Marrin Costello emails

shopmarrincostello.com

Marrin Costello sends about 1 email a week through Klaviyo, most often on Tuesday around 4 PM Eastern.

Early figures, based on 16 emails received from Aug 5 to Oct 28, 2026.

Emails a week
about 1
Busiest send time
Tuesdays at 4pm ET
Last sent
5 days ago · Oct 28
Tracked since
Aug 2026
Emails collected
16

Recent subject lines

All subject lines

Subject lines average 30 characters. Each one opens the email it came from.

PictureSent (Eastern)SubjectPreview text
Oct 28, 2026 3:30 AMNew! The Silhouette Collection is hereThe holiday collection has arrived
Oct 23, 2026 10:32 AMIntroducing our best sellersMeet our most adored styles
Oct 20, 2026 4:45 PMJust Launched | Meet ColetteThe perfect balance of polish and edge
Oct 19, 2026 11:05 AMTo our newest #CostelloBabeA note from Marrin
Oct 13, 2026 8:32 PMWe're so happy you're hereEnjoy 15% off your next order
Oct 13, 2026 4:30 PMNew | Meet The Blueprint CollectionWhere structure and intention meet the everyday
Sep 22, 2026 5:03 PMJust Arrived | The Blueprint CollectionWhere structure and intention meet the everyday
Sep 18, 2026 7:15 AMThe Archive Sale is BACKPrices start at $25

All subject lines

September 2026 7 emails

View all

EarlierAugust

When Marrin Costello sends

25% of its emails arrive in the 4 PM hour, with a second, smaller wave around 8 AM. Tuesdays are the busiest day.

Emails by weekday and hour, US Eastern
12a1a2a3a4a5a6a7a8a9a10a11a12p1p2p3p4p5p6p7p8p9p10p11p
Mon000000000001000000000000
Tue000000000000000032001000
Wed000100001000000000000001
Thu000000002000000000000000
Fri000000010110000000000000
Sat000000000000000010000000
Sun000000000000000000000000
Emails by hour and weekday, US Eastern
MonTueWedThuFriSatSun
12a0000000
1a0000000
2a0000000
3a0010000
4a0000000
5a0000000
6a0000000
7a0000100
8a0012000
9a0000100
10a0000100
11a1000000
12p0000000
1p0000000
2p0000000
3p0000000
4p0300010
5p0200000
6p0000000
7p0000000
8p0100000
9p0000000
10p0000000
11p0010000

FewerMore(busiest cell: 3 emails)

Based on 16 emails received from Aug 5 to Oct 28, 2026. Times in US Eastern. How we collect · When all brands send

How often Marrin Costello sends

The two complete months so far had 7 and 6 emails.

  1. August 2026: 3 emails
  2. September 2026: 7 emails
  3. October 2026: 6 emails
  4. November 2026: 0 emails

Based on 16 emails received from Aug 5 to Oct 28, 2026. Times in US Eastern. How we collect

Busiest month
Sep 2026, 7
Quietest month
Oct 2026, 6
Busiest day
Tuesday, 6
Quietest day
Sunday, 0

About Marrin Costello

ESP
Klaviyo
Tracked since
Aug 2026
Emails collected
16
Emails a week
about 1
Last sent
Oct 28, 2026
Sends from
mc@marrincostello.com
Subject length
30 characters avg

Counts include automated emails such as a welcome series.

Similar sending frequency

Latest emailBrandESPWebsite popularityEmails a weekBusiest dayLast sent
% Arabicaarabicacoffeeus.comKlaviyoabout 1FridayOct 23, 2026Klaviyo · about 1 a week · busiest Friday · last sent Oct 23, 2026
400 Conejos400conejos.comKlaviyoabout 1WednesdayOct 30, 2026Klaviyo · about 1 a week · busiest Wednesday · last sent Oct 30, 2026
1985 Games1985games.comKlaviyoabout 1SaturdayOct 28, 2026Klaviyo · about 1 a week · busiest Saturday · last sent Oct 28, 2026
Report an errorLast updated Nov 2, 2026

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