1779 - 1880
1819
The missionary sewing circle, established in 1815 by Sunday School teachers Mary Monroe and Hannah Tenney, becomes the Ladies' Missionary Society.
1829
The congregation is split between the ruling Parish (Unitarian) and a majority of the members and their Pastor (Congregational).
1831
The Fifth Meeting House, the Shepard Memorial Church, is built at Mount Auburn and Holyoke Streets. The congregation outgrew the building by 1872.

1872
The Sixth Meeting House (present sanctuary) is built at Garden and Mason Streets, by the Washington Elm. The Kentucky yellowwood trees are planted by Asa Gray in 1873.
1873
Shem Drowne's weathervane is purchased; Benjamin F. Wyeth, church sexton for 39 years, is shown with it at the front door to the sanctuary.

1877
$75,000 in cash and pledges is raised in one day, Sunday, December 9, and the balance within the week to settle the church's outstanding debt.
1880-1920
Most of the stained glass is designed and put in place over this 40-year period, including eight Tiffany windows.

