Manhattan: 50th Street (West) - 11th Avenue 548-556 West 50th Street, south side, east of Eleventh Avenue. In the centre is the Roman Catholic Church of St.Cyril. april S1, 1934. P.L. Sperr. I grew up next door to the church at 554 West 50th Street and the church was actually called St. Cyril and St. Methodius.