Seaford deanery

The diocese of Rockville Centre has seven deaneries in Nassau County.  The Seaford deanery includes the following parishes, listed in order of foundation:
1912 -- St. Barnabas the Apostle, Bellmore
1926 -- Curé of Ars, Merrick
1928 -- St. William the Abbot, Seaford
1952 -- St. Rose of Lima, Massapequa
1952 -- St. Jane Frances De Chantal, Wantagh
1952 -- Sacred Heart, North Merrick
1954 -- Maria Regina, Seaford
1955 -- Our Lady of Lourdes, Massapequa Park 
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The above eight parishes provide five elementary schools: St. William the Abbot, Maria Regina, Sacred Heart, St. Rose of Lima, and St. Elizabeth Ann Seton.
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Please note that St. James parish, served by the Seaford post office, is within the diocesan deanery of Hicksville.

Five Towns deanery

In the diocese of Rockville Centre, the Five Towns Deanery includes nine parishes, that is, more of southwest Nassau County than the fabled "Five Towns," Hewlett, Woodmere, Cedarhurst, Lawrence, and Inwood. In order of establishment these parishes are:
1872 - St. Joseph, Hewlett.  The April 13, 2011, Long Island Catholic includes an important article, "Five Towns parishes to enter new era for collaboration."  The bishop announced plans for the pastor of St. Joseph parish to become in the future also the administrator of St. Joachim and Our Lady of Good Counsel.  Three parishes will remain, but the priest(s) will live in one.  The article did not tell the number of Catholics enrolled in each parish.  None of the three has a school. 
1894 - St. Joachim, Cedarhurst
1909 - St. Raymond of Penyafort, East Rockaway
1910 - Our Lady of Good Counsel, Inwood.  See also this article in Five Towns Patch about the centennial.  About twenty photos are linked here.
1915 - St. Mary of the Isle, Long Beach
1926 - St. Ignatius Martyr, Long Beach
1927 - St. Anthony, Oceanside
1937 - Our Lady of the Miraculous Medal, Point Lookout
1938 - Sacred Heart, Island Park
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The above nine parishes comprise the Five Towns deanery, which has two Catholic elementary schools.  St. Raymond's has a parish school, and the three parishes of Long Beach and Point Lookout sponsor Long Beach Catholic Regional School at St. Ignatius Martyr.

Hicksville deanery

The Diocese of Rockville Centre has seven deaneries in Nassau County.  The Hicksville deanery includes the following parishes, in order of foundation: 
1850 -- St. Brigid, Westbury
1859 -- St. Ignatius Loyola, Hicksville
1896 -- St. Kilian, Farmingdale
1923 -- St. Martin of Tours, Bethpage
1941 -- St. Raphael, East Meadow
1948 -- St. Bernard, Levittown
1951 -- St. James, Seaford
1951 -- Holy Family, Hicksville
1953 -- Our Lady of Mercy, Hicksville
1987 -- Our Lady of Hope, Carle Place
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The regional Catholic elementary school St. John Baptist de la Salle, located at St. Kilian's parish, is supported by St. Martin, St. James, St. Kilian and St. Pius X parishes.  The regional Catholic elementary school St. Brigid/Our Lady of Hope, Westbury, is supported by those two parishes.  In Hicksville, there are three parish elementary schools: St. Ignatius Loyola, Holy Family, and Our Lady of Mercy.
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St. Aloysius, Great Neck

The patron state of this parish is St. Aloysius Gonzaga, who lived from 1588 to 1591, joining the Society of Jesus at age 17. At age 23, he died in Rome while caring for victims of a plague. A short biography is linked here.

St. Aloysius parish is located at 592 Middle Neck Road, Great Neck NY 11023, telephone 516-482-2770. The parish website is linked here. Note on the website that Mass is offered in Korean, Spanish, and English. Attendance on the recent Sexagesima Sunday was 777.

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According to the website, the present church was designed by Gustave Steinback and dedicated in 1915. Twenty years later, Mr. Steinback designed St. Agnes church, Rockville Centre.

A side altar honors St. Pius X, Giuseppe Sarto, 1935-1914.  Many thanks to a parishioner who identified the saint for me.  He added, "Msgr. Reel used to mention him at First Communions because he was the Pope who moved the age lower to receive First Communion."  

Above, the view east on Breuer Avenue towards Middle Neck Road.

Above is the former elementary school, Clicking on any photo will enlarge it. There are other parish buildings not shown in my photos, due to the angle of the afternoon sun.
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The parish was established in 1876. It is situated about a mile north of the Great Neck LIRR station, which opened in 1866. The parish is also about three miles north of the Long Island Expressway at Lakeville Road, Lake Success.

North Hempstead deanery

The Diocese of Rockville Centre has seven deaneries in Nassau County.  The North Hempstead Deanery includes the following parishes, in order of foundation:
1863 -- St. Mary, Manhassset
1876 -- St. Aloysius, Great Neck.
1893 -- Holy Spirit, New Hyde Park.
1901 -- St. Peter of Alcantara, Port Washington
1901 -- Corpus Christi, Mineola.
1925 -- St. Aidan, Williston Park
1941 -- Notre Dame, New Hyde Park.
1948 -- Our Lady of Fatima, Manorhaven.
The North Hempstead deanery is not coterminous with the Town of North Hempstead.
Four of the eight parishes support a parish elementary school: St. Aidan (at about 600 students, maybe the sixth largest in the diocese), St. Mary, St. Peter of Alcantara, and Notre Dame.  St. Mary's parish, Manhasset, hosts a parish high school.

St. Thomas the Apostle, West Hempstead

On Westminister Road, West Hempstead, just north of Hempstead Turnpike are the buildings of the parish of St. Thomas the Apostle: a large school, an auditorium, the rectory, and a church built in 1963. The parish address is 24 Westminster Road, West Hempstead, NY 11552, telephone 516-489-8585.  The parish website is linked here.   The parish was founded in 1931 and is currently (2011) in the Rockville Centre deanery. 
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The 2.9.2011 edition of The Long Island Catholic includes a well-written and informative article about the parish of St. Thomas the Apostle, West Hempstead.  The article is linked here.  I have no idea how long TLIC maintains articles in available web archives, so please read it now. The article says that the parish has 2,900 registered families.
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I wonder which building is depicted in the scene behind St. Therese.  It does not resemble the basilica at Lisieux.

The parish school is at 12 Westminster Road, telephone 516-481-9310, website here. 

The sign advertises the pre-school program.

An auditorium is to the left (north) of the school.

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A second church, known as the parish chapel, is located about two miles south, at 875 Hempstead Avenue, West Hempstead, at the intersection of Hempstead Avenue and Nassau Boulevard.  This is three blocks north of Exit 17 of the Southern State Parkway.
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St. Thomas Chapel has weekday Mass Monday, Wednesday, and Friday at 9 a.m.  Please see the parish websitefor more schedules.  The St. Thomas Syro-Malabar Catholic Diocese of Chicago, which has 29 parishes in the United States, lists this chapel as a place of worship.  Generally, Syro-Malabar Catholics are from India.

Our Lady of Lourdes, Malverne

Our Lady of Lourdes parish is located at 65 Wright Avenue, Malverne NY 11565, telephone 516-599-1269. The parish website is linked here.

Hempstead Avenue and Malverne's business district is two blocks west (to the left).  Wright Avenue runs from Hempstead Avenue east to Ocean Avenue, and at each end a black-and-white sign points to the parish.
 

 Any photo may be enlarged by clicking on it.

The mailing address of Our Lady of Lourdes School is 76 Park Boulevard, Malverne, NY 11565, telephone 516-599-7328.  The school's website is linked here.  Church, school, and rectory share a square block.  In this photo, the houses are along Park Boulevard. 

In the above view at Wright Avenue and Sheehy Place we see the rectory and the school.  Sheehy Place is closed to traffic during school hours.