Ellen Gillegan lived in enumeration district 1280 which belongs to the Manhattan tract 172, in a rented home.

This tract has a total population of 15695, which is an increase of 346 since 1910. There are 1385 whites who are 3rd (or higher) generation immigrants, which is about 9% of the total. There are 30 black residents in this tract, which is less than 1% of the total population. The largest white ethnic group in this tract is Russian . They have a population of 5221, which comprises about 33% of the total tract population. About 57% of the Russian residents are 1st generation. Italians are the second largest with 2965 ( 19% ), and Irish are the third with 2133 ( 14% ). The first generation immigrants make up about 53% and 37% of these groups, respectively. There are 365.0 persons per acre in this tract, which is an increase of 8.0 since 1910. About 2% of families own their homes.