Extract from the 1930 census of Manhattan, New York. The pertinent information beings on line 37.
The census indicates that Mary Keny, age 35, was the head of a household that included (i) her daughter Margaret, age 5, (ii) her son Terrance, age 2, (iii) her nephew Patrick Torpey, age 23, (iv) her brother-in-law John Keny and (v) a number of lodgers. Among the lodgers were Joseph Duffy, age 21, and Cathleen Duffy, age 20.

Extract from the 1940 census of Manhattan, New York. The pertinent information begins on line 41.
The census indicates that Mollie Kenny, age 44, was the head of a household that included (i) her daughter Margaret, age 13, (ii) her son Terrance, age 11, and (iii) 14 lodgers.

Extract from the 1950 census of Manhattan, New York. The pertinent information begins on line 15.
The census indicates that Molly Kenny, age 48, was the head of a household that included her daughter Margaret, age 23, and her son Terrance, age 21.