FamilySearch.org now has the New York State Censuses for 1915 and 1925 available. The 1905 state census was previously available. Although New York held state censuses for earlier years, they are not available for Westchester county. 1925 state census https://familysearch.org/search/collection/show#uri=http://familysearch.org/searchapi/search/collection/1937489 1915 state census https://familysearch.org/search/collection/show#uri=http://familysearch.org/searchapi/search/collection/1937454 1905 state census https://familysearch.org/search/collection/show#uri=http://familysearch.org/searchapi/search/collection/1463113