I was able to find some of the records in the indexes so I know the exact dates.

Certificates for the Land Family in Smithtown

Marriages:

Norman H Land January 4, 1921, Smithtown Cert # 2623

Ruth A Land April 25, 1917 Hauppague #14650

Clarence Land May 26, 1906, Islip, #8821

I could not find the following records in the New York State indexes and do not know where the marriage occurred:

1. Edith Adelaide Land to Edward Moseley 1903 or later, but no later than 1910.
2. Ethel (Dot) Land to Frank Courier, 1908 or later, but no later than 1911.
3. Mary Edna Land to Peter Wiedenkeller, 1912 or later, but no later than 1920.
4. Joseph Land to Mary (Unknown), 1916 or later, but no later than 1920

Births:

Clarence Land, May 22, 1910, Smithtown # 26489

F Moseley, May 1, 1910, Smithtown #22608

Donald Land, January 16, 1912, Smithtown #3076

Norma V Land, July 30, 1915, Smithtown #60686

Grace Courier, February 10, 1911, Hauppague #7268

Douglas November 4, 1913 Hauppague #69785 0r 69765. Second to last number hard to read.