | Iowa |
| 27 | Thomas E. Mohn | 9 | Son | — | Iowa |
| 28 | George L. Mohn | 6 | Son | — | Iowa |
| 29 | Ariel Marie Mohn | 4 | Daughter | — | Iowa |
| 30 | John W. Luth | 40 | Head | Fisherman | Iowa |
| 31 | Joe M. Sullivan | 48 | Head | Farmer | Iowa |
| 32 | Katherine Sullivan THIS PERSON | 44 | Wife | — | Iowa |
| 33 | Anna L. Sullivan | 17 | Daughter | — | Iowa |
| 34 | Katherine C. Sullivan | 16 | Daughter | — | Iowa |
| 35 | Joseph R. Sullivan | 14 | Son | — | Iowa |
| 36 | Mary Sullivan | 12 | Daughter | — | Iowa |
| 37 | Earl J. Sullivan | 10 | Son | — | Iowa |
| 38 | Leo J. Sullivan | 8 | Son | — | Iowa |
| 39 | Rita M. Sullivan | 5 | Daughter | — | Iowa |
| 40 | Margie R. Sullivan | 2 | Daughter | — | Iowa |
| 41 | Henry M. Wagner | 37 | Head | Farmer | Iowa |
| 42 | Mary Wagner | 35 | Wife | — | Iowa |
| 43 | Mark J. Wagner | 10 | Son | — | Iowa |
| 44 | Rose M. Wagner | 7 | Daughter | — | Iowa |
| 45 | Francis H. Wagner | 6 | Son | — | Iowa |
| 46 | Marcella M. Wagner | 1 | Daughter | — | Iowa |
| 47 | Catherine Donahue | 70 | Mother-in-law | — | Kentucky |
| 48 | John M. Manning | 31 | Head | Farmer | Iowa |
| 49 | Ellen M. Manning | 33 | Wife | — | Iowa |
| 50 | Cyril H. Manning | 8 | Son | — | Iowa |
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)